0 votes 0 votes how they are equivalent Mathematical Logic discrete-mathematics + – 92komal asked Jan 29, 2018 92komal 265 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply Raveena Yadav 1 commented Jan 29, 2018 reply Follow Share try to expand this..they are equivalent 0 votes 0 votes Shubhanshu commented Jan 29, 2018 reply Follow Share Solve the C option you will get what is given in the question. 0 votes 0 votes Please log in or register to add a comment.