formal fallacy
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Formal fallacy — In philosophy, a formal fallacy or a logical fallacy is a pattern of reasoning which is always wrong. This is due to a flaw in the structure of the argument which renders the argument invalid. A formal fallacy is contrasted with an informal… … Wikipedia
formal fallacy — noun : a violation of any rule of formal inference called also paralogism; contrasted with material fallacy and verbal fallacy; compare affirmation of the consequent, denial of the antecedent, ignoratio elenchi, illicit process … Useful english dictionary
formal fallacy — noun A pattern of reasoning which is always wrong, due to a flaw in the structure of the argument. Ant: informal fallacy … Wiktionary
Fallacy — In logic and rhetoric, a fallacy is usually incorrect argumentation in reasoning resulting in a misconception or presumption. By accident or design, fallacies may exploit emotional triggers in the listener or interlocutor (appeal to emotion), or… … Wikipedia
fallacy — Synonyms and related words: Albigensianism, Arianism, Catharism, Ebionitism, Erastianism, Gnosticism, Jovinianism, Lollardy, Manichaeanism, Manichaeism, Monophysism, Monophysitism, Pelagianism, Waldensianism, Wyclifism, aberrancy, aberration,… … Moby Thesaurus
Fallacy of exclusive premises — The fallacy of exclusive premises is a formal fallacy committed in a categorical syllogism that is invalid because both of its premises are negative. Example: : No mammals are fish. : Some fish are not whales. : Therefore, some whales are not… … Wikipedia
FALLACY — arguments which seem correct but upon examination prove false. They are arguments which are PSYCHOLOGICALLY persuasive but logically wrong through mistakes in relating, inferring, or concluding, while reasoning. TRADITIONAL logic identified… … Concise dictionary of Religion
fallacy — /fal euh see/, n., pl. fallacies. 1. a deceptive, misleading, or false notion, belief, etc.: That the world is flat was at one time a popular fallacy. 2. a misleading or unsound argument. 3. deceptive, misleading, or false nature; erroneousness.… … Universalium
fallacy, formal and informal — In philosophy, reasoning that fails to establish its conclusion because of deficiencies in form or wording. Formal fallacies are types of deductive argument that instantiate an invalid inference pattern (see deduction; validity); an example is… … Universalium
Formal proof — See also: mathematical proof, proof theory, and axiomatic system A formal proof or derivation is a finite sequence of sentences (called well formed formulas in the case of a formal language) each of which is an axiom or follows from the… … Wikipedia
fallacy — Any error of reasoning. Reasoning may fail in many ways, and a great variety of fallacies have been distinguished and named. The main division is into formal fallacies in which something purports to be deductively valid reasoning but is not, and… … Philosophy dictionary
