isabelle: Changelog

paulson [Tue, 20 May 1997 11:49:57 +0200] rev 3245

Removal of redundant code (unused or already present in Isabelle. This eliminates HOL compatibility but makes the code smaller and more readable

paulson [Tue, 20 May 1997 11:47:33 +0200] rev 3244

Basis library version of type "option" now resides in its own structure Option

paulson [Tue, 20 May 1997 11:44:25 +0200] rev 3243

Removal of ex/LexProd

paulson [Tue, 20 May 1997 11:44:02 +0200] rev 3242

Renamed egcd and gcd; defined the gcd function using TFL

paulson [Tue, 20 May 1997 11:42:59 +0200] rev 3241

Removal of duplicate code from TFL

paulson [Tue, 20 May 1997 11:41:56 +0200] rev 3240

New arithmetic laws let us delete three lines of a proof

paulson [Tue, 20 May 1997 11:41:26 +0200] rev 3239

Added comment: it is SLOW

paulson [Tue, 20 May 1997 11:41:01 +0200] rev 3238

Some theorems moved to HOL/Arith.ML

isabelle