src/HOL/ex/Puzzle.thy
2005-09-14 wenzelm 2005-09-14 tuned headers etc.;
2005-06-17 haftmann 2005-06-17 migrated theory headers to new format
2003-07-24 paulson 2003-07-24 Tidying and replacement of some axioms by specifications
2002-05-08 paulson 2002-05-08 converted to Isar
1999-11-15 nipkow 1999-11-15 Streamlined it a bit.
1996-11-26 nipkow 1996-11-26 Added Lagrang. Modified comment.
1996-02-05 clasohm 1996-02-05 expanded tabs; incorporated Konrad's changes
1995-12-01 clasohm 1995-12-01 removed quotes from consts and syntax sections
1995-03-22 clasohm 1995-03-22 converted ex with curried function application