16 lines
		
	
	
		
			140 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
		
		
			
		
	
	
			16 lines
		
	
	
		
			140 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
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								/*
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								   ?- s([p],P).
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								P = 0.5 ?
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								yes
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								   ?- s([q],P).
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								P = 0.5 ?
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								yes
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								   ?- s([p,q],P).
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								P = 0 ?
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								yes
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								*/
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								p : 0.5;q : 0.5:- r.
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								r :- \+ p.
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								r :- \+ q.
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