reductio Definition
a method of proving the falsity of a premise by showing that its logical consequence is absurd or contradictory.
Using reductio: Examples
Take a moment to familiarize yourself with how "reductio" can be used in various situations through the following examples!
Example
The philosopher used reductio to demonstrate the fallacy in his opponent's argument.
Example
The reductio of the theory led to its abandonment.
Example
The reductio ad absurdum showed that the hypothesis was untenable.
reductio Synonyms and Antonyms
Synonyms for reductio
- reduction ad absurdum
- argumentum ad absurdum
Phrases with reductio
a proof that demonstrates the falsity of a premise by showing that its logical consequence is absurd or contradictory
Example
The mathematician used proof by reductio ad absurdum to solve the problem.
reductio ad Hitlerum
an attempt to refute an opponent's argument by comparing it to something that Adolf Hitler did or said
Example
The politician's argument was dismissed as reductio ad Hitlerum.
a form of argumentation where a point is repeated over and over again until no one cares to argue against it anymore
Example
The debater used reductio ad nauseam to wear down his opponent.
Origins of reductio
from Latin 'reducere', meaning 'to lead back'
Summary: reductio in Brief
'Reductio' [ri-duhk-shuh] is a noun that refers to a method of proving the falsity of a premise by showing that its logical consequence is absurd or contradictory. It is often used in philosophy, mathematics, and logic. Examples include 'The philosopher used reductio to demonstrate the fallacy in his opponent's argument.' and 'The reductio ad absurdum showed that the hypothesis was untenable.'