Question

Write the truth value of the following.

If 3 × 5 = 8 then 3 + 5 = 15.

Answer 1

Let p: 3 × 5 = 8
      q: 3 + 5 = 15
Then the symbolic form of the given statement is p→q.
The truth values of both p and q are F.
∴ The truth value of p→q is T ........[F→F ≡ T]