1 votes 1 votes How many relations are there which are reflexive antisymmetric and symmetric? Set Theory & Algebra discrete-mathematics + – kamakshi asked Dec 26, 2017 kamakshi 601 views answer comment Share Follow See all 10 Comments See all 10 10 Comments reply Show 7 previous comments Hradesh patel commented Dec 26, 2017 reply Follow Share answer is 1 0 votes 0 votes srestha commented Dec 26, 2017 reply Follow Share @Ashwin reflexive relation = 2(n^2 -n ) symmetric = 2n * 2(n(n-1)/2) asymmetric = 2n * 3(n(n-1)/2) then symmetric $\cap$ antisymmetric= 2n Now 2(n^2 -n ) >2n then reflexive $\cap$ 2n=2n right? 0 votes 0 votes Suhaid commented Dec 28, 2017 reply Follow Share This is a correct explanation . 0 votes 0 votes Please log in or register to add a comment.