Question

Which term best describes a proof in which you assume the opposite of what you want to prove? A. Proof by syllogism B. Proof by contradiction C. Proof by contrapositive D. Proof by converse

Answer 1

That is Proof by Contradiction.
The famous one is  the proof of the square root of 2 is irrational . First done by Euclid

Answer 2

Answer: B. Proof by contradiction

Step-by-step explanation:

• A proof by contradiction states the truth of a given statement by the assuming that it is false and following by finding a conclusion that is contradictory to the given proposition that is proven to be true.

Hence, the term best describes a proof in which we assume the opposite of what we want to prove is "Proof by contradiction ".