| Fri, 06 Apr 2012 19:23:51 +0200 | haftmann | abandoned almost redundant *_foldr lemmas | file | diff | annotate |
| Mon, 26 Dec 2011 22:17:10 +0100 | haftmann | incorporated More_Set and More_List into the Main body -- to be consolidated later | file | diff | annotate |
| Mon, 26 Dec 2011 18:32:43 +0100 | haftmann | moved various set operations to theory Set (resp. Product_Type) | file | diff | annotate |