Tue, 04 Jul 2006 19:49:58 +0200 wenzelm instantiate_tfrees: Thm.generalize;
Tue, 04 Jul 2006 19:49:57 +0200 wenzelm removed parrot comment;
Tue, 04 Jul 2006 19:49:56 +0200 wenzelm Proof by guessing.
Tue, 04 Jul 2006 19:49:55 +0200 wenzelm guess: proper context for polymorphic parameters;
Tue, 04 Jul 2006 19:49:54 +0200 wenzelm polymorphic: always generalize wrt. used_types;
Tue, 04 Jul 2006 19:49:53 +0200 wenzelm varifyT: no longer pervasive;
Tue, 04 Jul 2006 19:49:52 +0200 wenzelm added generalize/instantiate_option;
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