0 votes 0 votes How to take composition of a Relation? here used concept of function but when to go with the transitivity rule concept as mentioned below? Please clarify in general when to use which method Mathematical Logic discrete-mathematics relations functions set-theory&algebra + – Markzuck asked Jan 10, 2019 Markzuck 3.2k views answer comment Share Follow See all 0 reply Please log in or register to add a comment.