Origin of reductio ad absurdumL, reduction to absurdity
reductio ad absurdumre·duc·ti·o ad ab·sur·dum
reductio ad absurdum
nounpl. re·duc·ti·o·nes ad absurdum,
Origin of reductio ad absurdumMedieval Latin reductiō ad absurdum Latin reductiō a bringing back, reduction Latin ad to Latin absurdum absurdity from neuter of absurdus absurd
- (mathematics, logic) The method of proving a statement by assuming the statement is false and, with that assumption, arriving at a blatant contradiction.