huffman [Sun, 01 Oct 2006 03:07:12 +0200] rev 20805
generalize more DERIV proofs
wenzelm [Sat, 30 Sep 2006 21:39:31 +0200] rev 20804
statement: Variable.fix_frees;
wenzelm [Sat, 30 Sep 2006 21:39:29 +0200] rev 20803
added undo_end;
wenzelm [Sat, 30 Sep 2006 21:39:27 +0200] rev 20802
tuned proofs;
wenzelm [Sat, 30 Sep 2006 21:39:25 +0200] rev 20801
proper import of Main HOL;
wenzelm [Sat, 30 Sep 2006 21:39:24 +0200] rev 20800
tuned specifications and proofs;
wenzelm [Sat, 30 Sep 2006 21:39:22 +0200] rev 20799
hides popular names (from Datatype.thy);
wenzelm [Sat, 30 Sep 2006 21:39:20 +0200] rev 20798
removed obsolete sum_case_Inl/Inr;
moved 'hide' to Datatype_Universe;
tuned proofs;
wenzelm [Sat, 30 Sep 2006 21:39:17 +0200] rev 20797
renamed Variable.invent_fixes to Variable.variant_fixes;
huffman [Sat, 30 Sep 2006 20:54:34 +0200] rev 20796
generalize proofs of DERIV_isCont and DERIV_mult