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Question
Write the truth value of the following.
Milk is white if and only if sky is blue.
Sum
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Solution
Let p: Milk is white.
q: Sky is blue
Then the symbolic form of the given statement is p↔q.
The truth values of both p and q are T.
∴ The truth value of p↔q is T .......[T↔T ≡ T]
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