2009-10-17 wenzelm 2009-10-17 eliminated hard tabulators, guessing at each author's individual tab-width; tuned headers;
2008-07-29 ballarin 2008-07-29 Definitions and some lemmas for reflexive orderings.
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
2002-11-08 paulson 2002-11-08 generalized wf_on_unit to wf_on_any_0
2002-10-01 paulson 2002-10-01 Numerous cosmetic changes, prompted by the new simplifier
2002-09-30 berghofe 2002-09-30 Adapted to new simplifier.
2002-07-14 paulson 2002-07-14 improved presentation markup
2002-07-10 paulson 2002-07-10 Fixed quantified variable name preservation for ball and bex (bounded quants) Requires tweaking of other scripts. Also routine tidying.
2002-06-14 paulson 2002-06-14 better proof of ord_iso_restrict_pred
2002-05-28 paulson 2002-05-28 deleted some useless ML bindings
2002-05-24 paulson 2002-05-24 conversion of Perm to Isar. Strengthening of comp_fun_apply
2002-05-13 paulson 2002-05-13 converted Order.ML OrderType.ML OrderArith.ML to Isar format
2002-05-08 paulson 2002-05-08 better xsymbol syntax
2000-08-24 paulson 2000-08-24 added some xsymbols, and tidied
1997-01-03 paulson 1997-01-03 Implicit simpsets and clasets for FOL and ZF
1996-07-11 paulson 1996-07-11 Corrected indentation
1996-02-06 clasohm 1996-02-06 expanded tabs
1995-12-09 clasohm 1995-12-09 removed quotes from consts and syntax sections
1995-06-22 clasohm 1995-06-22 removed \...\ inside strings
1994-12-14 lcp 1994-12-14 added constants mono_map, ord_iso_map
1994-08-25 lcp 1994-08-25 ZF/Inductive.thy,.ML: renamed from "inductive" to allow re-building without the keyword "inductive" making the theory file fail ZF/Makefile: now has Inductive.thy,.ML ZF/Datatype,Finite,Zorn: depend upon Inductive ZF/intr_elim: now checks that the inductive name does not clash with existing theory names ZF/ind_section: deleted things replicated in Pure/section_utils.ML ZF/ROOT: now loads Pure/section_utils
1994-06-21 lcp 1994-06-21 Addition of cardinals and order types, various tidying