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injective_function [2013/08/30 14:35] nikolaj |
injective_function [2013/12/21 19:57] 127.0.0.1 external edit |
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| ===== Injective function ===== | ===== Injective function ===== | ||
| - | ==== Definition ==== | + | ==== Set ==== |
| | @#88DDEE: $X,Y$ | | | @#88DDEE: $X,Y$ | | ||
| Line 12: | Line 12: | ||
| === Predicates === | === Predicates === | ||
| | @#EEEE55: $Y...\mathrm{countable}\equiv \mathrm{Injective}(\mathbb N,Y)\ne\emptyset$ | | | @#EEEE55: $Y...\mathrm{countable}\equiv \mathrm{Injective}(\mathbb N,Y)\ne\emptyset$ | | ||
| - | ==== Context ==== | + | ==== Parents ==== |
| === Requirements === | === Requirements === | ||
| [[Function]] | [[Function]] | ||
