There are almost no just-plain-true (or false) facts in the macroscopic natural world. We’ve engineered our environment to support deductive reasoning, which doesn’t work in nature. Text from Elijah Millgram’s _Hard Truths_pic.twitter.com/e6HLMSjpb3
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Well… having looked into the matter in some detail, I think that as a matter of science, you are mistaken. HIV is polyphyletic; the only criterion for inclusion in the taxon is that it infects humans (not other primates).
So "HIV refers to a questionable list of viruses" is now an ontological issue?
It’s ontological in that the issue is that there is no Truth about whether a particular virus counts as HIV. If there were a Truth, but we had difficulty knowing that Truth, it would be epistemological.
Oh, and also it has to result in immunodeficiency syndrome. SIV strains that infect humans harmlessly don’t count has HIV.
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