I don't see how logic could not be our rational basis; rational discourse is destroyed without logic. — Lionino

What logic? Symbolic logic? Propositional logic? Dialectical logic? You are speaking of logic as if it were an objective reality, instead of a construct. There are political logics, aesthetic logics, sociological logics. Life is a synthesis of overlapping domains of thought, not one of which is privileged. The essence of dystopian fiction is in the enforcement of a single vision of life, to the exclusion of the rest.

The notion that you can encapsulate any meaning completely is illusory, and abstraction, perhaps an ideal. Symbolic logic, pushed to its logical limits, is just so much nomenclature. As soon as you attempt to link it to practical realities, its limitations appear.

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Even acquiescing that logic is a construct, there are laws of logic (and related) without which we cannot productively have discourse. Law of identity, non-contradiction, law of excluded middle, the possibility of analytic judgements, etc. It is perfectly fine that a construct is fundamental. Scientific discourse relies on non-contradiction, as does any discourse. — Lionino

Yep. There are rules of discourse. The law of non-contradiction doesn't apply to dialectical logic in any non-trivial sense, since dialectics assumes that opposing viewpoints can reach a synthesis. More generally, the "rules" exist in order to facilitate social interactions, which are themselves the bases of the meanings of our existence. So the laws of reasonable discourse are in aid of reasonable social interactions, not the determinants of them.

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Whether there is a society around me or not, I can reason — Lionino

Yes. And everything that you might think about will relate to the human existence of being part of a collective. We relate to the universe through the mechanism of our evolution. Those are the only laws that matter. People conducted the business of life long before there was any concept of logic.

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:ok:

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