src/HOL/Lambda/Lambda.thy
2006-05-16 wenzelm 2006-05-16 tuned concrete syntax -- abbreviation/const_syntax;
2006-04-09 wenzelm 2006-04-09 tuned syntax/abbreviations;
2006-04-08 wenzelm 2006-04-08 refined 'abbreviation';
2006-02-16 wenzelm 2006-02-16 new-style definitions/abbreviations;
2005-11-25 wenzelm 2005-11-25 tuned induct proofs;
2005-11-23 wenzelm 2005-11-23 tuned induction proofs;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2003-06-24 berghofe 2003-06-24 Nicer syntax for beta reduction.
2003-04-23 berghofe 2003-04-23 Eliminated most occurrences of rule_format attribute.
2002-05-30 nipkow 2002-05-30 Modifications due to enhanced linear arithmetic.
2001-10-31 wenzelm 2001-10-31 tuned notation (degree instead of dollar);
2001-10-26 wenzelm 2001-10-26 tuned notation;
2001-09-28 wenzelm 2001-09-28 inductive: no collective atts;
2001-01-10 paulson 2001-01-10 deleted the obsolete nat_neqE
2000-09-12 wenzelm 2000-09-12 renamed atts: rulify to rule_format, elimify to elim_format;
2000-09-07 wenzelm 2000-09-07 updated attribute names;
2000-09-04 wenzelm 2000-09-04 tuned;
2000-09-02 wenzelm 2000-09-02 HOL/Lambda: converted into new-style theory and document;
1999-04-20 paulson 1999-04-20 should not refer to Datatype
1999-03-08 nipkow 1999-03-08 Suc -> +1
1998-07-24 berghofe 1998-07-24 Adapted to new datatype package.
1998-07-15 nipkow 1998-07-15 @ -> $
1998-06-30 berghofe 1998-06-30 Adapted to new inductive definition package.
1997-12-04 nipkow 1997-12-04 pred n -> n-1
1996-11-04 nipkow 1996-11-04 Used nat_trans_tac. New Eta. various smaller changes.
1996-09-11 nipkow 1996-09-11 Removed refs to clasets like rel_cs etc. Used implicit claset.
1996-08-08 berghofe 1996-08-08 Simplified primrec definitions.
1996-06-06 paulson 1996-06-06 Quotes now optional around inductive set
1995-12-01 clasohm 1995-12-01 removed quotes from consts and syntax sections
1995-10-06 nipkow 1995-10-06 New version with eta reduction.
1995-06-22 nipkow 1995-06-22 Simplified the confluence proofs. Added optimized substitution.
1995-05-22 nipkow 1995-05-22 Polished the presentation making it completely definitional.
1995-05-13 nipkow 1995-05-13 Lambda calculus in de Bruijn notation. Proof of confluence.