src/HOL/Datatype.thy
2004-08-18 nipkow import -> imports
2004-08-16 nipkow New theory header syntax.
2004-06-21 kleing Merged in license change from Isabelle2004
2003-12-04 nipkow hide Push
2003-09-26 paulson misc tidying
2003-09-14 nipkow Added new theorems
2002-10-10 berghofe Added functions Suml and Sumr which are useful for constructing
2002-02-21 wenzelm theory Option has been assimilated by Datatype;
2001-11-03 wenzelm tuned;
2001-10-26 wenzelm made new-style theory;
2000-10-12 nipkow *** empty log message ***
1998-10-23 berghofe unit and bool are now represented as datatypes.
1998-10-21 berghofe Changed syntax of rep_datatype.
1998-07-24 berghofe New theory Datatype. Needed as an ancestor when defining datatypes.
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