NET, IAS, State-SET (KSET, WBSET, MPSET, etc.), GATE, CUET, Olympiads etc.: Philosphy MCQs (Practice_Test 10 of 90)
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- Consider the proof:
- p- (q-r) P
- ~s- (r-t) P
- p-s P
- ~s p/-q-t
- ~p
- q-r
- q-t
- q-t
- Steps: 1 and 5: Disjunctive syllogism, 2 and 4: Modus Ponens, 3 and 4: Modus Tollens, 6 and 7: Hypothetical Syllogism. Which of the above steps are correct?
- 1,2 and 3
- 2,3 and 4
- 1,3 and 4
- 1,2, 3 and 4
- From which one of the following is logically derived?
- (R-T) (Q-R) .
- (S-T) . ~R. ~S
- (R T) - ~T
- (S R) ~S
- Consider the following arguments:
- Either the Principal has not noticed the change in the schedule of admissions or he approves of it. He has actually noticed the change. He has approved of it.
- Either the Principal has not noticed the change in the schedule of admissions or he approves of it. He approves of it. He has noticed it.
- Either the Principal has not noticed the change in the schedule of admissions or he approves of it. He has not approved of it. He has not noticed it.
- Either the Principal has not noticed the change in the schedule of admissions, or he approves of it. He has not noticed it. He has not approved of it.
- Which of the above statements are valid?
- 1,2 and 4
- 2,3 and 4
- 3 and 4
- 1 and 3
- Which one of the following an be validly deduced from the premises S-T and S-T?
- T
- ~T
- ~S
- S