A formal argument, proof, or piece of evidence, especially in logic, philosophy, or classical rhetoric; a specific line of reasoning.
Latin argumentum meaning 'argument, proof, or evidence' from arguere meaning 'to make clear or prove.' Used throughout European philosophy and logic in its original Latin form.
Argumentum appears in famous Latin phrases like 'argumentum ad hominem' (attacking the person rather than the argument), which shows how ancient Romans already knew people were prone to dirty debate tricks.
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