wenzelm [Fri, 29 Dec 2006 18:46:04 +0100] rev 21943
added proper header;
wenzelm [Fri, 29 Dec 2006 18:46:02 +0100] rev 21942
added signed_string_of_int (pruduces proper - instead of SML's ~);
wenzelm [Fri, 29 Dec 2006 18:46:01 +0100] rev 21941
removed obsolete proof_general.ML;
wenzelm [Fri, 29 Dec 2006 18:25:46 +0100] rev 21940
minor tuning;
wenzelm [Fri, 29 Dec 2006 18:25:45 +0100] rev 21939
tuned specifications/proofs;
wenzelm [Fri, 29 Dec 2006 17:24:49 +0100] rev 21938
replaced Sign.classes by Sign.all_classes (topologically sorted);
prefer structure Sign over Sorts;
renamed Sorts.project to Sorts.subalgebra;
wenzelm [Fri, 29 Dec 2006 17:24:49 +0100] rev 21937
renamed Graph.project to Graph.subgraph;
wenzelm [Fri, 29 Dec 2006 17:24:47 +0100] rev 21936
replaced Sign.classes by Sign.all_classes (topologically sorted);
prefer structure Sign over Sorts;
wenzelm [Fri, 29 Dec 2006 17:24:46 +0100] rev 21935
renamed project to subgraph, improved presentation, avoided unnecessary evaluation of predicate;
wenzelm [Fri, 29 Dec 2006 17:24:45 +0100] rev 21934
Sorts.minimal_classes;