If B = {2, 3, 5, 6, 7} determine the truth value of ∃ n ∈ B, such that 2n + 2 < 4.

EXERCISE 1.5Q 2.3    PAGE 12
Exercise 1.5 | Q 2.3 | Page 12

If B = {2, 3, 5, 6, 7} determine the truth value of
∃ n ∈ B, such that 2n + 2 < 4.


SOLUTION

There is no n in B which satisfies 2n + 2 < 4.

∴ The given statement is false.

∴ It’s truth value is F.


Mathematical Logic