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proper subset
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(Definition)
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Let $S$ be a set and let $X \subset S$ be a subset. We say $X$ is a proper subset of $S$ if $X \neq S$
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"proper subset" is owned by djao.
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Cross-references: subset
There are 14 references to this entry.
This is version 2 of proper subset, born on 2001-10-25, modified 2004-01-09.
Object id is 501, canonical name is ProperSubset.
Accessed 7630 times total.
Classification:
| AMS MSC: | 03E20 (Mathematical logic and foundations :: Set theory :: Other classical set theory ) |
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Pending Errata and Addenda
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