Wed, 08 Mar 2006 18:37:28 +0100 wenzelm infer_derivs: avoid allocating empty MinProof;
Wed, 08 Mar 2006 18:37:27 +0100 wenzelm tuned;
Wed, 08 Mar 2006 18:37:25 +0100 wenzelm Isar/method: goal restriction;
Wed, 08 Mar 2006 18:37:24 +0100 wenzelm constdecl: always allow 'where';
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