Fri, 29 Dec 2006 17:24:49 +0100 replaced Sign.classes by Sign.all_classes (topologically sorted);
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;
Fri, 29 Dec 2006 17:24:49 +0100 renamed Graph.project to Graph.subgraph;
wenzelm [Fri, 29 Dec 2006 17:24:49 +0100] rev 21937
renamed Graph.project to Graph.subgraph;
Fri, 29 Dec 2006 17:24:47 +0100 replaced Sign.classes by Sign.all_classes (topologically sorted);
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;
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