Category Archives: Metaphysics

Robot Love I: Other Minds

Thanks to improvements in medicine humans are living longer and can be kept alive well past the point at which they would naturally die. On the plus side, longer life is generally (but not always) good. On the downside, this longer lifespan and medical intervention mean that people will often need extensive care in their old age. This care can be a considerable burden on the caregivers. Not surprisingly, there has been an effort to develop a technological solution to this problem, specifically companion robots that serve as caregivers.

While the technology is currently fairly crude, there is clearly great potential here and there are numerous advantages to effective robot caregivers. The most obvious are that robot caregivers do not get tired, do not get depressed, do not get angry, and do not have any other responsibilities. As such, they can be ideal 24/7/365 caregivers. This makes them superior in many ways to human caregivers who get tired, get depressed, get angry and have many other responsibilities.

There are, of course, some concerns about the use of robot caregivers. Some relate to such matters as their safety and effectiveness while others focus on other concerns. In the case of caregiving robots that are intended to provide companionship and not just things like medical and housekeeping services, there are both practical and moral concerns.

In regards to companion robots, there are at least two practical concerns regarding the companion aspect. The first is whether or not a human will accept a robot as a companion. In general, the answer seems to be that most humans will do so.

The second is whether or not the software will be advanced enough to properly read a human’s emotions and behavior in order to generate a proper emotional response. This response might or might not include conversation—after all, many people find non-talking pets to be good companions. While a talking companion would, presumably, need to eventually be able to pass the Turing Test, they would also need to pass an emotion test—that is, read and respond correctly to human emotions. Since humans often botch this, there would be a fairly broad tolerable margin of error here. These practical concerns can be addressed technologically—it is simply a matter of software and hardware. Building a truly effective companion robot might require making them very much like living things—the comfort of companionship might be improved by such things as smell, warmth and texture. That is, to make the companion appeal to all the senses.

While the practical problems can be solved with the right technology, there are some moral concerns with the use of robot caregiver companions. Some relate to people handing off their moral duties to care for their family members, but these are not specific to robots. After all, a person can hand off the duties to another person and this would raise a similar issue.

In regards to those specific to a companion robot, there are moral concerns about the effectiveness of the care—that is, are the robots good enough that trusting the life of an elderly or sick human would be morally responsible? While that question is important, a rather intriguing moral concern is that the robot companions are a deceit.

Roughly put, the idea is that while a companion robot can simulate (fake) human emotions via cleverly written algorithms to respond to what its “emotion recognition software” detects, these response are not genuine. While a robot companion might say the right things at the right times, it does not feel and does not care. It merely engages in mechanical behavior in accord with its software. As such, a companion robot is a deceit and such a deceit seems to be morally wrong.

One obvious response is that people would realize that the robot does not really experience emotions, yet still gain value from its “fake” companionship. To use an analogy, people often find stuffed animals to be emotional reassuring even though they are well aware that the stuffed animal is just fabric stuffed with fluff. What matters, it could be argued, is the psychological effect—if someone feels better with a robotic companion around, then that is morally fine. Another obvious analogy is the placebo effect: medicine need not be real in order to be effective.

It might be objected that there is still an important moral concern here: a robot, however well it fakes being a companion, does not suffice to provide the companionship that a person is morally entitled to. Roughly put, people deserve people, even when a robot would behave in ways indistinguishable from a human.

One way to reply to this is to consider what it is about people that people deserve. One reasonable approach is to build on the idea that people have the capacity to actually feel the emotions that they display and that they actually understand. In philosophical terms, humans have (or are) minds and robots (of the sort that will be possible in the near future) do not have minds. They merely create the illusion of having a mind.

Interestingly enough, philosophers (and psychologists) have long dealt with the problem of other minds. The problem is an epistemic one: how does one know if another being has a mind (thoughts, feelings, beliefs and such)? Some thinkers (which is surely the wrong term given their view) claimed that there is no mind, just observable behavior. Very roughly put, being in pain is not a mental state, but a matter of expressed behavior (pain behavior). While such behaviorism has been largely abandoned, it does survive in a variety of jokes and crude references to showing people some “love behavior.”

The usual “solution” to the problem is to go with the obvious: I think that other people have minds by an argument from analogy. I am aware of my own mental states and my behavior and I engage in analogical reasoning to infer that those who act as I do have similar mental states. For example, I know how I react when I am in pain, so when I see similar behavior in others I infer that they are also in pain.

I cannot, unlike some politicians, feel the pain of others. I can merely make an inference from their observed behavior. Because of this, there is the problem of deception: a person can engage in many and various forms of deceit. For example, a person can fake being in pain or make a claim about love that is untrue. Piercing these deceptions can sometimes be very difficult since humans are often rather good at deceit. However, it is still (generally) believed that even a deceitful human is still thinking and feeling, albeit not in the way he wants people to believe he is thinking and feeling.

In contrast, a companion robot is not thinking or feeling what it is displaying in its behavior, because it does not think or feel. Or so it is believed. The reason that a person would think this seems reasonable: in the case of a robot, we can go in and look at the code and the hardware to see how it all works and we will not see any emotions or thought in there. The robot, however complicated, is just a material machine, incapable of thought or feeling.

Long before robots, there were thinkers who claimed that a human is a material entity and that a suitable understanding of the mechanical workings would reveal that emotions and thoughts are mechanical states of the nervous system. As science progressed, the explanations of the mechanisms became more complex, but the basic idea remained. Put in modern terms, the idea is that eventually we will be able to see the “code” that composes thoughts and emotions and understand the hardware it “runs” on.

Should this goal be achieved, it would seem that humans and suitably complex robots would be on par—both would engage in complex behavior because of their hardware and software. As such, there would be no grounds for claiming that such a robot is engaged in deceit or that humans are genuine. The difference would merely be that humans are organic machines and robots are not.

It can, and has, been argued that there is more to a human person than the material body—that there is a mind that cannot be instantiated in a mere machine. The challenge is a very old one: proving that there is such a thing as the mind. If this can be established and it can be shown that robots cannot have such a mind, then robot companions would always be a deceit.

However, they might still be a useful deceit—going back to the placebo analogy, it might not matter whether the robot really thinks or feels. It might suffice that the person thinks it does and this will yield all the benefits of having a human companion.


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Race Nominalism

As it is wont to do, the internet exploded again—this time because the question was raised as to whether Rachel Dolezal, the former leader of Spokane’s NAACP chapter, is black or white. Ms. Dolezal has claimed that she is African-American, Native American and white. She also has claimed that her father is black. Reporters at KXLY-TV, however, looked up her birth certificate and determined that her legal parents are both white. Her parents have asserted that she is white.

