Thu, 27 Jul 2006 13:43:01 +0200 moved basic assumption operations from structure ProofContext to Assumption;
wenzelm [Thu, 27 Jul 2006 13:43:01 +0200] rev 20224
moved basic assumption operations from structure ProofContext to Assumption;
Thu, 27 Jul 2006 13:43:00 +0200 tuned proofs;
wenzelm [Thu, 27 Jul 2006 13:43:00 +0200] rev 20223
tuned proofs;
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