2010-05-15 wenzelm 2010-05-15 less pervasive names from structure Thm;
2010-05-03 wenzelm 2010-05-03 renamed ProofContext.init to ProofContext.init_global to emphasize that this is not the real thing;
2010-04-30 wenzelm 2010-04-30 conditional warnings: explicitly observe context visibility flag, not just accidental presence of a context; map_ss: explicitly provide a temporary context, which might be required for mksimps, mkcongs etc.;
2010-04-29 wenzelm 2010-04-29 proper context for mksimps etc. -- via simpset of the running Simplifier;
2010-04-26 wenzelm 2010-04-26 eliminanated some unreferenced identifiers; tuned;
2010-03-29 boehmes 2010-03-29 the configuration option 'trace_simp' now uses the reference of the ProofGeneral settings menu as (dynamic) default value
2010-03-28 wenzelm 2010-03-28 static defaults for configuration options;
2010-03-27 boehmes 2010-03-27 re-introduce reference to control simplifier tracing (needed for ProofGeneral settings menu) (cf. 12bb31230550)
2010-03-26 boehmes 2010-03-26 replaced references 'trace_simp' and 'debug_simp' by configuration options stored in the context
2010-03-20 wenzelm 2010-03-20 renamed varify/unvarify operations to varify_global/unvarify_global to emphasize that these only work in a global situation;
2010-02-27 wenzelm 2010-02-27 modernized structure Term_Ord;
2010-02-19 wenzelm 2010-02-19 renamed Simplifier.theory_context to Simplifier.global_context to emphasize that this is not the real thing;
2010-02-19 wenzelm 2010-02-19 tuned message;
2009-11-25 haftmann 2009-11-25 normalized uncurry take/drop
2009-11-24 haftmann 2009-11-24 curried take/drop
2009-11-08 wenzelm 2009-11-08 tuned;
2009-11-02 wenzelm 2009-11-02 back to warning -- Proof General tends to "popup" tracing output;
2009-10-29 wenzelm 2009-10-29 less aggressive tracing;
2009-10-27 wenzelm 2009-10-27 eliminated some old folds;
2009-10-21 haftmann 2009-10-21 merged
2009-10-21 haftmann 2009-10-21 dropped redundant gen_ prefix
2009-10-20 haftmann 2009-10-20 replaced old_style infixes eq_set, subset, union, inter and variants by generic versions
2009-10-20 wenzelm 2009-10-20 backpatching of structure Proof and ProofContext -- avoid odd aliases; renamed transfer_proof to raw_transfer; indicate firm naming conventions for theory, Proof.context, Context.generic;
2009-10-20 wenzelm 2009-10-20 uniform use of Integer.min/max;
2009-09-30 wenzelm 2009-09-30 eliminated dead code; eliminated redundant bindings; misc tuning;
2009-09-29 wenzelm 2009-09-29 explicit indication of Unsynchronized.ref;
2009-05-30 wenzelm 2009-05-30 tuned;
2009-04-21 krauss 2009-04-21 replace type cong = {thm : thm, lhs : term} by plain thm -- the other component has been unused for a long time.
2009-03-16 wenzelm 2009-03-16 provide Simplifier.norm_hhf(_protect) as regular simplifier operation;
2009-03-08 wenzelm 2009-03-08 added dest_ss; proper context fo pretty_ss; tuned;
2009-03-07 wenzelm 2009-03-07 renamed rep_ss to MetaSimplifier.internal_ss;
2009-03-06 wenzelm 2009-03-06 replaced archaic use of rep_ss by Simplifier.mksimps;
2008-12-31 wenzelm 2008-12-31 moved term order operations to structure TermOrd (cf. Pure/term_ord.ML); tuned signature of structure Term;
2008-11-18 wenzelm 2008-11-18 eliminated rewrite_tac/fold_tac, which are not well-formed tactics due to change of main conclusion; eliminated obsolete alias rewtac for rewrite_goals_tac;
2008-10-16 wenzelm 2008-10-16 Drule.norm_hhf_eqs;
2008-08-14 wenzelm 2008-08-14 moved basic thm operations from structure PureThy to Thm (cf. more_thm.ML);
2008-07-14 haftmann 2008-07-14 dropped junk
2008-07-14 haftmann 2008-07-14 added further simple interfaces
2008-06-21 wenzelm 2008-06-21 activate_context: strict the_context, no fallback on theory context;
2008-05-29 wenzelm 2008-05-29 legacy_feature: no proof context in simpset;
2008-05-18 wenzelm 2008-05-18 moved global pretty/string_of functions from Sign to Syntax;
2008-04-12 wenzelm 2008-04-12 rep_cterm/rep_thm: no longer dereference theory_ref;
2008-03-27 wenzelm 2008-03-27 eliminated theory ProtoPure;
2007-11-27 berghofe 2007-11-27 check_conv now only performs beta-eta-normalization when equations cannot be combined just by transitivity.
2007-10-26 wenzelm 2007-10-26 asm_rewrite_goal_tac: avoiding PRIMITIVE lets informative exceptions (from simprocs) get through;
2007-09-25 wenzelm 2007-09-25 Syntax.parse/check/read;
2007-08-20 wenzelm 2007-08-20 tuned merge operations via pointer_eq;
2007-08-02 wenzelm 2007-08-02 turned simp_depth_limit into configuration option;
2007-07-23 wenzelm 2007-07-23 depth flag: plain bool ref; eliminated transform_failure (to avoid critical section for main transactions);
2007-07-05 wenzelm 2007-07-05 tuned;
2007-07-05 wenzelm 2007-07-05 tuned goal conversion interfaces;
2007-07-03 wenzelm 2007-07-03 moved (asm_)rewrite_goal_tac from goal.ML to meta_simplifier.ML (no longer depends on SELECT_GOAL);
2007-06-03 wenzelm 2007-06-03 merge_ss: plain merge of prems;
2007-05-31 wenzelm 2007-05-31 simplified/unified list fold;
2007-05-10 wenzelm 2007-05-10 moved some Drule operations to Thm (see more_thm.ML);
2007-05-09 wenzelm 2007-05-09 simp_depth: now proper value in simpset (prevents problems with lost exception trace, enables multi-threaded simplification); trace_simp_depth_limit_exceeded: attempt to hide destructive pointer programming within simpset;
2007-04-16 haftmann 2007-04-16 canonical merge operations
2007-04-14 wenzelm 2007-04-14 Morphism.transform/form;
2007-02-26 wenzelm 2007-02-26 moved eq_thm etc. to structure Thm in Pure/more_thm.ML;
2007-02-06 wenzelm 2007-02-06 trace/debug: avoid eager string concatenation;