Math, asked by hari1991, 5 months ago

A premise may be introduced at any point in the derivation is called​

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Answered by umasri66
8

Answer:

Given this, is there any way we could use the proof method to show that a statement is a tautology? Yes. If a statement can be derived from no premises, then we know that that statement follows from anything, it will follow from any set of premises.

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