Formal fallacy

Deductive argument that is invalid due to faulty reasoning, regardless of the truthiness of the conclusion

Nº Q962165 ★★

Uncommon · Knowledge

Formal fallacy

Deductive argument that is invalid due to faulty reasoning, regardless of the truthiness of the conclusion

In logic and philosophy, a formal fallacy is a pattern of reasoning with a flaw in its logical structure (the logical relationship between the premises and the conclusion). A formal fallacy is contrasted with an informal fallacy. A formal fallacy must have an invalid logical form and thus be unsound.

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From Wikipedia

In logic and philosophy, a formal fallacy is a pattern of reasoning with a flaw in its logical structure (the logical relationship between the premises and the conclusion). A formal fallacy is contrasted with an informal fallacy. A formal fallacy must have an invalid logical form and thus be unsound. An informal fallacy, however, may have a valid logical form and yet be unsound because one or more premises are false. An argument can be both a formal fallacy and an informal fallacy. In everyday conversation, the term logical fallacy usually refers to a formal fallacy.

Text: Wikipédia, CC BY-SA 4.0. · Image: SkepticalScience (CC BY-SA 4.0) ·

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