Ideas from 'On Multiplying Entities' by Willard Quine [1974], by Theme Structure
		
		[found in 'Ways of Paradox and other essays' by Quine,Willard  [Harvard 1976,0-674-94837-8]].
		
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		2. Reason / B. Laws of Thought / 6. Ockham's Razor
		
	
	
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			8207 
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    	The quest for simplicity drove scientists to posit new entities, such as molecules in gases
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			In arithmetic, ratios, negatives, irrationals and imaginaries were created in order to generalise
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					7. Existence / B. Change in Existence / 4. Events / c. Reduction of events
	            
            	       
	
	
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			Explaining events just by bodies can't explain two events identical in space-time
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					10. Modality / A. Necessity / 11. Denial of Necessity
	            
            	       
	
	
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			Necessity could be just generalisation over classes, or (maybe) quantifying over possibilia
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