Show that the set Q of rational numbers is countable.
Elements Of Modern Algebra
8th Edition
ISBN:9781285463230
Author:Gilbert, Linda, Jimmie
Publisher:Gilbert, Linda, Jimmie
Chapter2: The Integers
Section2.4: Prime Factors And Greatest Common Divisor
Problem 35E: Prove that 23 is not a rational number.
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Show that the set Q of rational numbers is countable.
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I am not sure I am understanding the one-to-one part. If the functions are equal to one another, wouldn't that mean that they aren't one-to-one
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