While the specifics of her case are certainly interesting to many, my concern is with the more general issues raised by this situation, specifically matters about race and identity. While this situation is certainly the best known case of a white person trying to pass for black, passing as another “race” has been a common practice in the United States for quite some time. However, this passing was the reverse of Ms. Dolezal’s attempt: trying to pass as white. Since being accepted as white enables a person to avoid many disadvantages, it is clear why people would attempt to pass as white. Since being accepted as black generally does not confer advantages, it is not surprising that there has been only one known case of a white person endeavoring to pass as black. These matters raise some interesting questions and issues about race.

Borrowing language from metaphysics, one approach to race could be called race realism. This is not being realistic about race in the common use of the term “realistic.” Rather, it is accepting that race is a real feature of reality—that is, the metaphysical and physical reality includes categories of race. On this view, black and white could be real categories grounded in metaphysical and physical reality. As such, a person could be objectively black or white (or a mix). Naturally, even if there are real categories of race, people could be wrong about them.

The stark alternative is what could be called race nominalism. This is the idea that racial categories are social constructs and do not line up with an underlying metaphysical and physical reality. This is because there is no underlying metaphysical and physical reality that objectively grounds racial categories. Instead, categories of race are social constructs. In this case, a person might engage in self-identification in regards to race and this might or might not be accepted by others. A person might also have others place her into a race category—which she might or might not accept.

Throughout history, some people have struggled mightily to find an objective basis for categories of race. Before genetics, people had to make use of appearance and ancestry. The ancestry was, obviously, needed because people did not always look like the race category that some people wanted them to be in. One example of this is the “one drop” rule once popular in some parts of the United States: one drop of black blood made a person black, regardless of appearance.

The discovery of genes provided some people with a new foundation for race categories—they believed that there would be a genetic basis to categorizations. The idea was that just as a human can be distinguished from a cat by genes, humans of different race categories could be distinguished by their genetic make-up. While humans do show genetic variations that are often linked to the geographical migration and origin of their many ancestors, the much desired race genes did not seem to be found. That is, humans (not surprisingly) are all humans with some minor genetic variations—that is, the variations are not sufficient to objectively ground race categories.

In general, the people who quested for objective foundations for race categories were (or are) racists. These searches typically involved trying to find evidence of the superiority of one’s race and the inferiority of other races. That said, a person could look for foundations for race without being a racist—that is, they could be engaged in a scientific or philosophical inquiry rather than seeking to justify social practices and behaviors. As might be suspected, such an inquiry would be greeted today with charges of racism. As such, it is no surprise that the generally accepted view is that race is a construct—that is, race nominalism rather than race realism is accepted.

Given the failure to find a metaphysical or physical foundation for race categories, it certainly makes sense to embrace race nominalism. On this view, the categories of race exist only in the mind—that is, they are how people divide up reality rather than how reality is carved up. Even if it is accepted that race is a social construct, there is still the matter of the rules of construction—that is, how the categories are created and how people are placed in the categories.

One approach, which is similar to that sometimes taken in regards to gender, is to hold that people can self-identify. That is, a person can simply declare her race and this is sufficient to be in that category. If race categories are essentially made up, this does have a certain appeal—if race is a fiction, then surely anyone can be the author of her own fiction.

While there are some who do accept this view, the outrage over Ms. Dolezal shows that most people seem to reject the idea of self-identification—at least when a white person endeavors to self-identify as black. Interestingly, some of those condemning her do defend the reverse, the historical passing as white by some black people. The defense is certainly appealing: blacks endeavoring to pass as white were doing so to move from being in an oppressed class and this can be justified as a form of self-defense. In the case of Ms. Dolezal, the presumption seems to be that the self-identification was both insincere and aimed at personal gain. Regardless of her true motivation, insincere self-identification aimed at personal gain seems to be wrong—on the grounds that it is a malign deception. Some might, of course, regard all attempts at passing to gain an advantage as being immoral and not distinguish based on the direction of the passing.

Another approach is that of the social consensus. The idea is that a person’s membership in a race category depends on the acceptance of others. This could be a matter of majority acceptance (one is, for example, black if most people accept one as black) or acceptance by a specific group or social authority. The obvious problem is working out what group or authority has the right to decide membership in race categories. On the one hand, this very notion seems linked to racism: one probably thinks of the KKK setting its race categories or the Nazis doing so. On the other hand, groups also seem to want to serve as the authority for their race category. Consistency might indicate that this would also be racist.

The group or authority that decides membership in race categories might make use of a race credential system to provide a basis for their decisions. That is, they might make use of appearance and ancestry. So, Ms. Dolezal would not be black because she looks white and has white parents. The concern with this sort of approach is that this is the same tool set used by racists, such as the KKK, to divide people by race. A more philosophical concern is the basis for using appearance and ancestry as the foundation for race categories—that is, what justifies their use?

This discussion does show an obvious concern with policing race categories—it seems like doing so uses the tools of racism and would thus seem to be at least a bit racist. However, arguments could be advanced as to why the policing of race categories is morally acceptable and not racist.


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Gender Nominalism & Competition

In the previous essay I discussed gender nominalism—the idea that gender is not a feature of reality, but a social (or individual) construct. As such, a person falling within a gender class is a matter of naming rather than a matter of having objective features. In this essay I will not argue for (or against) gender nominalism. Rather, I will be discussing gender nominalism within the context of competition.

Being a runner, I will start with competitive sports. As anyone who has run competitively knows, males and females generally compete within their own sexes. So, for example, a typical road race will (at least) have awards for the top three males and also for the top three females. While individual males and females vary greatly in their abilities, males have a general physical advantage over females when it comes to running: the best male runner is significantly better than the best female runner and average male runners are also better than average female runners.

Given that males generally have an advantage over females in regards to running (and many other physical sports), it would certainly be advantageous for a male runner if the division was based on gender (rather than biological sex) and people could simply declare their genders. That is, a male could declare himself a woman and thus be more likely to do better relative to the competition. While there are those who do accept that people have the right to gender declare at will and that others are obligated to accept this, it seems clear that this would not be morally acceptable in sports.

The intent of dividing athletes by sex is to allow for a fairer completion. This same principle, that of fairer competition, is also used to justify age groups—as older runner knows, few things slow a person down like dragging many years.  Because of this, a runner could, in general, gain an advantage by making a declaration of age identity (typically older). Perhaps the person could claim that he has always been old on the inside and that to refuse to accept his age identification would be oppression. However, this would be absurd: declaring an age does not change the person’s ability to compete and would thus grant an unfair advantage. Likewise, allowing a male to compete as a woman (or girl) in virtue of gender identification would be unfair. The declaration would not, obviously, change the person’s anatomy and physiology.

