2 votes 2 votes What are the differences between/among : Validity, Satisfiability and Tautology Fallacy and Contradiction Balaji Jegan asked Oct 8, 2018 Balaji Jegan 368 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply smsubham commented Oct 8, 2018 reply Follow Share https://math.stackexchange.com/questions/258602/what-is-validity-and-satisfiability-in-a-propositional-statement Tautology = Valid 1 votes 1 votes srestha commented Oct 8, 2018 reply Follow Share validity= Tautology contradiction=fallacy 1 votes 1 votes Please log in or register to add a comment.
0 votes 0 votes Valid = Always true = Tautology = 1 Contradiction = Always False = Fallacy = 0 Contingency = Sometimes true and sometimes False Satisfiable = Sometimes true = Tautology + Contingency Vikas Verma answered Oct 8, 2018 Vikas Verma comment Share Follow See all 3 Comments See all 3 3 Comments reply Balaji Jegan commented Oct 8, 2018 reply Follow Share What is the difference between contigency and satisfiable? 0 votes 0 votes Vikas Verma commented Oct 8, 2018 i edited by Vikas Verma Oct 9, 2018 reply Follow Share contingency is a subset of satisfiable prepositions 0 votes 0 votes Balaji Jegan commented Oct 9, 2018 reply Follow Share subset satisfiable? 0 votes 0 votes Please log in or register to add a comment.