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  3. let p(n) := ” if n^3 is odd then n is also odd.�

Let P(n) := ” If n^3 is odd then n is also odd.” I.e., if...

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Advance Math

Let P(n) := ” If n^3 is odd then n is also odd.” I.e., if ?k ?Z, n3 = 2k + 1, ?b ? Z, n = 2b + 1

a) Prove P(n) by contraposition

b) Prove P(n) contradiction

c) Prove P(n) using induction

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