src/HOL/Data_Structures/Binomial_Heap.thy
Thu, 31 Aug 2017 08:39:42 +0200 nipkow added PQ with merge
Tue, 29 Aug 2017 17:01:11 +0200 nipkow tuned names
Tue, 29 Aug 2017 16:54:54 +0200 nipkow simpler definition
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