Definition:Fallacy
From ProofWiki
Definition
A (logical) fallacy is a mistake caused by an application of an invalid argument.
Logical fallacies abound. Most of the documented fallacies that can be found in the literature arise from linguistic imprecision or deliberately misleading statements, or both. Frequently the commission of fallacies is as deliberate as the telling of lies.
Sources
- Donald Kalish and Richard Montague: Logic: Techniques of Formal Reasoning (1964): $\text{I}: \S 4$