0 votes 0 votes The question has a main statement followed by four statements labelled A, B, C and D. Choose the ordered pair of statements where the first statement implies the second, and the two statements are logically consistent with the main statement. If I talk to my professors, then I do not need to take a pill for headache. I talked to my professors. I did not need to take a pill for headache. I needed to take a pill for headache. I did not talk to my professors. AB only DC only CD only AB and CD Logical Reasoning logical-reasoning cat1999 + – go_editor asked May 15, 2016 go_editor 13.8k points 698 views answer comment Share See all 0 reply Please log in or register to add a comment.
Best answer 3 votes 3 votes P = I talk to my professors Q = I do not need to take a pill for headache. Therefore, both AB(P ⇒ Q) and CD(neg Q ⇒ neg P) are logically consistent, not BA and DC. Hence Option$:(4) \; \text{AB and CD}$ is the correct answer choice. Leen Sharma answered May 15, 2016 edited Jun 19, 2022 by Anjana5051 Leen Sharma 11.5k points comment Share See all 0 reply Please log in or register to add a comment.