Definition of reductio ad absurdum in English:

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reductio ad absurdum

Pronunciation: /rəˌdəktēō ad abˈsɜrdəm/

noun

Philosophy
A method of proving the falsity of a premise by showing that its logical consequence is absurd or contradictory.
Example sentences
  • Opposition to stem-cell research is the reductio ad absurdum of the right-to-life argument.
  • The argument that says no individual has power leads to a reductio ad absurdum.
  • For some reason, this strikes me as the reductio ad absurdum of the whole project.

Origin

Latin, literally 'reduction to the absurd'.

For editors and proofreaders

Syllabification: re·duc·ti·o ad ab·sur·dum

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