1 votes 1 votes Mathematical Logic propositional-logic + – Ismail asked Jan 27, 2018 Ismail 391 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Ajay Jadhav commented Jan 27, 2018 reply Follow Share I cant in options 0 votes 0 votes Ashwin Kulkarni commented Jan 27, 2018 reply Follow Share @Ajay They are asking negation, so I guess option D is correct. 2 votes 2 votes Ismail commented Jan 27, 2018 reply Follow Share Oh shit ... I didn't read that ... Thanx man 1 votes 1 votes Ashwin Kulkarni commented Jan 27, 2018 reply Follow Share No problem bro :) 0 votes 0 votes Please log in or register to add a comment.