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reductio ad absurdum
reductio ad absurdum definition
re·duc·tio· ad ab·sur·dum (ri duk′tē ō′ ad ab sʉr′dəm, -s̸hē ō′)
Logic the proof of a proposition by showing its opposite to be an obvious falsity or self-contradiction, or the disproof of a proposition by showing its consequences to be impossible or absurd
Etymology: L, reduction to absurdity
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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