Deduction theorem

English

Noun

1. Template:Lb A procedure for "discharging" assumptions from an inference, causing them to become antecedents of the conclusion; or vice versa. Symbolically, the conversion of an inference of the form $P,A⊢C$ to an inference of the form $P⊢A\to C$ or vice versa, where $⊢$ is the turnstile symbol. The validity of the procedure is a metatheorem of the given logical theory.

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See also

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