LATIN DICTIONARYLexicon Latīnum
nounthird declension

reductiō ad absurdum

reductiō ad absurdum f sg (genitive reductiōnis ad absurdum)

Meaning

  1. reductio ad absurdum; reduction to the absurd

Declension

declension
formsingularplural
nominativereductiō ad absurdum—
genitivereductiōnis ad absurdum—
dativereductiōnī ad absurdum—
accusativereductiōnem ad absurdum—
ablativereductiōne ad absurdum—
vocativereductiō ad absurdum—

Origins

Possibly a loose calque of Ancient Greek ἡ εἰς τὸ ἀδύνατον ἀπόδειξις (hē eis tò adúnaton apódeixis, “demonstration towards the impossible”).

Quick answers

What does reductiō ad absurdum mean in Latin?
reductiō ad absurdum, a noun, means “reductio ad absurdum; reduction to the absurd”.
What is the genitive of reductiō ad absurdum?
The genitive singular is reductiōnis ad absurdum. reductiō ad absurdum is third declension.