| Tue, 13 Aug 2013 16:25:47 +0200 | wenzelm | standardized symbols via "isabelle update_sub_sup", excluding src/Pure and src/Tools/WWW_Find; | file | diff | annotate |
| Wed, 05 Sep 2012 20:19:37 +0200 | wenzelm | tuned proofs; | file | diff | annotate |
| Fri, 04 Mar 2011 00:09:47 +0100 | wenzelm | eliminated prems; | file | diff | annotate |