noun, plural fal·la·cies.
- falla, manuel de,
- fallacy of composition,
- fallacy of division,
- fallacy of many questions,
Origin of fallacy
Examples from the Web for fallacies
These are the facts to rebut just a few of the fallacies I read on a daily basis about our party.
Masood Aziz outlines six fallacies they perpetuate about the US engagement in Afghanistan.
But this post-partisan dream, it turns out, rested on two fallacies.
Fallacies of this description are the great stumbling-block to correct thinking in political economy.
Almost all fallacies, therefore, might in strictness be brought under our fifth class, Fallacies of Confusion.
The above classification of Fallacies is a rearrangement of the plans adopted by Whately and Mill.Logic|Carveth Read
Fallacies of different orders often herd or cluster together in this fashion, one smoothing the way for another.
The audience sat listless as the old arguments and recriminations, the old facts and fallacies, were laid before them.The Conquest of America|Cleveland Moffett
noun plural -cies
Word Origin for fallacy
late 15c., "deception, false statement," from Latin fallacia "deception," noun of quality from fallax (genitive fallacis) "deceptive," from fallere "deceive" (see fail (v.)). Specific sense in logic dates from 1550s. An earlier form was fallace (c.1300), from Old French fallace.
A false or mistaken idea based on faulty knowledge or reasoning. For example, kings who have divorced their wives for failing to produce a son have held to the fallacy that a mother determines the sex of a child, when actually the father does. (See sex chromosomes.)