0 votes 0 votes The strings which are not having any common difference are CSL or not ? Theory of Computation theory-of-computation + – Ashish Roy 1 asked Oct 29, 2018 Ashish Roy 1 184 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply srestha commented Oct 29, 2018 reply Follow Share u mean set difference? yes set diff is closed under csl 0 votes 0 votes Ashish Roy 1 commented Oct 29, 2018 reply Follow Share I am not asking about set difference . Eg: a^n^2 | n>=0 is one of the language which is not having any common differnence between the strings when you expand the language. Is these type of languages CSL or not ? 0 votes 0 votes Please log in or register to add a comment.