formal fallacy

Noun

Meaning

formal fallacy (plural formal fallacies)

(logic) A pattern of reasoning which is always wrong, due to a flaw in the structure of the argument.
Antonym: informal fallacy
Hypernyms: fallacy, logical fallacy

Source: en.wiktionary.org

Synonyms

hysteron proteron paralogism

Examples

Affirming the consequent, sometimes called converse error, fallacy of the converse or confusion of necessity and sufficiency, is a formal fallacy of inferring the converse from the original statement. Source: Internet

An argument that contains a formal fallacy will always be invalid. Source: Internet

Begging the question is not considered a formal fallacy (an argument that is defective because it uses an incorrect deductive step ). Source: Internet

By extension, an argument can contain a formal fallacy even if the argument is not a deductive one: for instance, an inductive argument that incorrectly applies principles of probability or causality can be said to commit a formal fallacy. Source: Internet

Cold War In the Cold War context, the term was and is most commonly used by anti-Communists as an accusation of formal fallacy for leftist criticisms of United States foreign policy and military conduct. Source: Internet

The presence of a formal fallacy in a deductive argument does not imply anything about the argument's premises or its conclusion. Source: Internet

Close letter words and terms

formal education formal equivalence formal event formal garden formal grammar formal hall