propositional logic

Question

Determine the truth value of each of these statements if
the domain consists of all integers.
a) ∀n(n + 1 > n)

b) ∃n(2n = 3n)

c) ∃n(n = −n)

d) ∀n(3n ≤ 4n)

Comments

Can anyone explain, please??

Answer 1

A) TRUE
B) TRUE when n = 0
C) TRUE when n = 0
D) FALSE when n is a negative number

Comments

@vignesh 1st one is true

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Yeah edited ..Thanks