0 votes 0 votes How(In S3: statement) phi is a subset of P(S) ?? It must be {phi} . Right?? atul_21 asked Dec 26, 2017 atul_21 742 views answer comment Share Follow See all 12 Comments See all 12 12 Comments reply Show 9 previous comments atul_21 commented Dec 26, 2017 reply Follow Share But why were u saying that S3 is not true then,in ur first comment? 0 votes 0 votes joshi_nitish commented Dec 26, 2017 reply Follow Share i was not saying that "S3 is not true". there i was saying that "S3 is not true for what reason @Hardesh has given"....actually S3 is trivially true. 0 votes 0 votes atul_21 commented Dec 26, 2017 reply Follow Share Ok. . :) :D. Sorry sorry (what am I doing) :D 0 votes 0 votes Please log in or register to add a comment.