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Propositional fallacies
RELATED ARTICLES
Explain
⌅
Fallacies
Fallacies☜A fallacy is incorrect argumentation in logic and rhetoric resulting in a lack of validity, or more generally, a lack of soundness – and, where applicable, you can use Pointer cross-relations from ideas on other maps to indicate that the idea is fallacious (and why). ☜F1CEB7
■
Propositional fallacies
Propositional fallacies☜☜FFB597
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Affirming a disjunct
Affirming a disjunct☜Affirming a disjunct – concluded that one logical disjunction must be false because the other disjunct is true; A or B; A; therefore not B.☜59C6EF
↳
Affirming the consequent
Affirming the consequent☜Affirming the consequent – the antecedent in an indicative conditional is claimed to be true because the consequent is true; if A, then B; B, therefore A.☜59C6EF
↳
Denying the antecedent
Denying the antecedent☜Denying the antecedent – the consequent in an indicative conditional is claimed to be false because the antecedent is false; if A, then B; not A, therefore not B.☜59C6EF
□
Non sequiturs
Non sequiturs☜A formal fallacy is an error in logic that can be seen in the arguments form without an understanding of the arguments content. All formal fallacies are specific types of non sequiturs.☜FFB597
□
Informal fallacies
Informal fallacies☜Informal fallicies – arguments that are fallacious for reasons other than structural (formal) flaws and which usually require examination of the arguments content.☜FFB597
□
Faulty generalizations
Faulty generalizations☜Faulty generalizations – reach a conclusion from weak premises. Unlike fallacies of relevance, in fallacies of defective induction, the premises are related to the conclusions yet only weakly buttress the conclusions. A faulty generalization is thus produced. ☜FFB597
□
Formal syllogistic fallacies
Formal syllogistic fallacies☜Syllogistic fallacies – logical fallacies that occur in syllogisms.☜FFB597
□
Red herring fallacies
Red herring fallacies☜Red herring – argument given in response to another argument, which is irrelevant and draws attention away from subject of argument.☜FFB597
□
Quantificational fallacies
Quantificational fallacies☜☜FFB597
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Conditional or questionable fallacies
Conditional or questionable fallacies☜☜FFB597
□
Graph of this discussion
Graph of this discussion☜Click this to see the whole debate, excluding comments, in graphical form☜dcdcdc
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David Price
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Entry date (GMT):
12/6/2011 7:44:00 PM
Last edit date (GMT):
12/6/2011 7:44:00 PM
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