4 votes 4 votes How many difference equivalence relations with exactly three different equivalence classes are there on a set with five elements? 10 15 25 30 Set Theory & Algebra ugcnetcse-june2016-paper2 discrete-mathematics set-theory&algebra + – go_editor asked Aug 14, 2016 • recategorized Nov 5, 2017 by Devshree Dubey go_editor 3.8k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
2 votes 2 votes answer is 25 refer http://math.stackexchange.com/questions/322738/number-of-equivalence-relations-on-a-finite-set to get some idea Sankaranarayanan P.N answered Sep 15, 2016 Sankaranarayanan P.N comment Share Follow See 1 comment See all 1 1 comment reply vijaycs commented Sep 15, 2016 reply Follow Share three different equivalence classes means - partitionaing of 5 elements into 3 non- empty set . right sir ?? 1 votes 1 votes Please log in or register to add a comment.
2 votes 2 votes Ans: C ref: https://gateoverflow.in/90931/equivalence-relaton rishu_darkshadow answered Sep 13, 2017 rishu_darkshadow comment Share Follow See all 0 reply Please log in or register to add a comment.
