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What is meant by s* or any other symbol which has an asterisk in Set Theory?
in Set Theory & Algebra by Boss (13.7k points) | 54 views
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asterix not a part of set theory I guess
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@srestha,I saw Mam Kamala Krithivasan Mam mentioning it in NPTEL lecture of TOC. :). That's why I asked.
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ohh , what exactly was it describing?
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Grammars and NT and T.
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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

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i know, at one place they used astrik symbol

R* where R is the relation, Did you ask that one?
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I have seen once somewhere I* means all integers except {0}
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@Shaik Masthan,No brother. Not in relation but in Set Theory only. :)

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