Question

Mathematical induction

Answer 1

Is the direct proof has two steps.To prove the given statement having well-orderd step.the two steps are basis and inductive steps 

Answer 2

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Mathematical induction is a mathematical proof technique. It is essentially used to prove that a statement P(n) holds for every natural number n = 0, 1, 2, 3.. .; that is, the overall statement is a sequence of infinitely many cases P, P, P,