| Mot | says | Prove A U B=A. >let x an element of AUB >by def if union x element a or x element B >since x is element of A. then AUB is a subset of A. LOL |
Nov 24, 2009 - 02:26PM
| Mot | says | Prove A U B=A. >let x an element of AUB >by def if union x element a or x element B >since x is element of A. then AUB is a subset of A. LOL |
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