src/HOL/ex/Higher_Order_Logic.thy
2007-07-17 wenzelm 2007-07-17 tuned specifications;
2007-06-13 wenzelm 2007-06-13 tuned proofs: avoid implicit prems;
2006-11-17 wenzelm 2006-11-17 more robust syntax for definition/abbreviation/notation;
2006-09-13 krauss 2006-09-13 Major update to function package, including new syntax and the (only theoretical) ability to handle local contexts.
2006-05-27 wenzelm 2006-05-27 tuned;
2006-04-09 wenzelm 2006-04-09 tuned syntax/abbreviations;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2004-06-21 kleing 2004-06-21 Merged in license change from Isabelle2004
2004-06-01 wenzelm 2004-06-01 removed obsolete sort 'logic';
2001-12-20 wenzelm 2001-12-20 added lemma;
2001-12-05 wenzelm 2001-12-05 sym [sym];
2001-12-04 wenzelm 2001-12-04 added Higher_Order_Logic.thy;