A) a tautology
B) a contradiction
C) tautology and contradiction
D) neither a tautology nor a contradiction
Correct Answer: B
Solution :
Prepare a truth table for given operationp | q | \[\wedge p\] | \[\sim p\] | \[\wedge p\sim nq\] | \[\sim p\wedge q\] | \[(p\wedge q)\wedge (\sim p\wedge q)\] |
T | T | F | F | F | F | F |
T | F | F | T | T | F | F |
F | T | T | F | F | T | F |
F | F | T | T | F | F | F |
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