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Notas de Topolog´ıa Clara M. Neira U. - UN Virtual

Notas de Topolog´ıa Clara M. Neira U. - UN Virtual

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10. Sea X un espacio 2-enumerable. Pruebe que si A ⊂ X esno enumerable, entonces la topología <strong>de</strong> subespacio <strong>de</strong> Ano es la topología discreta.11. Muestre que si X es un espacio métrico separable, entoncesX es 2-enumerable.Regresar174

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