| Donti | 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
| Donti | 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 |