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UBA - CienciaS • Ver Tema - [A corregir] Practica 1 ejercicio 12c
UBACS Q&A Foro WikiCS
Fecha actual 17 May 2024, 17:48

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Autor Mensaje
 Asunto: [A corregir] Practica 1 ejercicio 12c
NotaPublicado: 28 Ago 2008, 00:39 
Ayudante de Primera

Registrado: 13 May 2008, 22:57
Mensajes: 160
Ubicación: Gonzalez Catan
Sean A,B y C conjuntos, Probar que
i)
No se muy bien como expresarlo de la mejor forma matematica, acá va como lo hice yo:


Sea X un par ordenado (x;y) cuyo primer elemento x pertenece a A o B y cuyo seg elemento y pertenece a c,
si x pertenece a A entonces X pertenece a (A x C)
si x pertenece a B entonces X pertenece a (B x C)
Por lo tanto


Sean X los pares ordenados (x;y) cuyo 1º elem pertenece a A o B y cuyo 2º elem pertenece a C
entonces x pertenece a la union de a y b (A u B) y como y pertenece a C, entonces
X pertenece a (A u B) x C

De donde deduzco la igualdad.
Espero sus repuestas y correcciones, Gracias


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 Asunto: Re: [A corregir] Practica 1 ejercicio 12c
NotaPublicado: 29 Ago 2008, 08:53 
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Registrado: 23 May 2008, 10:26
Mensajes: 394
Está perfecto.


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 Asunto: Re: [A corregir] Practica 1 ejercicio 12c
NotaPublicado: 29 Ago 2008, 22:25 
Ayudante de Primera

Registrado: 13 May 2008, 22:57
Mensajes: 160
Ubicación: Gonzalez Catan
Agrego los que faltan asi no queda incompleto.
b)


c)


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