Consider the statement For all real numbersr, ifr2 is
Chapter 4, Problem 4.245(choose chapter or problem)
Consider the statement For all real numbersr, ifr2 is irrational then r is irrational. a. Write what you would suppose and what you would need to show to prove this statement by contradiction. b. Write what you would suppose and what you would need to show to prove this statement by contraposition.
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