2 votes 2 votes closed as a duplicate of: gateforum Mathematical Logic gateforum-test-series discrete-mathematics mathematical-logic engineering-mathematics + – h4kr asked Nov 19, 2022 • closed Nov 19, 2022 by Shoto h4kr 117 views comment Share Follow See 1 comment See all 1 1 comment reply Chandrabhan Vishwa 1 commented Nov 19, 2022 reply Follow Share yes option D is correct 0 votes 0 votes Please log in or register to add a comment.