If $F_1$, $F_2$ and $F_3$ are propositional formulae such that $F_1 \land F_2 \rightarrow F_3$ and $F_1 \land F_2 \rightarrow \sim F_3$ are both tautologies, then which of the following is true:
Answer by Deepak Sir . Very very important to understand the intricacies if this question.
Find correct logic, correct answer for this question here:
https://gateoverflow.in/526/Gate-cse-1991-question-03-xii?show=374238#a374238
B.
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