201 B
		
	
	
	
	
	
	
	
			
		
		
	
	
			201 B
		
	
	
	
	
	
	
	
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The Multiplicative Property of Negative One
Let
arepresent any member of\mathbb{Z}, then:
 (-1) \cdot a = -a 
			
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Let
arepresent any member of\mathbb{Z}, then:
 (-1) \cdot a = -a