In informal logic, Reductio ad absurdum is a term used for a type of valid argument that disproves a statement by proving that it implies an absurd statement[1][2]. In mathematics, arguments of this sort are usually a Proof by contradiction.

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  1. Bennet, B. Reductio ad Absurdum. Retrived from
  2. Reductio ad absurdum (argument). Retrieved January 27, 2017 from

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