Single Idea 11071

[catalogued under 2. Reason / F. Fallacies / 1. Fallacy]

Full Idea

The fallacy of 'affirming the consequent' is of the form φ→ψ, ψ, so φ.

Gist of Idea

'Affirming the consequent' fallacy: φ→ψ, ψ, so φ

Source

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

Book Reference

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