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Common Fallacies

Fallacy Translation Definition Symbolic
Post hoc ergo propter hoc After this, therefore because of this Confuses temporal succession with causation. ↗
Cum hoc ergo propter hoc With this, therefore because of this The classic correlation vs. causation. ↗
Ignoratio elenchi Ignorance of refutation Proves or disproves an irrelevant matter, rather than addressing the argument. ↗
Petitio principii Begging the question Assumes what is attempting to be proven. ↗
Argumentum ad hominem Argument to the person Attacks the one making an argument, rather than addressing it. ↗
Argumentum ad ignorantiam Argument from ignorance Asserts a proposition true, if it is not yet disproven (or vice versa). ↗
Argumentum ad verecundiam Argument to reverence Relies on the opinion of an authority, avoiding presentation of any reason. ↗
Argumentum ad populum Argument to the people Claims truth or good of something out of its popularity alone. ↗
Argumentum ad baculum Argument to the stick Appeals to force or threat, rather than reason. ↗
Argumentum ad misericordiam Argument to pity Appeals to pity or compassion, rather than relevance. ↗
Tu quoque You too Discredits an argument out of the relevant hypocrisy of the one presenting it. ↗

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