0 votes 0 votes What is meant by s* or any other symbol which has an asterisk in Set Theory? Set Theory & Algebra discrete-mathematics set-theory + – Devshree Dubey asked Aug 11, 2018 Devshree Dubey 563 views answer comment Share Follow See all 8 Comments See all 8 8 Comments reply srestha commented Aug 11, 2018 reply Follow Share asterix not a part of set theory I guess 0 votes 0 votes Devshree Dubey commented Aug 11, 2018 reply Follow Share @srestha,I saw Mam Kamala Krithivasan Mam mentioning it in NPTEL lecture of TOC. :). That's why I asked. 0 votes 0 votes srestha commented Aug 11, 2018 reply Follow Share ohh , what exactly was it describing? 0 votes 0 votes Devshree Dubey commented Aug 11, 2018 reply Follow Share Grammars and NT and T. 0 votes 0 votes srestha commented Aug 11, 2018 reply Follow Share but I think she combined set theory with toc See here https://en.wikipedia.org/wiki/Set_(mathematics) this is main part of set theory 0 votes 0 votes Shaik Masthan commented Aug 12, 2018 reply Follow Share i know, at one place they used astrik symbol R* where R is the relation, Did you ask that one? 0 votes 0 votes Ravi Dubey commented Aug 12, 2018 reply Follow Share I have seen once somewhere I* means all integers except {0} 0 votes 0 votes Devshree Dubey commented Aug 12, 2018 reply Follow Share @Shaik Masthan,No brother. Not in relation but in Set Theory only. :) 0 votes 0 votes Please log in or register to add a comment.