| Fallacy | Fallacy of necessity |
|---|---|
| Definition and Examples | Fallacy where a degree of unwarranted inevitability is placed in the conclusion based on the inevitability of its premises. a) Bachelors are necessarily unmarried. b) John is a bachelor. Therefore, c) John cannot marry. The condition a) appears to be a tautology and therefore true. The condition b) is a statement of fact about John which makes him subject to a); that is, b) declares John a bachelor, and a) states that all bachelors are unmarried. Ex: a) Vegetarians neccesarily cannot eat meat. b) You are a vegetarian c) Therefore, you can not eat meat (obviously I could eat whatever I want) |
Tags: fallacies, logic
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