Let P, Q, R be true, false true, respectively, which of the following is true?
(a) P∧Q∧R
(b) P∧~Q∧~R
(c) Q->(P∧R)
(d) P->(Q∧R)
This question was addressed to me in an interview for internship.
This is a very interesting question from Logics topic in portion The Foundation: Logics and Proofs of Discrete Mathematics