There are, however, cases that are much more controversial and challenging. These include cases in which a person has undergone a change in anatomy. While these cases are important, they go beyond the intended scope of this essay, which is gender nominalism.

Some competitions do not divide the competitors by sex. These are typically competitions where the physical differences between males and females do not impact the outcome. Some examples include debate, chess, spelling bees and NASCAR. In these cases, males and females compete equally and hence the principle of fairness justifies the lack of sex divisions. Some of these competitions do have other divisions. For example, spelling bees do not normally pit elementary school students against high school students. In such competitions, gender identification would seem to be irrelevant. As such, competitors should be free to gender identify as they wish within the context of the competition.

Interestingly, there are competitions where there appear to be no sex-based advantages (in terms of physical abilities), yet there are gender divisions. There are competitions in literature, music, and acting that are divided by gender (and some are open only to one gender). There are also scholarships, fellowships and other academic awards that are open only to one gender (in the United States, these are often limited to woman).

Since being a biological male would seem to yield no advantage in such cases, the principle of fairness would not seem to apply. For example, the fact that males are generally larger and stronger would yield no advantage when it came to writing a novel, acting in a play, or playing a guitar. As such, it would seem that if people should be able to set their own gender identity, they should be able to do so for such competitions, thus enabling them to compete where they wish.

It could be argued that the principle of fairness would still apply—that biological males would still have an advantage even if they elected to identify as women for the competition. This advantage, it might be claimed, would be based in the socially constructed advantages that males possess. Naturally, it would need to be shown that a male that gender identifies as a woman for such competitions, such as getting a woman’s only scholarship, would still retain the (alleged) male advantage.

It could also be argued that the divisions are not based on a principle of fairness regarding advantages or disadvantages. Rather, the divisions are to given more people a chance of winning. This could be justified on the same grounds that justify having many categories. For example, there are awards for being the best actor in a supporting role, which exists to create another chance for an actor to win something. If a person could just gender declare and be eligible, then that would create an “imbalance”, much as allowing non-supporting actors to declare themselves supporting actors to get a shot at that award would be unfair.

Of course, this seems to assume that there is a justified distinction between the genders that would ground the claims of unfairness. That is, it would be as wrong for a male to win best actress as it would be for a female screenwriter who never acted to win best actress for her screenplay.  Or that it would be as bad for a male to get a scholarship intended for a woman as it would be for a football player who cannot do math to get a math scholarship. This approach, which would involve rejecting one form of gender nominalism (the version in which the individual gets to declare gender) is certainly an option. This would not, however, require accepting that gender is not a social construct—one could still be a gender nominalist of the sort that believes that gender classification is both a matter of individual declaration and acceptance by the “relevant community.” As such, the relevant communities could police their competitions. For example, those who dole out scholarships for woman can define what it is to be a woman, so as to prevent non-woman from getting those awards. This would, of course, seem to justify similar gender policing by society as a whole, which leads to some interesting problems about who gets to define gender identity. The usual answer people give is, of course, themselves.


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Gender Nominalism

Thanks to Caitlyn Jenner’s appearance in Vanity Fair, the issue of gender identity has become a mainstream topic. While I will not address the specific subject of Caitlyn Jenner, I will discuss the matter of gender nominalism and competition. This will, however, require some small amount of groundwork.

One of the classic problems in philosophy is the problem of universals. Put a bit roughly, the problem is determining in virtue of what (if anything) a particular a is of the type F. To use a concrete example, the question would be “in virtue of what is Morris a cat?” Philosophers tend to split into two main camps when answering this question. One camp, the nominalists, embrace nominalism. Put a bit simply, this is the view that what makes a particular a an F is that we name it an F. For example, what makes Morris a cat is that we call (or name) him a cat.

The other camp, the realists, take the view that there is a metaphysical reality underlying a being of the type F. Put another way, it is not just a matter of naming or calling something an F that makes it an F. In terms of what makes a be of the type F, different realist philosophers give different answers. Plato famously claimed that it is the Form of F that makes individual F things F. Or, to use an example, it is the Form of Beauty that makes all the beautiful things beautiful. And, presumably, the Form of ugly that makes the ugly things ugly. Others, such as myself, accept these odd things called tropes (not to be confused with the tropes of film and literature) that serve a similar function.

While realists believe in the reality of some categories, they generally accept that there are some categories that are not grounded in features of objective reality. As such, most realists do accept that the nominalists are right about some categories. To use an easy example, being a Democrat (or Republican) is not grounded in metaphysics, but is a social construct—the political party is made up and membership is a matter of social convention rather than metaphysical reality. Or, put another way, there is presumably no Form of Democrat (or Republican).

When it comes to sorting out sex and gender, the matter is rather complicated and involves (or can involve) four or more factors.  One is the anatomy (plumbing) of the person, which might (or might not) correspond to the second, which is the genetic makeup of the person (XX, XY, XYY, etc.). The third factor is the person’s own claimed gender identity which might (or might not) correspond to the fourth, which is the gender identity assigned by other people.

While anatomy and physiology are adjustable (via chemicals and surgery), they are objective features of reality—while a person can choose to alter her anatomy, merely changing how one designates one’s sex does not change the physical features. While a complete genetic conversion (XX to XY or vice versa) is not yet possible, it is probably just a matter of time. However, even when genetics can be changed on demand, a person’s genetic makeup is still an objective feature of reality—a person cannot (yet) change his genes merely by claiming a change in designation.

Gender is, perhaps, quite another matter. Like many people, I used to use the terms “sex” and “gender” interchangeably—I still recall (running) race entry forms using one or the other and everyone seemed to know what was meant. However, while I eventually learned that the two are not the same—a person might have one biological sex and a different gender. While familiar with the science fiction idea of a multitude of genders, I eventually became aware that this was now a thing in the actual world.

Obviously, if gender is taken as the same as sex (which is set by anatomy or genetics), then gender would be an objective feature of reality and not subject to change merely by a change in labeling (or naming). However, gender has been largely (or even entirely) split from biological sex (anatomy or genetics) and is typically cast in terms of being a social construct. This view can be labeled as “gender nominalism.” By this I mean that gender is not an objective feature of reality, like anatomy, but a matter of naming, like being a Republican or Democrat.

