![Injective and surjective, hence bijective, mapping from the set X of positive integer numbers to its proper subset Y of even numbers, defined by f(x) = 2x.](http://upload.wikimedia.org/wikipedia/commons/thumb/6/69/Aplicaci%C3%B3n_2_inyectiva_sobreyectiva02.svg/250px-Aplicaci%C3%B3n_2_inyectiva_sobreyectiva02.svg.png)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:34, 18 June 2007 | ![]() | 250 × 200 (15 KB) | <bdi>HiTe~commonswiki</bdi> | |Description= Aplicación inyectiva sobreyectiva. f(x) = 2x |Source= Trabajo propio |Date= 18-6-2007 |Author= HiTe |Permission= Dominio público |other_versions= - }} Category:Sets |
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