Definition of Reductio

1. Noun. (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.

Exact synonyms: Reductio Ad Absurdum
Generic synonyms: Disproof, Falsification, Refutation

Lexicographical Neighbors of Reductio

reducing diet
reducing enzyme
reducing sugar
reducing sugars
reducing valve
reduct
reductant
reductants
reductase
reductases
reducted
reductibilities
reductibility
reductic acid
reducting
reductio (current term)
reductio ad Hitlerum
reductio ad absurdum
reduction
reduction division
reduction gear
reduction in force
reduction mammaplasty
reduction nucleus
reduction potential
reduction to the absurd

Literary usage of Reductio

Below you will find example usage of this term as found in modern and/or classical literature:

1. The Theory of Development: A Criticism of Dr. Newman's Essay on the by James Bowling Mozley (1878)
"We must be allowed to say here that the reductio ad absurdum, ... In the present instance we shall only ask, would it be a reductio ad absurdum of the ..."

2. Argumentation and Debating by William Trufant Foster (1917)
"reductio ad Absurdum. It is sometimes possible to show the absurdity of an argument by a ... This method of refutation is called reductio ad Absurdum. ..."

3. Argumentation and Debating by William Trufant Foster (1908)
"reductio ad Absurdum. — It is sometimes possible to show the absurdity of an argument by a ... This method of refutation is called reductio ad Absurdum. ..."

4. Argumentation and Debating by William Trufant Foster (1908)
"I. reductio ad Absurdum. — It is sometimes possible to show the absurdity of an argument by a ... This method of refutation is called reductio ad Absurdum. ..."

5. Cap and Gown: Some College Verse by Joseph Le Roy Harrison (1893)
"... reductio AD ABSURDUM. ('\f every ill is love the cure, Howe'er so great that ill may be ; But if thy ill be love itself, Alas, no cure is left for thee ..."

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