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singleton [2013/09/05 22:13] ben |
singleton [2014/11/05 21:43] nikolaj |
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===== Singleton ===== | ===== Singleton ===== | ||
- | ==== Definition ==== | + | ==== Set ==== |
- | | @#88DDEE: $ X $ | | + | | @#55CCEE: context | @#55CCEE: $ X $ | |
- | + | | @#FF9944: definition | @#FF9944: $ \{X\} \equiv \{X,X\} $ | | |
- | | @#FFBB00: $ \{X\} \equiv \{X,X\} $ | | + | |
==== Discussion ==== | ==== Discussion ==== | ||
=== Reference === | === Reference === | ||
Wikipedia: [[http://en.wikipedia.org/wiki/Singleton_%28mathematics%29|Singleton]] | Wikipedia: [[http://en.wikipedia.org/wiki/Singleton_%28mathematics%29|Singleton]] | ||
- | ==== Context ==== | + | ==== Parents ==== |
- | === Requirements === | + | === Context === |
[[Unordered pair]] | [[Unordered pair]] |