Differences
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| Both sides previous revision Previous revision Next revision | Previous revision | ||
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symmetric_relation [2013/09/02 18:22] nikolaj |
symmetric_relation [2013/09/04 17:26] nikolaj |
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| | @#FFBB00: $ R\in\mathrm{SymmetricRel}(X) $ | | | @#FFBB00: $ R\in\mathrm{SymmetricRel}(X) $ | | ||
| - | | @#55EE55: $ xRy \in yRx $ | | + | | @#88DDEE: $ R \in \mathrm{Rel}(X) $ | |
| + | | $ x,y\in X $ | | ||
| + | |||
| + | | @#55EE55: $ xRy \Leftrightarrow yRx $ | | ||
| ==== Discussion ==== | ==== Discussion ==== | ||
