Mohan Matthen’s post Teleology in Big Systems brought up two options explaining how someone — Tom Nagel in Mind and Cosmos — would choose a teleological explanation over a naturalistic one. The first, below, got me thinking:
First, he might be saying that though it is physically possible (by a fluke series of mutations, for example) for mentality to have come about, it would be better explained by teleology. (Let’s call this the “intelligibility” argument.)
Though Matthen was referring to doubts about Darwinism being sufficient to lead to consciousness, there is another way to understand this intelligibility argument. If we grant that consciousness is something very special, though not unphysical, someone might consider the laws of physics to be constructed, teleologically, to permit consciousness. This is to say that our physics is teleogically directed to account for consciousness. The claim is not that consciousness was necessitated by our physics, but that our physics must conform to allow the possibility of consciousness. What is one philosopher’s Nature is another’s Teleology.
Now, I can’t see any philosophical motivation for this outside of a very deep belief that consciousness is exceptionally special. But if we grant exceptional status to consciousness, then it wouldn’t be ridiculous to consider that our physics must somehow be subject to the requirements of consciousness instead of the other way around. Whereas there may be infinite other possible physics that do not allow for the possibility of consciousness, we live under a physics that does.
My immediate, knee jerk response to this sort of move is that it is just a semantic shift about the meanings of teleology and nature, nothing deeper. If what the teleologist means by teleology is what others mean by nature, then there is no difference of opinion, only word use.
However, this semantic response does not engage the motivation for the teleological argument. The motivation is that consciousness is exceptional. So, if the naturalist believes that consciousness is exceptional and entirely natural, then the naturalist is left with no natural explanation for why it is so exceptional. However the teleologist may say that consciousness is exceptional, subject to the laws of physics, but unsurprising, since the laws of physics itself are directed to allow for consciousness. Since the teleological account does a better job at explaining something as special as consciousness, it is preferable.
This conclusion about preferring the teleological explanation to the naturalistic one is based on the absolute assumption that consciousness is exceptional. But how exceptional must it be? Since we are making physics, and presumably the rest of science, subject to our assumption, then the reasons for our assumptions must then be ontologically more basic and more certain than our entire scientific understanding of the world.
Personally I do not have any basis for thinking consciousness is so special that all of science must be made to account for it. From my perspective, claiming that science must conform to consciousness is a post hoc ergo propter hoc fallacy, since I’d have to arbitrarily assume consciousness to be a fundamental substance and science to be constructed to allow for it.
However, there could be people who do have beliefs that strong. For them, they would not be arbitrarily assuming consciousness to be the more fundamental substance in the universe and hence it would follow that science should conform to it. Instead it would be a direct causal link: consciousness, therefore science that teleologically allows for consciousness. This kind of teleological naturalism is special in that it does not appeal to the unlikelihood or complexity of consciousness evolving, as is wont to happen nowadays, but is based on an ontological claim about consciousness. I don’t know if this is more defensible than the Intelligibility Argument based on likelihood, but, as it is different, perhaps it has a chance to fair better.
One thought on “On Matthen’s Intelligibility Argument”
The preceding observations might suggest that the hard problem is invulnerable to scientific methods, but I believe that progress may be made by loosening a few of science’s self-imposed restrictions, many of which are relics of long discredited philosophies of science, such as naive empiricism and logical positivism. Consciousness is our opening to the world; it is the vehicle by which we experience anything. Therefore we cannot observe consciousness per se, since we observe through consciousness. Nevertheless, with practice we can identify characteristics of consciousness that are relatively independent of its content, and in this way separate them from its content.
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