Search for tag: "negation"

Truth Tables for the Logical Operators

This video explains the truth tables for each of the five operators in sentential logic.

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UsingTruthTables

This video shows how to use truth tables to assess logical concepts such as tautology, contradiction, contingency, logical equivalence, consistency, and validity.

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More Proofs Using Subproofs

Dr. Smith works through two more examples of proofs using the subproof method.

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From  Nathan Smith 0 likes 0