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reversed_relation [2013/09/09 09:25] nikolaj |
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| - | ===== Reversed relation ===== | ||
| - | ==== Definition ==== | ||
| - | | @#88DDEE: $ R\in\text{Rel}(X,Y) $ | | ||
| - | | @#FFBB00: $ \langle x,y \rangle \in R^\smile $ | | ||
| - | |||
| - | | @#55EE55: $ \langle y,x \rangle \in R $ | | ||
| - | |||
| - | ==== Ramifications ==== | ||
| - | === Reference === | ||
| - | Mizar files: [[http://markun.cs.shinshu-u.ac.jp/mirror/mizar/JFM/Vol1/relat_1.html|RELAT_1]] | ||
| - | |||
| - | ==== Parents ==== | ||
| - | === Requirements === | ||
| - | [[Binary relation]] | ||
