Title English:
proof by contradiction
Definition English:
In logic, proof by contradiction is a form of proof, and more specifically a form of indirect proof, that establishes the truth or validity of a proposition by showing that the proposition's being false would imply a contradiction. Proof by contradiction is also known as indirect proof, apagogical argument, proof by assuming the opposite, and reductio ad impossibilem. It is a particular kind of the more general form of argument known as reductioad absurdum.
Title Arabic:
برهان بالنقيض
Domain:
International Instruments
Subject:
Acts
InformationType:
Term
SourceSymbol:
language staff
Link: