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Affirming The Consequent

November 25th, 2009

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Affirming The Consequent

classification : informal – Non-sequitur

Affirming the consequent argues backward from the truth of a conclusion to the truth of one of the propositions like this.


Together with its similar Sub fallacy, Denying the Antecedent, instances of Affirming the Consequent are most likely to seem valid when we assume the converse of the argument’s conditional premise.

Note: On Sophistical Refutations – Translated by W. A. Pickard-Cambridge

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Categories: Logic