htm , where you would have been able to read: Reductio ad absurdum is a mode of argumentation that seeks to establish a contention by deriving an absurdity from its denial, thus arguing that a thesis must be accepted because its rejection would be untenable. It is a style of reasoning that has been employed throughout the history of mathematics and philosophy from classical antiquity onwards. )
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.