Mon, 19 Apr 2010 17:26:07 +0200 Christian Urban deleting function perm_arg in favour of the library function mk_perm
Mon, 19 Apr 2010 16:55:57 +0200 Christian Urban merged
Mon, 19 Apr 2010 16:55:36 +0200 Christian Urban tuned; fleshed out some library functions about permutations; closed Datatype_Aux structure (increases readability)
Mon, 19 Apr 2010 16:19:17 +0200 Cezary Kaliszyk FSet is a semi-lattice
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