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IEVref:102-01-05ID:
Language:enStatus: Standard
Term: proper subset
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Symbol:
Definition: subset of a set, which is different from the set

Note 1 to entry: The notation AB expresses that the set A is a proper subset of the set B. The symbol is sometimes used instead of but is not recommended, and it should be used when the latter is used for any subset of B. A is also said to be properly included in B.


Publication date:2008-08
Source
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Internal notes:2017-02-20: Editorial revisions in accordance with the information provided in C00019 (IEV 102) - evaluation. JGO
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