0 0 votes Mathematical logic I found difficulty of this type question please help me Mathematical Logic discrete-mathematics mathematical-logic + – Lakshman Bhaiya 372 views answer comment Share Follow Print See 1 comment 1 1 comment reply Anjan commented Nov 14, 2017 reply Follow flag option B. x is parent of both y and v y and v are different y is parent of w. 1 1 replyShare Please log in or register to add a comment.