reductio ad absurdum
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English[edit]
Noun[edit]
reductio ad absurdum
- (mathematics, logic) The method of proving a statement by assuming the statement is false and, with that assumption, arriving at a blatant contradiction.
Synonyms[edit]
Translations[edit]
proof by contradiction — see proof by contradiction
Latin[edit]
Etymology[edit]
Possibly a loose translation of the Ancient Greek ἡ εἰς τὸ ἀδύνατον ἀπόδειξις (hē eis tò adúnaton apódeixis, “demonstration towards the impossible”).
Noun[edit]
reductiō ad absurdum f sg (genitive reductiōnis ad absurdum); third declension
Declension[edit]
Third-declension noun with an indeclinable portion, singular only.
Case | Singular |
---|---|
Nominative | reductiō ad absurdum |
Genitive | reductiōnis ad absurdum |
Dative | reductiōnī ad absurdum |
Accusative | reductiōnem ad absurdum |
Ablative | reductiōne ad absurdum |
Vocative | reductiō ad absurdum |