0 votes 0 votes What is the correct approach for drawing a conclusion from P1:- If it rains ,the match will not be played . P2:- The match was played A) it rains B) it did not rain C) it either rain or did not rain D) None hitendra singh asked Oct 23, 2018 hitendra singh 272 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.
0 votes 0 votes It's option B It did not rain. P- It rains Q-Match was not played By Modus Tollen Q'^(P->Q) -> P' Soumya Tiwari answered Oct 23, 2018 Soumya Tiwari comment Share Follow See all 3 Comments See all 3 3 Comments reply hitendra singh commented Oct 23, 2018 reply Follow Share do you have anything to say about your in question that i asked valid or invalid 0 votes 0 votes Soumya Tiwari commented Oct 23, 2018 reply Follow Share I also had doubt regarding that while solving I think it's English Jargon but logically it means You're not happy as we can solve the validity considering negation of You are happy. Logically also to make conclusion we cannot take new variable as used in premises. See rule of inferences for more clarity as they are building block of complex valid invalid arguments 0 votes 0 votes hitendra singh commented Oct 23, 2018 reply Follow Share I just asked that from where you get S' in that expression 0 votes 0 votes Please log in or register to add a comment.