Truth Table for Affirming the Consequent

August 12, 2011 No Comments

A simple interactive truth table for proving the validity of Affirming the Consequent

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Click ‘start’ to begin. Then click on the ‘P’ and ‘Q’ on the left to drag the truth-values to the atomic components of the sentences. You’ll see a T/F appear under each connective. Set the correct values and click on ‘Check’ to verify. When the table is completed, it will prompt you to highlight any rows with a false conclusion, and then circle the truth-values of the premises to verify if they are both true. If there are no rows with true premises and a false conclusion, it’s valid (by definition).

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Tags: , , , , , Affirming the Consequent, Conditional reasoning, Deduction, Propositional Logic, Tools

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