Propositional Equivalences


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Table of Contents

Tautologies, contradictions and contingencies

Simplest examples of a contingency, a tautology, and a contradiction

The definition of logical equivalence

Why logical equivalences are important

Useful logical equivalences

Example: Applying logical equivalences to derive a new equivalence

Conjunctions/disjunctions with many conjuncts/disjuncts

Other Lectures

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