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Single Idea 11070

[from 'Rationality and Logic' by Robert Hanna, in 2. Reason / F. Fallacies / 1. Fallacy ]

Full Idea

The fallacy of 'denying the antecedent' is of the form φ→ψ, ¬φ, so ¬ψ.

Gist of Idea

'Denying the antecedent' fallacy: φ→ψ, ¬φ, so ¬ψ

Source

Robert Hanna (Rationality and Logic [2006], 5.4)

Book Reference

Hanna,Robert: 'Rationality and Logic' [MIT 2006], p.141