11. For sets A and B, define AAB = (A\B) U (B \ A). (a) Let A and B be sets. Prove that A = B if and only if AA B = 0). ΒΔΑ. (b) Let A and B be sets. Prove that AA B = (c) Let A, B, and C be sets. Prove that (A ▲ B) AC = AA (BAC).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.2: Graphs Of Equations
Problem 68E
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11. For sets A and B, define
AAB = (A \ B) U (B \ A).
(a) Let A and B be sets. Prove that A = B if and only if AAB = 0.
(b) Let A and B be sets. Prove that AAB
ΒΔΑ.
(c) Let A, B, and C be sets. Prove that (AA B) AC = AA (BAC).
=
Transcribed Image Text:11. For sets A and B, define AAB = (A \ B) U (B \ A). (a) Let A and B be sets. Prove that A = B if and only if AAB = 0. (b) Let A and B be sets. Prove that AAB ΒΔΑ. (c) Let A, B, and C be sets. Prove that (AA B) AC = AA (BAC). =
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