0 votes 0 votes Mathematical Logic tancet mathematical-logic + – Balaji Jegan asked Oct 23, 2018 retagged May 12, 2021 by Shiva Sagar Rao Balaji Jegan 137 views answer comment Share Follow See 1 comment See all 1 1 comment reply Lakshman Bhaiya commented Oct 24, 2018 reply Follow Share $4)$is right? 0 votes 0 votes Please log in or register to add a comment.