 
			 
			MCQOPTIONS
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				| 1. | Suppose that H be an X-set and suppose that a∼b and |Xa|=|Xb|, the which of the following is true? | 
| A. | Xa is powerset of Xb | 
| B. | Xa is isomorphic to Xb | 
| C. | Xa is homomorphic to Xb | 
| D. | Xb is the subset of Xa | 
| Answer» C. Xa is homomorphic to Xb | |