Reductio ad Absurdum

Category
General Thinking Tools
Description
The crowbar of rational inquiry, the great lever that enforces consistency, is reductio ad absurdum—literally, reduction (of the argument) to absurdity. You take the assertion or conjecture at issue and see if you can pry any contradictions (or just preposterous implications) out of it. If you can, that proposition has to be discarded or sent back to the shop for retooling.
Person
Resource Datasbase
Source
Philosopher Daniel Dennett's Book Intuition Pumps