src/HOL/IMP/VC.thy
2006-09-11 wenzelm 2006-09-11 induct method: renamed 'fixing' to 'arbitrary';
2005-12-08 wenzelm 2005-12-08 tuned proofs;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2002-09-30 nipkow 2002-09-30 modified induct method
2001-12-09 kleing 2001-12-09 tuned
2001-12-09 kleing 2001-12-09 converted to Isar
2000-07-04 oheimb 2000-07-04 disambiguated := ; added Examples (factorial)
1998-07-24 berghofe 1998-07-24 Adapted to new datatype package.
1998-05-06 nipkow 1998-05-06 Changed [/] to [:=] and removed actual definition.
1997-10-10 wenzelm 1997-10-10 fixed dots;
1997-03-18 nipkow 1997-03-18 Added wp_while.
1996-08-08 berghofe 1996-08-08 Simplified primrec definitions.
1996-04-27 nipkow 1996-04-27 A completely new version of IMP.
1996-02-07 nipkow 1996-02-07 Modified datatype com. Added (part of) relative completeness proof for Hoare logic.
1996-02-05 clasohm 1996-02-05 expanded tabs; incorporated Konrad's changes
1996-01-23 nipkow 1996-01-23 Added vcwp
1996-01-23 nipkow 1996-01-23 Added a verified verification-condition generator.