Some thinkers have cast gender as being constructed by society as a whole, while others contend that individuals have lesser or greater ability to construct their own gender identities. People can place whatever gender label they wish upon themselves, but there is still the question of the role of others in that gender identity. The question is, then, to what degree can individuals construct their own gender identities? There is also the moral question about whether or not others are morally required to accept such gender self-identification. These matters are part of the broader challenge of identity in terms of who defines one’s identity (and what aspects) and to what degree are people morally obligated to accept these assignments (or declarations of identity).

My own view is to go with the obvious: people are free to self-declare whatever gender they wish, just as they are free to make any other claim of identity that is a social construct (which is a polite term for “made up”). So, a person could declare that he is a straight, Republican, Rotarian, fundamentalist, Christian, man. Another person could declare that she is a lesbian, Republican, Masonite, Jewish woman. And so on. But, of course, there is the matter of getting others to recognize that identity. For example, if a person identifies as a Republican, yet believes in climate change, argues for abortion rights, endorses same-sex marriage, supports Obama, favors tax increases, supports education spending, endorse the minimum wage, and is pro-environment, then other Republicans could rightly question the person’s Republican identity and claim that that person is a RINO (Republican in Name Only). As another example, a biological male could declare identity as a woman, yet still dress like a man, act like a man, date women, and exhibit no behavior that is associated with being a woman. In this case, other women might (rightly?) accuse her of being a WINO (Woman in Name Only).

In cases in which self-identification has no meaningful consequences for other people, it certainly makes sense for people to freely self-identify. In such cases, claiming to be F makes the person F, and what other people believe should have no impact on that person being F. That said, people might still dispute a person’s claim. For example, if someone self-identifies as a Trekkie, yet knows little about Star Trek, others might point out that this self-identification is in error. However, since this has no meaningful consequences, the person has every right to insist on being a Trekkie, though doing so might suggest that he is about as smart as a tribble.

In cases in which self-identification does have meaningful consequences for others, then there would seem to be moral grounds (based on the principle of harm) to allow restrictions on such self-identification. For example, if a relatively fast male runner wanted to self-identify as a woman so “she” could qualify for the Olympics, then it would seem reasonable to prevent that from happening. After all, “she” would bump a qualified (actual) woman off the team, which would be wrong. Because of the potential for such harms, it would be absurd to accept that everyone is obligated to accept the self-identification of others.

The flip side of this is that others should not have an automatic right to deny the self-identification of others. As a general rule, the principle of harm would seem to apply here as well—the others would have the right to impose in cases in which there is actual harm and the person would have the right to refuse the forced identity of others when doing so would inflict wrongful harm. The practical challenge is, clearly enough, working out the ethics of specific cases.


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Information Immortality

Most people are familiar with the notion that energy cannot be destroyed. Interestingly, there is also a rule in quantum mechanics that forbids the destruction of information. This principle, called unitarity, is often illustrated by the example of burning a book: though the book is burned, the information still remain—

although it would obviously be much harder to “read” a burned book. This principle has, in recent years, run into some trouble with black holes and they might or might not be able to destroy information. My interest here is not with this specific dispute, but rather with the question of whether or not the indestructibility of information has any implications for immortality.

On the face of it, the indestructibility of information seems rather similar to the conservation of energy. Long ago, when I was an undergraduate, I first heard the argument that because of the conservation of energy, personal immortality must be real (or at least possible). The basic line of reasoning was that a person is energy, energy cannot be destroyed, so a person will exist forever. While this has considerable appeal, the problem is obvious: while energy is conserved, it certainly need not be preserved in the same form. That is, even if a person is composed of energy it does not follow that the energy remains the same person (or even a person). David Hume was rather clear about the problem—an indestructible or immortal substance (or energy) does not entail the immortality of a person. When discussing the possibility of immortality, he claims that nature uses substance like clay: shaping it into various forms, then reshaping the matter into new forms so that the same matter can successively make up the bodies of living creatures.  By analogy, an immaterial substance could successively make up the minds of living creatures—the substance would not be created or destroyed, it would merely change form. However, the person would cease to be.

Prior to Hume, John Locke also noted the same sort of problem: even if, for example, you had the same soul (or energy) as Nestor, you would not be the same person as Nestor any more than you would be the same person as Nestor if, in an amazing coincidence, your body contained at this instant all the atoms that composed Nestor at a specific instant in time.

Hume and Locke certainly seem to be right about this—the indestructibility of the stuff that makes up a person (be it body or soul) does not entail the immortality of the person. If a person is eaten by a bear, the matter and energy that composed him will continue to exist—but the person did not survive being eaten by the bear. If there is a soul, the mere continuance of the soul would also not seem to suffice for the person to continue to exist as the same person (although this can obviously be argued). What would be needed would be the persistence of what makes up the person. This is usually taken to be something other than just stuff, be that stuff matter, energy, or ectoplasm. So, the conservation of energy does not seem to entail personal immortality—but the conservation of information might (or might not).

Put a bit crudely, Locke took this something other to be memory: personal identity extends backwards as far as the memory extends. Since people clearly forget things, Locke did accept the possibility of memory loss. Being consistent in this matter, he accepted that the permanent loss of memory would result in a corresponding failure of identity. Crudely put, if a person truly did not and could never remember doing something, then she was not the person who did it.

While there are many problems with the memory account of personal identity, it certainly suggests a path to quantum immortality through the conservation of information. One approach would be to argue that since information is conserved, the person is conserved even after the death and dissolution of the body. Just like the burned book whose information still exists, the person’s information would still exist.

One obvious reply to this is that a person is an active being and not just a collection of information. To use a rather rough analogy, a person could be seen as being like a computer program—to be is to be running. Or, to use a more artistic analogy, like a play: while the script would persist after the final curtain, the play itself is over. As such, while the person’s information would be conserved, the person would cease to be. This sort of “quantum immortality” is remarkably similar to Spinoza’s view of immortality. While he denied personal immortality, he claimed that “the human mind cannot be absolutely destroyed with the body, but something of it remains which is eternal.” Spinoza, of course, seemed to believe that this should comfort people. Perhaps some comfort should be taken in the fact that one’s information will be conserved (barring an unfortunate encounter with a black hole).

However, people would probably be more comforted by a reason to believe in an afterlife. Fortunately, the conservation of information does provide at least a shot at an afterlife. If information is conserved and all there is to a person can be conserved as information, then a person could presumably be reconstructed after his death. For example, imagine a person, Laz, who died by an accident and was buried. The remains could, in theory, be dug up and the information about the body could be recovered (to a point prior to death, of course). The body could, with suitably advanced technology, be reconstructed. The reconstructed brain could, in theory, have all the memories and such recovered and restored as well. This would be a technological resurrection in the flesh and the person would certainly seem to live again. Assuming that every piece of information was preserved, recovered and restored in the flesh it would be the person—just as if a moment had passed rather than, say, a thousand years. This would be, obviously, in theory. Actual resurrection technology would presumably involve various flaws and limitations. But, the idea seems sound enough.

