Let R be an equivalence relation over set A. Let a and b be any two elements in A. a) Prove that (a, b) E R = b) Prove that [a] = [b] = [a] n [b] # Ø c) Prove that [a]n [b] # Ø = (a, b) E R. [a] = [b]. (Hint: show that [a] C [b] ^ [b] C [a].)
Let R be an equivalence relation over set A. Let a and b be any two elements in A. a) Prove that (a, b) E R = b) Prove that [a] = [b] = [a] n [b] # Ø c) Prove that [a]n [b] # Ø = (a, b) E R. [a] = [b]. (Hint: show that [a] C [b] ^ [b] C [a].)
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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