 
			 
			MCQOPTIONS
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				| 1. | ¬ (p ↔ q) is logically equivalent to:$ | 
| A. | q‚Üîp | 
| B. | p↔¬q | 
| C. | ¬p↔¬q | 
| D. | ¬q↔¬p | 
| Answer» C. ¬¨¬®¬¨¬Æp‚Äö√Ñ√∂‚àö√∫‚àö√ܬ¨¬®¬¨¬Æq | |