Tue, 07 Feb 2006 19:56:58 +0100 adapted Sign.infer_types;
wenzelm [Tue, 07 Feb 2006 19:56:58 +0100] rev 18974
adapted Sign.infer_types; removed obsolete lambda' -- same as Term.lambda;
Tue, 07 Feb 2006 19:56:57 +0100 has_duplicates;
wenzelm [Tue, 07 Feb 2006 19:56:57 +0100] rev 18973
has_duplicates;
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