Sat, 30 Sep 2006 21:39:31 +0200 wenzelm statement: Variable.fix_frees;
Sat, 30 Sep 2006 21:39:29 +0200 wenzelm added undo_end;
Sat, 30 Sep 2006 21:39:27 +0200 wenzelm tuned proofs;
Sat, 30 Sep 2006 21:39:25 +0200 wenzelm proper import of Main HOL;
Sat, 30 Sep 2006 21:39:24 +0200 wenzelm tuned specifications and proofs;
Sat, 30 Sep 2006 21:39:22 +0200 wenzelm hides popular names (from Datatype.thy);
Sat, 30 Sep 2006 21:39:20 +0200 wenzelm removed obsolete sum_case_Inl/Inr;
Sat, 30 Sep 2006 21:39:17 +0200 wenzelm renamed Variable.invent_fixes to Variable.variant_fixes;
Sat, 30 Sep 2006 20:54:34 +0200 huffman generalize proofs of DERIV_isCont and DERIV_mult
Sat, 30 Sep 2006 19:41:06 +0200 huffman generalized some DERIV proofs
Sat, 30 Sep 2006 18:04:28 +0200 huffman add scaleR lemmas
Sat, 30 Sep 2006 17:36:55 +0200 huffman generalize type of DERIV
Sat, 30 Sep 2006 17:10:55 +0200 huffman add type annotations for DERIV
Sat, 30 Sep 2006 14:32:36 +0200 mengj Combinator axioms are now from Isabelle theorems, no need to use helper files.
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