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Single Idea 11088

[filed under theme 2. Reason / F. Fallacies / 1. Fallacy ]

Full Idea

Informal fallacies: appeals to force, circumstantial factors, ignorance, pity, popular consensus, authority, generalisation, confused causes, begging the question, complex questions, irrelevance, equivocation, black-and-white, slippery slope etc.

Gist of Idea

We can list at least fourteen informal fallacies

Source

Robert Hanna (Rationality and Logic [2006], 7.3)

Book Ref

Hanna,Robert: 'Rationality and Logic' [MIT 2006], p.218


The 8 ideas with the same theme [distinctive types of recurrent error in human reasoning]:

Induction assumes some uniformity in nature, or that in some respects the future is like the past [Ayer]
The Struthionic Fallacy is that of burying one's head in the sand [Quine]
It is a fallacy to explain the obscure with the even more obscure [Hale/Wright]
'Reification' occurs if we mistake a concept for a thing [Schaffer,J]
'Denying the antecedent' fallacy: φ→ψ, ¬φ, so ¬ψ [Hanna]
'Affirming the consequent' fallacy: φ→ψ, ψ, so φ [Hanna]
We can list at least fourteen informal fallacies [Hanna]
Fallacies are errors in reasoning, 'formal' if a clear rule is breached, and 'informal' if more general [PG]