Thu, 30 Sep 1999 23:31:13 +0200 wenzelm removed ProofContext.declare_thm;
Thu, 30 Sep 1999 21:23:08 +0200 wenzelm local_def_i: typ option;
Thu, 30 Sep 1999 21:22:26 +0200 wenzelm fix_i, local_def_i: typ option;
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