Synonyms and Antonyms for reductio-ad-absurdum

1. reductio ad absurdum (n.)

(reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction

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2. Salah-ad-Din Yusuf ibn-Ayyub (n.)

sultan of Syria and Egypt; reconquered Jerusalem from the Christians in 1187 but was defeated by Richard Coeur de Lion in 1191 (1137-1193)

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3. reductio (n.)

(reduction to the absurd) a disproof by showing that the consequences of the proposition are absurd; or a proof of a proposition by showing that its negation leads to a contradiction

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4. ad-lib (adj.)

with little or no preparation or forethought

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5. ad-lib (v.)

perform without preparation

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6. ad-lib (adj.)

said or done without having been planned or written in advance

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7. ad-lib (n.)

remark made spontaneously without prior preparation

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9. AD (adv.)

in the Christian era; used before dates after the supposed year Christ was born

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