153 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			153 B
		
	
	
	
	
	
	
	
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|---|---|---|---|---|
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A proposition cannot be true and false at the same time.
\sim (P & \sim P)
| categories | tags | |||
|---|---|---|---|---|
  | 
  | 
A proposition cannot be true and false at the same time.
\sim (P & \sim P)