One potential problem is an old one for philosophers—if a person could be reconstructed from such information, she could also be duplicated from such information. To use the obvious analogy, this would be like 3D printing from a data file, except what would be printed would be a person. Or, to use another analogy, it would be like reconstructing an old computer and reloading all the software. There would certainly not be any reason to wait until the person died, unless there was some sort of copyright or patent held by the person on herself that expired a certain time after her death.

In closing, I leave you with this: some day in the far future, you might find that you (or someone like you) have just been reprinted. In 3D, of course.

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Androids, Autonomy & Agency

Blade Runner

Blade Runner (Photo credit: Wikipedia)

Philosophers have long speculated about the subjects of autonomy and agency, but the rise of autonomous systems have made these speculations ever more important.  Keeping things fairly simple, an autonomous system is one that is capable of operating independent of direct control. Autonomy comes in degrees in terms of the extent of the independence and the complexity of the operations. It is, obviously, the capacity for independent operation that distinguishes autonomous systems from those controlled externally.

Simple toys provide basic examples of the distinction. A wind-up mouse toy has a degree of autonomy: once wound and released, it can operate on its own until it runs down. A puppet, in contrast, has no autonomy—a puppeteer must control it. Robots provide examples of rather more complex autonomous systems. Google’s driverless car is an example of a relatively advanced autonomous machine—once programmed and deployed, it will be able to drive itself to its destination. A normal car is an example of a non-autonomous system—the driver controls it directly. Some machines allow for both autonomous and non-autonomous operation. For example, there are drones that follow a program guiding them to a target and then an operator can take direct control.

Autonomy, at least in this context, is quite distinct from agency. Autonomy is the capacity to operate (in some degree) independently of direct control. Agency, at least in this context, is the capacity to be morally responsible for one’s actions. There is clearly a connection between autonomy and moral agency: moral agency requires autonomy. After all, an entity whose actions are completely controlled externally would not be responsible for what it was made to do. A puppet is, obviously, not accountable for what the puppeteer makes it do.

While autonomy seems necessary for agency, it is clearly not sufficient—while all agents have some autonomy, not all autonomous entities are moral agents. A wind-up toy has a degree of autonomy, but has no agency. A robot drone following a pre-programed flight-plan has a degree of autonomy, but would lack agency—if it collided with a plane it would not be morally responsible. The usual reason why such a machine would not be an agent is that it lacks the capacity to decide. Or, put another way, it lacks freedom.  Since it cannot do otherwise, it is no more morally accountable than an earthquake or a super nova.

One obvious problem with basing agency on freedom (especially metaphysical freedom of the will) is that there is considerable debate about whether or not such freedom exists. There is also the epistemic problem of how one would know if an entity has such freedom.

As a practical matter, it is usually assumed that people have the freedom needed to make them into agents. Kant, rather famously, took this approach. What he regarded as the best science of his day indicated a deterministic universe devoid of metaphysical freedom. However, he contended that such freedom was needed for morality—so it should be accepted for this reason.

While humans are willing (generally) to attribute freedom and agency to other humans, there seem to be good reasons to not attribute freedom and agency to autonomous machines—even those that might be as complex as (or even more complex than) a human. The usual line of reasoning is that since such machines would be built and programmed by humans they would do what they do because they are what they are. This would be in clear contrast to the agency of humans: humans, it is alleged, do what they do because they choose to do what they do.

This distinction between humans and suitably complex machines would seem to be a mere prejudice favoring organic machines over mechanical machines. If a human was in a convincing robot costume and credibly presented as a robot while acting like a normal human, people would be inclined to deny that “it” had freedom and agency. If a robot was made to look and act just like a human, people would be inclined to grant it agency—at least until they learned it was “just” a machine. Then there would probably be an inclination to regard it as a very clever but unfree machine.  But, of course, it would not really be known whether the human or the machine had the freedom alleged needed for agency. Fortunately, it is possible to have agency even without free will (but with a form of freedom).

The German philosopher Leibiniz held the view that what each person will do is pre-established by her inner nature. On the face of it, this would seem to entail that there is no freedom: each person does what she does because of what she is—and she cannot do otherwise. Interestingly, Leibniz takes the view that people are free. However, he does not accept the common view that freedom requires actions that are unpredictable and spontaneous. Leibniz rejects this view in favor of the position that freedom is unimpeded self-development.

For Leibniz, being metaphysically without freedom would involve being controlled from the outside—like a puppet controlled by a puppeteer or a vehicle being operated by remote control.  In contrast, freedom is acting from one’s values and character (what Leibniz and Taoists call “inner nature”). If a person is acting from this inner nature and not external coercion—that is, the actions are the result of character, then that is all that can be meant by freedom. This view, which attempts to blend determinism and freedom, is known as compatibilism. On this sort of view, humans do have agency because they have the needed degree of freedom and autonomy.

If this model works for humans, it could also be applied to autonomous machines. To the degree that a machine is operating in accord to its “inner nature” and is not operating under the control of outside factors, it would have agency.

An obvious objection is that an autonomous machine, however complex, would have been built and programmed (in the broad sense of the term) by humans. As such, it would be controlled and not free. The easy and obvious reply is that humans are “built” by other humans (by mating) and are “programmed” by humans via education and socialization. As such, if humans can be moral agents, then it would seem that a machine could also be a moral agent.

From a moral standpoint, I would suggest a Moral Descartes’ Test (or, for those who prefer, a Moral Turing Test). Descartes argued that the sure proof of a being having a mind is its capacity to use true language. Turning later proposed a similar sort of test involving the ability of a computer to pass as human via text communication. In the moral test, the test would be a judgment of moral agency—can the machine be as convincing as a human in regards to its possession of agency? Naturally, a suitable means of concealing the fact that the being is a machine would be needed in order to prevent mere prejudice from infecting the judgment. The movie Blade Runner featured something similar, the Voight-Kampff test aimed at determining if the subject was a replicant or human. This test was based on the differences between humans and replicants in regards to emotions. In the case of moral agency, the test would have to be crafted to determine agency rather than to distinguish a human from machine, since the issue is not whether a machine is human but whether it has agency. A moral agent might have rather different emotions, etc. than a human. The challenge is, obviously enough, developing a proper test for moral agency. It would, of course, be rather interesting if humans could not pass it.


