Thu, 13 Jul 2000 23:19:08 +0200 wenzelm fix(_i): admit internal variables;
Thu, 13 Jul 2000 23:18:36 +0200 wenzelm use ProofContext.bind_skolem;
Thu, 13 Jul 2000 23:17:44 +0200 wenzelm defs: (overloaded) option;
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