“reductio ad absurdum”的意思、由来-百科全书

reductio ad absurdum

logic

(Latin: “reduction to absurdity”), in logic, a form of refutation showing contradictory or absurd consequences following upon premises as a matter of logical necessity. A form of the reductio ad absurdum argument, known as indirect proof or reductio ad impossibile, is one that proves a proposition by showing that its denial conjoined with other propositions previously proved or accepted leads to a contradiction. In common speech the term reductio ad absurdum refers to anything pushed to absurd extremes.

词条	reductio ad absurdum
释义	reductio ad absurdum logic (Latin: “reduction to absurdity”), in logic, a form of refutation showing contradictory or absurd consequences following upon premises as a matter of logical necessity. A form of the reductio ad absurdum argument, known as indirect proof or reductio ad impossibile, is one that proves a proposition by showing that its denial conjoined with other propositions previously proved or accepted leads to a contradiction. In common speech the term reductio ad absurdum refers to anything pushed to absurd extremes.
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