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GRAMMAR & WRITING SKILLS BOARD PAPER SOLUTIONS: 2019 2020
If B = {2, 3, 5, 6, 7} determine the truth value of∀ y ∈ B, such that (y - 5) ∈ N
For y = 2, y – 5 = 2 – 5 = –3 ∉ N.
∴ y = 2 does not satisfies the equation (y – 5) ∈ N.
∴ The given statement is false.
∴ It’s truth value is F.