0 0 votes Let A be a set with |A| = n, and let R be an equivalence relation on set A with |R| = r. Which of the following is/are TURE?(A) r – n will always be even.(B) r – n will always be odd.(C) r – n may be zero.(D) r – n may be 1. Set Theory & Algebra set-theory&algebra relations discrete-mathematics set-theory + – hrupam 317 views answer comment Share Follow Print 0 reply Please log in or register to add a comment.
Best answer 0 0 votes A,C range of elements of equivalence relations n<= r<=n*n n-n<=r-n<=n*n-n 0<=r-n<=n*n-n and n*n-n always even. RAJESH_SWAMI answered Sep 26, 2025 • selected Sep 26, 2025 by hrupam RAJESH_SWAMI comment Share Follow 0 reply Please log in or register to add a comment.