Which method of proof is generally more effective at identifying hidden or implicit assumptions of an argument?
A) Direct proof
B) Proof by induction
C) Proof by transposition
D) None of the answers is correct.

Question

Quizplus · Accepted Answer

Proof by transposition, also known as proof by contrapositive, involves examining the negation of the conclusion and proving the negation of the premise. This method forces us to consider the implicit assumptions of the argument and identify any hidden premises that may be necessary for the argument to hold. As a result, proof by transposition can be more effective at identifying hidden or implicit assumptions than direct proof or proof by induction.

Which Method of Proof Is Generally More Effective at Identifying