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idempotent_function [2014/02/08 18:32] nikolaj |
idempotent_function [2014/02/08 18:34] nikolaj |
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| ===== Idempotent function ===== | ===== Idempotent function ===== | ||
| ==== Set ==== | ==== Set ==== | ||
| - | | @#88DDEE: $X,Y$ | | + | | @#88DDEE: $X,Y$ ... set | |
| - | | @#FFBB00: $ f\in \mathrm{it}(X,Y) $ | | + | | @#FFBB00: $ f\in \mathrm{it}(X,X) $ | |
| | @#55EE55: $ f:X\to Y $ | | | @#55EE55: $ f:X\to Y $ | | ||
| Line 11: | Line 11: | ||
| ==== Parents ==== | ==== Parents ==== | ||
| === Subset of === | === Subset of === | ||
| - | [[Function]] | + | [[Unary operation]] |
