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Re: [obm-l] Teoria dos Conjuntos

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Subject: Re: [obm-l] Teoria dos Conjuntos
From: Angelo Barone Netto <barone@xxxxxxxxxx>
Date: Fri, 8 Apr 2005 18:36:14 -0300
In-Reply-To: <001801c53c5a$92a1fd20$8c00000a@luizinhocb>
References: <BE7C0C2F.7789%claudio.buffara@terra.com.br> <000601c53c58$ad1a55a0$0401010a@wishmaster3> <001801c53c5a$92a1fd20$8c00000a@luizinhocb>
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Caro Bruno
Definicoes
{x,y}=z t.q t \in z <=> t=x ou t=y.

({x,y} existe pelo axioma do par)

{x}={x,x}.

Decorre que se u \in {v}, u=v.


Angelo Barone Netto <barone@ime.usp.br>
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References:
- Re: [obm-l] Re: [obm-l] Re: [obm-l] cálculono R^n
  - From: Claudio Buffara
- [obm-l] Teoria dos Conjuntos
  - From: Bruno Bonagura
- Re: [obm-l] Teoria dos Conjuntos
  - From: Fernando

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