2011 December UGC NET Paper 1

Question 13

If the proposition “Vegetarians are not meat eaters” is false, then which of the following inferences is correct? Choose from the codes given below:

“Some vegetarians are meat eaters” is true.
“All vegetarians are meat eaters” is doubtful.
“Some vegetarians are not meat eaters” is true.
“Some vegetarians are not meat eaters” is doubtful.

Codes:

A	1, 2 and 3
B	2, 3 and 4
C	1, 3 and 4
D	1, 2 and 4

Logical-ReasoningSquare-of-opposition

Question 13 Explanation:

Vegetarians are not meat eaters means that vegetarians are meat eaters.
Statement 1, 2, 3 are correct. There is no guarantee that some vegetarians are not meant eaters.

Correct Answer: A

Question 13 Explanation:

Vegetarians are not meat eaters means that vegetarians are meat eaters.
Statement 1, 2, 3 are correct. There is no guarantee that some vegetarians are not meant eaters.