src/ZF/Sum.thy
2015-07-23 wenzelm 2015-07-23 isabelle update_cartouches;
2014-11-02 wenzelm 2014-11-02 modernized header;
2014-11-01 wenzelm 2014-11-01 eliminated spurious semicolons;
2012-03-15 paulson 2012-03-15 replacing ":" by "\<in>"
2012-03-06 paulson 2012-03-06 Using mathematical notation for <-> and cardinal arithmetic
2012-03-06 paulson 2012-03-06 mathematical symbols instead of ASCII
2011-11-20 wenzelm 2011-11-20 eliminated obsolete "standard";
2011-02-18 wenzelm 2011-02-18 more precise headers;
2010-08-18 haftmann 2010-08-18 deglobalization
2010-03-01 haftmann 2010-03-01 replaced a couple of constsdefs by definitions (also some old primrecs by modern ones)
2009-10-17 wenzelm 2009-10-17 eliminated hard tabulators, guessing at each author's individual tab-width; tuned headers;
2007-10-07 wenzelm 2007-10-07 modernized specifications; removed legacy ML bindings;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2003-02-19 paulson 2003-02-19 fixed anomalies in the installed classical rules
2002-07-14 paulson 2002-07-14 improved presentation markup
2002-06-28 paulson 2002-06-28 new theorems, tidying
2002-06-23 paulson 2002-06-23 conversion of Sum, pair to Isar script
2002-06-18 paulson 2002-06-18 tidying
1998-08-17 paulson 1998-08-17 Yet more removal of "goal" commands, especially "goal ZF.thy", so ZF.thy contains fewer theorems than before
1997-10-20 wenzelm 1997-10-20 local;
1997-10-17 wenzelm 1997-10-17 global;
1997-01-03 paulson 1997-01-03 Implicit simpsets and clasets for FOL and ZF
1996-02-06 clasohm 1996-02-06 expanded tabs
1995-12-09 clasohm 1995-12-09 removed quotes from consts and syntax sections
1995-05-04 lcp 1995-05-04 case is defined using pattern-matching
1994-11-29 lcp 1994-11-29 replaced "rules" by "defs"
1993-11-16 clasohm 1993-11-16 made pseudo theories for all ML files; documented dependencies between all thy and ML files
1993-09-16 clasohm 1993-09-16 Initial revision