Question

0. (a) Express the following statement in words: ∀n ∈ {3, 4, 5,...}, ∃a1, a2,..., an...

0. (a) Express the following statement in words: ∀n ∈ {3, 4, 5,...}, ∃a1, a2,..., an ∈ N with
a1 < a2 < ··· < an such that 1//a1 + 1/a2 + . . . + 1/an = 1

(b) Express in words the negation of the statement in (a).

(c) Determine, with proof, which one of the statements in (a) and (b) is true

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