Problem 5. Order 9 of the following sentences so that they form a logical proof by contradiction of the statement: If the square of an integer is odd then the original integer is also odd. • Suppose n is an integer such that n² is even. • Therefore, n is odd • Ek € Z such that n = 2k+ 1. • Ek € Z such that n = 2k. • 3j € Z such that n² = 2 j • Presume that the given statement is incorrect. • Suppose n is odd. • n² = 4k² • Suppose n is even. • Son² is odd and n² is even. • Let n € Z such that n² is odd. • n² is even

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