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> "Are these two things equivalent?" has an unambiguous answer regardless of whether the things are of different types.

Absolutely not; that's basically the OG subjective question whose lack of an obvious right answer underpins a substantial quantity of the bugs in less strongly-typed languages.

Nor is an unambiguous answer possible symbolically, or in common logic, or the semantics of spoken languages.




I think you stopped reading before my next sentence, which says the answer is "false" if the types are different.




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