Argument from perpetual identity against naturalism.

[genkaus]

If naturalism was true, humans in general would not know they are perpetual identity.
Humans in general do know they are a perpetual identity.
Therefore naturalism is not true.

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I will elaborate tomorrow on the two premises. But before that, will let people weigh in their thoughts.

First you need to establish that humans are a perpetual identity before you can establish that they know they are a perpetual identity. And simply saying that they regard it as such is not sufficient. I, for one, believe that I'm not the same person I was 10 years ago.

You'd need to address Theseus' paradox (ship of Theseus) before you can establish your premises and proceed with the argument.