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Free Will, Materialism & Dualism

Drawing from René Descartes' (1596-1650) in &q...

Drawing from René Descartes’ (1596-1650) in “meditations métaphysiques” explaining the function of the pineal gland. (Photo credit: Wikipedia)

During the Modern era, philosophers such as Descartes and Locke developed the notions of material substance and immaterial substance. Material substance, or matter, was primarily defined as being extended and spatially located. Descartes, and other thinkers, also took the view that material substance could not think. Immaterial substance was taken to lack extension and to not possess a spatial location. Most importantly, immaterial substance was regarded as having thought as its defining attribute.  While these philosophers are long dead, the influence of their concepts lives on in philosophy and science.

In philosophy, people still draw the classic distinction between dualists and materialists. A dualist holds that a living person consists of a material body and an immaterial mind. The materialist denies the existence of the immaterial mind and accepts only matter. There are also phenomenonalists who contend that all that exists is mental. Materialism of this sort is popular both in contemporary philosophy and science. Dualism is still popular with the general population in that many people believe in a non-material soul that is distinct from the body.

Because of the history of dualism, free will is often linked to the immaterial mind. As such, it is no surprise that people who reject the immaterial mind engage in the following reasoning: an immaterial mind is necessary for free will. There is no immaterial mind. So, there is no free will.

Looked at positively, materialists tend to regard their materialism as entailing a lack of free will. Thomas Hobbes, a materialist from the Modern era, accepted determinism as part of his materialism. Taking the materialist path, the argument against free will is that if the mind is material, then there is no free will. The mind is material, so there is no free will.

Interestingly enough, those who accepted the immaterial mind tended to believe that only an immaterial substance could think—so they inferred the existence of such a mind on the grounds that they thought. Materialists most often accept the mind, but cast it in physical terms. That is, people do think and feel, they just do not do so via the mysterious quivering of immaterial ectoplasm. Some materialists go so far as to reject the mind—perhaps ending up in behaviorism or eliminative materialism.

Julien La Metrie was one rather forward looking materialist.  In 1747 he published his work Man the Machine. In this work he claims that philosophers should be like engineers who analyze the mind. Unlike many of the thinkers of his time, he seemed to understand the implications of mechanism, namely that it seemed to entail determinism and reductionism. A few centuries later, this sort of view is rather popular in the sciences and philosophy: since materialism is true and humans are biological mechanisms, there is no free will and the mind can be reduced (explained entirely in terms of) its physical operations (or functions).

One interesting mistake that seems to drive this view is the often uncritical assumption that materialism entails the impossibility of free will. As noted above, this rests on the notion that free will requires an immaterial mind. This is, perhaps, because such a mind is said to be exempt from the laws that run the material universe.

One part of the mistake is a failure to realize that being incorporeal is not a sufficient condition for free will. One of Hume’s many interesting insights was that if immaterial substance exists, then it would be like material substance. When discussing the possibility of immortality, he claims that nature uses substance like clay: shaping it into various forms, then reshaping the matter into new forms so that the same matter can successively make up the bodies of living creatures.  By analogy, an immaterial substance could successively make up the minds of living creatures—the substance would not be created or destroyed, it would merely change form. If his reasoning holds, it would seem that if material substance is not free, then immaterial substance would also not be free. Leibniz, who believed that reality was entirely mental (composed of monads) accepted a form of determinism. This determinism, though it has some problems, seems entirely consistent with his immaterialism (that everything is mental). This should hardly be surprising, since being immaterial does not entail that something has free will—the two are rather distinct attributes.

Another part of the mistake is the uncritical assumption that materialism entails a lack of freedom. Naturally, if matter is defined as being deterministic and lacking in freedom, then materialism would (by begging the question) entail a lack of freedom. Likewise, if matter is defined (as many thinkers did) as being incapable of thought, then it would follow (by begging the question) that no material being could think. Just as it should not be assumed that matter cannot think, it should also not be assumed that a material being must lack free will. Looked at another way, it should not be assumed that being incorporeal is a necessary condition for free will.

What, obviously enough, seems to have driven the error is the conflation of the incorporeal with freedom and the material with determinism (or lack of freedom). Behind this is, also obviously enough, the assumption that the incorporeal is exempt from the laws that impose harsh determinism on matter. But, if it is accepted that a purely material being can think (thus denying the assumption that only the immaterial can think) it would seem to be acceptable to consider that such a being could also be free (thus denying the assumption that only the immaterial can be free).


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Could Black Panther be White?

Black Panther (comics)

(Photo credit: Wikipedia)

While there is an established history of superhero characters having their ethnicity or gender changed, each specific episode tends to create a small uproar (and not just among the fanfolk). For example, Nick Fury was changed from white to black (with Samuel Jackson playing the character in the movies). As another example, a woman took on the role of Thor. I am using “ethnicity” here rather than “race” for the obvious reason that in comic book reality humans are one race, just as Kryptonians and Kree are races.

Some of the complaints about such changes are based in racism and sexism. While interesting from the standpoint of psychology and ethics, these complaints are not otherwise worthy of serious consideration. Instead I will focus on legitimate concerns about such change.

A good place to begin the discussion of these changes is to address concerns about continuity and adherence to the original source material. Just as, for example, giving Batman super powers would break continuity, making him into a Hispanic would also seem to break continuity. Just as Batman has no superpowers, he is also a white guy.

One obvious reply to this is that characters are changed over the years. To use an obvious example, when Superman first appeared in the comics he was faster than a speeding bullet and able to leap tall buildings. However, he did not fly and did not have heat vision. Over the years writers added abilities and increased his powers until he became the Superman of today. Character background and origin stories are also changed fairly regularly. If these sort of changes are acceptable, then this opens the door to other changes—such as changes to the character’s ethnicity or gender.

One rather easy way to justify any change is to make use of the alternative world device. When D.C. was faced with the problem of “explaining” the first versions of Flash (who wore a Mercury/Hermes style helmet), Batman, Green Lantern (whose power was magic and vulnerability was wood) and Superman they hit on the idea of having Earth 1 and Earth 2. This soon became a standard device for creating more comics to sell, although it did have the effect of creating a bit of a mess for fans interested in keeping track of things. An infinite number of earths is a rather lot to keep track of.  Marvel also had its famous “What If” series which would allow for any changes in a legitimate manner.

