11. Let X be a set and be an equivalence relation on X. Prove that for x,y e X, if xy, then [x][y] = 0.
11. Let X be a set and be an equivalence relation on X. Prove that for x,y e X, if xy, then [x][y] = 0.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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![11. Let \( X \) be a set and \(\sim\) be an equivalence relation on \( X \). Prove that for \( x, y \in X \), if \( x \nsim y \), then \([x] \cap [y] = \emptyset\).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F3f0128e8-6553-498c-afa0-dd14e88e258d%2F48863532-6572-4e73-a81e-0693bf0ae3d2%2Fdwlnqej_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11. Let \( X \) be a set and \(\sim\) be an equivalence relation on \( X \). Prove that for \( x, y \in X \), if \( x \nsim y \), then \([x] \cap [y] = \emptyset\).
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