Let m Z.(a) Give a direct proof of the following: If 3
Chapter 4, Problem 4.3(choose chapter or problem)
Let m Z.(a) Give a direct proof of the following: If 3 | m, then 3 | m2.(b) State the contrapositive of the implication in (a).(c) Give a direct proof of the following: If 3| m, then 3| m2.(d) State the contrapositive of the implication in (c).(e) State the conjunction of the implications in (a) and (c) using if and only if.
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