While the use of parallel and possible worlds provides an easy out, there is still the matter of changing the gender or ethnicity of the “real” character (as opposed to just having an alternative version). One option is, of course, to not have any “real” character—every version (whether on TV, in the movies or in comics) is just as “real” and “official” as any other. While this solves the problem by fiat, there still seems to be a legitimate question about whether all these variations should be considered the same character. That is, whether a Hispanic female Flash is really the Flash.

In some cases, the matter is rather easy to handle. Some superheroes merely occupy roles, hold “super jobs” or happen to have some gear or item that makes them super. For example, anyone can be a Green Lantern (provided the person qualifies for the ring). While the original Green Lantern was a white guy, a Hispanic woman could join the corps and thus be a Green Lantern. As another example, being Iron Man could be seen as just a matter of wearing the armor. So, an Asian woman could wear Iron Man armor and be Iron…well, Iron Woman. As a final example, being Robin seems to be a role—different white boys have occupied that role, so there seems to be no real issue with having a female Robin (which has, in fact, been done) or a Robin who is not white.

In many cases a gender change would be pointless because female versions of the character already exist. For example, a female Superman would just be another Supergirl or Power Girl. As another example, a female Batman would just be Batwoman or Batgirl, superheroes who already exist. So, what remains are cases that are not so easy to handle.

While every character has an “original” gender and ethnicity (for example, Captain America started as a white male), it is not always the case that the original’s gender and ethnicity are essential to the character. That is, the character would still make sense and it would still be reasonable to regard the character as the same (only with a different ethnicity or gender).  This, of course, raises metaphysical concerns about essential qualities and identity. Put very simply, an essential quality is one that if an entity loses that quality, it ceases to be what it is. For example, having three sides is an essential quality for a triangle: if it ceases to be three sided, it ceases to be a triangle. Color and size are not essential qualities of triangles. A red triangle that is painted blue does not ceases to be a triangle.

In the case of superheroes, the key question here is one about which qualities are essential to being that hero and which ones can be changed while maintaining the identity of the character. One way to approach this is in terms of personal identity and to use models that philosophers use for real people. Another approach is to go with an approach that is more about aesthetics than metaphysics. That is, to base the essential qualities on aesthetic essentials—that is, qualities relevant to being the right sort of fictional character.

One plausible approach here is to consider whether or not a character’s ethnicity and gender are essential to the character—that is, for example, whether Captain America would still be Captain America if he were black or a woman.

One key aspect of it would be how these qualities would fit the origin story in terms of plausibility. Going with the Captain America example, Steve Rogers could have been black—black Americans served in WWII and it would even be plausible that experiments would be done on African-Americans (because they did for real). Making Captain America into a woman would be implausible—the sexism of the time would have ensured that a woman would not have been used in such an experiment and American women were not allowed to enlist in the combat infantry. As another example, the Flash could easily be cast as a woman or as having any ethnicity—there is nothing about the Flash’s origin that requires that the Flash be a white guy.

Some characters, however, have origin stories that would make it implausible for the character to have a different ethnicity or gender. For example, Wonder Woman would not work as a man (without making all the Amazons men and changing that entire background). She could, however, be cast as any ethnicity (since she is, in the original story, created from a statue).

Another key aspect would be the role of the character in terms of what he or she represents or stands for. For example, Black Panther’s origin story would seem to preclude him being any ethnicity other than black. His role would also seem to preclude that as well—a white Black Panther would, it would seem, simply not fit the role. Black Panther could, perhaps, be a woman—especially since being the Black Panther is a role. So, to answer the title question, Black Panther could not be white. Or, more accurately, should not be white.

As a closing point, it could be argued that all that really matters is whether the story is a good one or not. So, if a good story can be told casting Spider-Man as a black woman or Rogue as an Asian man, then that is all the justification that would be needed for the change. Of course, it would still be fair to ask if the story really is a Spider-Man story or not.


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Child of my Memories

It is July 16, 2214. I am at Popham Beach in what I still think of as Maine. I am standing in the sand, watching the waves strike the shore. Sand pipers run in the surf, looking for their lunch. I have a two-hundred year old memory of another visit to this beach. In that memory, the water is cold on the skin and there is a mild ache in the left knee—a relic of a quadriceps tendon repair. Today, however, there is no ache—what serves as my knee is a biomechanical system and is free of all aches and pains. I can, if I wish, feel the cold by adjusting my sensors systems. I do so, and what was once merely data about temperature becomes a feeling in what I still call my mind. I downgrade my vision to that of an organic human, then tweak it so it perfectly matches the imperfect eyesight of the memory. I do the same for my hearing and turn off my other sensors until I am, as far as I can tell, merely human. I walk into the water, enjoying the feeling of the cold. My companion asks me if I have ever been here before. I pause and consider this question. I have a memory from a man who was here in 2014. But I do not know if I am him or if I am but a child of his memories. But, it is a lovely day—too lovely for metaphysics. I say “yes, long ago”, and wait patiently for the setting of the sun.

In science fiction one of the proposed methods of achieving a form of immortality is the downloading of memories from an old body to a new one. This, of course, rests on the rather critical assumption that a person is her memories.

Philosophers, as should hardly be surprising, have long considered whether or not a person is her memories. John Locke took the position that a person is her consciousness and, in a nice science fiction move, considered the possibility that memories could be transferred from one soul to another. While Locke’s view does get a bit confusing (he distinguishes between person, body, soul and consciousness while not being entirely clear about how memory relates to consciousness), he certainly seems to take the view that a person is her memory. As far back as a person’s memory goes, she goes—and this brings along with it moral accountability. Being a Christian, Locke was rather concerned about judgment day and needed a mechanism of personal identity that did not depend on the sameness of body. Being an empiricist, he also needed a clearly empirical basis. Memory contained within a soul seemed to take care of both concerns nicely.

Interestingly, Locke anticipates the science fiction idea of memory transfer—he considers the problem that arises if memory makes personal identity and memory could be transferred or copied. His solution is what many would regard as a cheat: he claims that God, in His goodness, would not allow that sort of thing to happen. However, he does discuss cases in which one (specifically Nestor) loses all memory and thus ceases to be the same person, though the same soul might be present.

So, if Locke is right about memory being the basis of personal identity and wrong about God not allowing the copying of memory, then if my memories were transferred to another conscious system to compose its consciousness, then it would be me. So, in my opening story, if the being standing on the beach in 2214 had my memory from 2014, then we would be the same person and I would be 248 years old.

David Hume, another British empiricist, presented an obvious intuition problem for Locke’s account: intuitively, people believe that they can extend their identity beyond their memory. That is, I do not suppose that it was not me just because I forgot something. Rather, I suppose that it was me and that I merely forgot. Hume took the view that memory is used to discover personal identity—and then he went a bit nuts and declared the matter to be all about grammar rather than philosophy.

