Problem

The following “proof” that every integer is rational is incorrect. Find the mistake.“Proof...

The following “proof” that every integer is rational is incorrect. Find the mistake.

“Proof (by contradiction): Suppose not. Suppose every integer is irrational. Then the integer 1 is irrational. But 1 = 1/1, which is rational. This is a contradiction. [Hence the supposition is false and the theorem is true.]

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Solutions For Problems in Chapter 4.6