5)a) It is known that Q ͠ N (Rational Numbers have the same power as the Natural Numbers set N.). So show that QxQ ͠ N. ( QxQ have the same power as the N )
5)a) It is known that Q ͠ N (Rational Numbers have the same power as the Natural Numbers set N.). So show that QxQ ͠ N. ( QxQ have the same power as the N )
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter2: Parallel Lines
Section2.3: Proving Lines Parallel
Problem 34E
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5)a) It is known that Q ͠ N (Rational Numbers have the same power as the Natural Numbers set N.). So show that QxQ ͠ N. ( QxQ have the same power as the N )
b)The set of all closed intervals whose endpoints are rational numbers( that is, show that set { [a,b] , a ɛ Q , b ɛ Q , a<b } is the same power as the natural number set N.
(Definition: Let A and B be two sets.If there is a one-to-one function from A to B and at least one overlying function, it is said that A set has the same power as set B. and shown to be A ͠ B)
(It's abstract mathematics, please can you write step-by-step solutions I have a shortcoming in this regard.)
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