The proof by ____ approach assumes that a conclusion is true and shows that the assumption leads to an impossible situation.
A) contradiction
B) inference
C) deduction
D) impossibility

Question

Quizplus · Accepted Answer

The contradiction approach (also known as reductio ad absurdum) takes an assumption or hypothesis and shows that it leads to a logical contradiction, proving the assumption false and the opposite (negation) true.

The Proof by ____ Approach Assumes That a Conclusion Is