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reversed_relation [2013/05/15 23:51] 127.0.0.1 external edit |
reversed_relation [2013/05/21 11:00] nikolaj |
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| ===== Reversed relation ===== | ===== Reversed relation ===== | ||
| ==== Definition ==== | ==== Definition ==== | ||
| - | | $ R,x,y $ | | + | | $ R\in\text{Rel}(X,Y) $ | |
| - | + | ||
| - | | $ \text{relation-like}(R) $ | | + | |
| ^ $ \langle x,y \rangle \in R^\smile $ ^ | ^ $ \langle x,y \rangle \in R^\smile $ ^ | ||
| Line 10: | Line 8: | ||
| ==== Ramifications ==== | ==== Ramifications ==== | ||
| + | === Reference === | ||
| + | Mizar files: [[http://markun.cs.shinshu-u.ac.jp/mirror/mizar/JFM/Vol1/relat_1.html|RELAT_1]] | ||
| + | |||
| ==== Context ==== | ==== Context ==== | ||
| Set constructor | Set constructor | ||
| - | === Follows === | + | === Parents === |
| - | [[Ordered pair]] | + | [[Binary relation]] |
| - | ==== Discussion ==== | + | |
| - | === Reference === | + | |
| - | Mizar files: | + | |
| - | + | ||
| - | [[http://markun.cs.shinshu-u.ac.jp/mirror/mizar/JFM/Vol1/relat_1.html|RELAT_1]] | + | |
