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[obm-l] Outra ajuda
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Outra ajuda
- From: "Jan Sousa" <jan.sousa@xxxxxxxxx>
- Date: Wed, 4 Jul 2007 12:03:22 +0900
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Pessoal, alguem por favor me auxilia nessa:
Seja A=Z e a relação (~) definida como:
1) x~y <=> x-y = 4k, onde k pertence a Z.
2) x~y <=> x-y = n.k, onde k pertence a Z
Pede-se:
a) Mostrar em cada uma a relação de equivalência,
b) Descrever para cada um dos casos as classes de equivalência.
grato,