(4) Prove by contradiction, for any sets A and B, if ACA- B, then An B= Ø

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.CT: Test
Problem 3CT: To prove a theorem of the form "If P, then Q" by the indirect method, the first line of the proof...
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(4) Prove by contradiction, for any sets A and B, if A CA - B, then AnB=Ø
Transcribed Image Text:(4) Prove by contradiction, for any sets A and B, if A CA - B, then AnB=Ø
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