Another stock problem with the memory account is that if memory can be copied, it can presumably be copied multiple times. The problem is that what serves as the basis of personal identity is supposed to be what makes me, me and distinct from everyone else. If what is supposed to provide my distinct identity can be duplicated, then it cannot be the basis of my distinct identity. Locke, as noted above, “solves” this problem by divine intervention. However, without this there seems to be no reason why my memory of Popham Beach from 2014 could not be copied many times if it could be copied once. As such, the entity on the beach in 2214 might just have a copy of my memory, just as it might have a copy of the files stored on the phone I was carrying that day. The companion mentioned in the short tale might also have those same memories—but they both cannot be me.

The entity on the beach might even have an actual memory from me—a literal piece of my brain. However, this might not make it the same person as me. To use an analogy, it might also have my watch or my finger bone from 2014, but this would not make it me.

Interestingly (or boringly) enough, the science fiction scenario really does not change the basic problems of identity over time. The problems are determining what makes me the person I am and what makes me distinct from all other things—be that a scenario involving the Mike from 2013 or the entity on the beach in 2214. For that entity on the beach to be me, it would need to possess whatever it is that made me the person I was in 2014 (and, hopefully, am now) and what distinguished that Mike from all other things—that is, my personness and my distinctness.

Since we obviously do not know what these things are (or if they even are at all), there is really no way to say whether that entity in 2214 could really be me. It is safe, I think, to claim that if it is a copy of something from my memories, then it is not me—at best, it would be a child of my memory. It would, as philosophers have long argued, have the same sort of connection to Mike 2014 that Mike 2014 had to Mike 2013. It is also worth considering that as Hume and Buddha have claimed, that there really is no self—so that entity on the beach in 2214 is not me, but neither am I.

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A Teleological World

Creation of Adam ( )

One classic dispute in philosophy can be crudely summed up by two competing bumper-sticker slogans. One is “everything happens for a reason.” The other is “stuff happens.” The first slogan expresses a version of the teleological view—the idea that the world is driven by purpose. The second expresses the non-teleological view—the world is not driven by purpose. It might be a deterministic world or a random world, but what occurs just happens.

Not surprisingly, there are many different theories that fall under the teleological banner. The sort most people tend to think of involves a theological aspect—a divine being creates and perhaps directs the world. Creationism presents a “pop” version of teleology while Aquinas presents a rather more sophisticated account. However, there are versions that are non-theological. For example, Thales wrote of the world being “full of gods”, but did not seem to be speaking of divine entities. As another example, Aristotle believed in a teleological world in which everything has a purpose.

The rise of what is regarded as modern science during the renaissance and enlightenment saw a corresponding fall in teleological accounts, although thinkers such as Newton and Descartes fully embraced and defended theological teleology. In the sciences, the dominance of Darwinism seemed to spell the doom of teleology. Interestingly, though, certain forms of teleology seem to be sneaking back in.

One area of the world that seems clearly teleological is that occupied by living creatures. While some thinkers have the goal of denying such teleology, creatures like us seem to be theological. That is, we act from purposes in order to achieve goals. Even the least of living creatures, such as bacteria, are presented as having purposes—though this might be more metaphor than reality.

Rather interestingly, even plants seem to operate in purposeful ways and engage in what some scientists characterize as communication. Even more interesting, entire forests seem to be interlocked into communication networks and this seems to indicate something that would count as teleological. This sort of communication can, of course, be dismissed as mere mechanical and chemical processes. The same can also be said of us—and some have argued just that.

It is quite reasonable to be skeptical of claims that link the behavior of plants to claims about teleology. After all, the idea of forests in linked communication and plants acting with purpose seems like something out of fantasy, hippie dreams, or science fiction. That said, there is some solid research that supports the claim that plants communicate and engage in what seems to be purposeful behavior.

Even if it is conceded that living things are purpose driven and thus there is some teleology in the universe, there is still the matter of whether or not teleology is broader. While theists embrace the idea of a God created and directed world, those who are not believers reject this and contend that the appearance of design is just that—appearance and not reality.

One reason that teleology often gets rejected (sometimes with a disdainful sneer) is that it is usually presented in crude theological terms, such as young earth creationism. It is easy enough to laugh off a teleological view when those making it claim that humans coexisted with dinosaurs. Also, there is a strong anti-religious tendency among some thinkers that causes an automatic dismissal of anything theological. Given that supernatural explanations do tend to be rather suspicious, this is hardly surprising. However, bashing such easy prey does not defeat the sophisticated forms of non-supernatural teleology.

The stock argument for teleology is, of course, that the best explanation for the consistent operation of the world and the apparent design of its components is in terms of purposes or ends. The main counter is, of course, that the consistency and apparent design can be explained entirely without reference to ends or purposes. To use the standard example, there is no need to postulate that living creatures are the result of a purpose or end because they are what they are because of chance and natural selection. When someone has the temerity to suggest that natural selection seems to smuggle in teleology, the usual reply is to deny that and to assure the critic that there is no teleology in it at all. Those who buy natural selection as being devoid of teleology accept this and often consider the critics to be misguided fools who are, no doubt, just trying to smuggle God back in. Those who think that natural selection still smuggles in teleology tend to think their opponents are in the grips of an ideology and unwilling to consider the matter properly.

Natural selection is also extended, in a way, beyond living creatures. When those who accept teleology point to the way the non-living universe works as evidence of purpose, the critics contend that the apparent purpose is an illusion. The planets and galaxies are as they are by chance (or determinism) and not from purpose. If they were not as they are, we would not be here to be considering the matter—so what seems like a purposeful universe is just a matter of luck (that is, chance).

It is, of course, tempting to extend the teleology of living creatures to the non-living parts of the universe. If it is accepted that we act with purpose and that even plants do so, then it becomes somewhat easier to consider that complicated non-living systems might also operate with a purpose, goal or end. Interestingly enough, being a materialist makes this transition even easier. After all, if humans, animals and plants are purely mechanical systems that operate with a purpose, then the idea that other purely mechanical systems operate with a purpose would make sense. This is not so say that stars are intelligent or that the universe is a being, of course.

There are those who deny that humans and animals operate with purpose and assert that we simply operate in accord with the laws of nature (whatever that means). Hobbes, for example, took this view. On this sort of view humans and the physical world are basically the same: purposeless mechanical systems. On this view, there is no teleology anywhere. Stuff just happens.


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