Which of the following is correct regarding the methods of proving validity in Propositional Logic

1.The Rule of LP. (Indirect Proof) could be used to prove the validity of argument form

2.Reductio- Ad- Absurdum could be used to prove the inconsistency of premises.

3.The Rule of conditional proof could be used for only such Argument forms whose conclusion is a conditional statement

4.The strengthened Rule of conditional proof permits any assumption of limited scope.

A1, 2, 3

B1, 2, 3, 4

C2, 3, 4

D1, 3, 4

🔒 Answer hidden — practise on Mcqkart to check yourself and see the explanation.

Want more like this? Create a free account to practise a full test, track your progress, and get spaced-repetition review.