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			13 строки
		
	
	
		
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			13 строки
		
	
	
		
			354 B
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
join - lub (least upper bound).
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meet - glb (greatest lower bound).
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R^+  - smallest transitive clojure of relation R
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R^*  - smallest reflexive transitive clojure of relation R
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Ex Ru - 525 - 592
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285(315) 21.2    - Finite and Infinite Types (tree notation)
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294      21.5.10 - Pred, Reachable
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392      26.2    - Kernel F-sub
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395              - Full F-sub
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