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Equivocation is calling two different things by the same name.

It results from using a word in two or more senses in the same argument.

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Common fallacies (list)

Formal

In propositional logic	Affirming a disjunct Affirming the consequent Denying the antecedent Argument from fallacy Masked man Mathematical fallacy
In quantificational logic	Existential Illicit conversion Proof by example Quantifier shift
Syllogistic fallacy	Affirmative conclusion from a negative premise Negative conclusion from affirmative premises Exclusive premises Existential Necessity Four terms Illicit major Illicit minor Undistributed middle

Equivocation

Question-begging

Correlative-based

Illicit transference

Secundum quid

Faulty generalization

Questionable cause

Appeals

Consequences	Argumentum ad baculum Wishful thinking
Emotion	Children Fear Flattery Novelty Pity Ridicule In-group favoritism Invented here / Not invented here Island mentality Loyalty Parade of horribles Spite Stirring symbols Wisdom of repugnance

Ad hominem	Appeal to motive Association Reductio ad Hitlerum Godwin's law Reductio ad Stalinum Bulverism Poisoning the well Tone Tu quoque Whataboutism
Authority Accomplishment Ipse dixit Poverty / Wealth Etymology Nature Tradition / Novelty Chronological snobbery

Other fallacies
of relevance

Arguments	Ad nauseam Sealioning Argument from anecdote Argument from silence Argument to moderation Argumentum ad populum