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    Fictional names like 'Romeo' lack referents in actual rea... — Carmelics
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    Supports→Universal instantiation from '∀x∀y[L(x,y)]' presupposes a fixed, uniform domain, but names like 'Romeo' may fail to rigidly refer to any actual domain element.

    Fictional names like 'Romeo' lack referents in actual reality, so instantiating quantified formulas with them violates the domain-theoretic foundations of first-order logic.

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    Universal instantiation from '∀x∀y[L(x,y)]' presupposes a fixed, uniform domain,...

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    Universal instantiation from '∀x∀y[L(x,y)]' presupposes a fixed, uniform domain,...

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