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Syllogistic fallacies – logical fallacies that occur in syllogisms. Affirmative conclusion from a negative premise (illicit negative) – a categorical syllogism has a positive conclusion, but at least one negative premise. [11] Fallacy of exclusive premises – a categorical syllogism that is invalid because both of its premises are negative ...
A false dilemma, also referred to as false dichotomy or false binary, is an informal fallacy based on a premise that erroneously limits what options are available. The source of the fallacy lies not in an invalid form of inference but in a false premise.
Making jumps in logic (non sequitur) Identifying a false cause and effect (post hoc ergo propter hoc) Asserting that everyone agrees (argumentum ad populum, bandwagoning) Creating a false dilemma (either-or fallacy) in which the situation is oversimplified, also called false dichotomy; Selectively using facts (card stacking)
fallacy of four terms A logical fallacy in syllogistic logic where a syllogism includes four (rather than the requisite three) distinct terms, making the argument invalid. false dichotomy An informal fallacy that presents two options as the only possibilities when in fact more possibilities exist. false dilemma
Hasty generalization is the fallacy of examining just one or very few examples or studying a single case and generalizing that to be representative of the whole class of objects or phenomena. The opposite, slothful induction , is the fallacy of denying the logical conclusion of an inductive argument, dismissing an effect as "just a coincidence ...
A false dilemma is a fallacy of presumption based on a false disjunctive claim that oversimplifies reality by excluding viable alternatives. [16] [12] For example, a false dilemma is committed when it is claimed that "Stacey spoke out against capitalism, therefore she must be a communist". One of the options excluded is that Stacey may be ...
Argument from fallacy is the formal fallacy of analyzing an argument and inferring that, since it contains a fallacy, its conclusion must be false. [1] It is also called argument to logic (argumentum ad logicam), the fallacy fallacy, [2] the fallacist's fallacy, [3] and the bad reasons fallacy.
The appeal to novelty (also called appeal to modernity or argumentum ad novitatem) is a logical fallacy in which one prematurely claims that an idea or proposal is correct or superior, exclusively because it is new and modern. [1] In a controversy between status quo and new inventions, an appeal to novelty argument is not in itself a valid ...