Tue, 30 Sep 2008 23:31:40 +0200 unit_source: explicit treatment of 'oops' proofs;
wenzelm [Tue, 30 Sep 2008 23:31:40 +0200] rev 28438
unit_source: explicit treatment of 'oops' proofs;
Tue, 30 Sep 2008 23:31:38 +0200 promise_proof: proper statement with empty vars;
wenzelm [Tue, 30 Sep 2008 23:31:38 +0200] rev 28437
promise_proof: proper statement with empty vars;
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