Tue, 28 Nov 2006 00:35:28 +0100 added add_fixed;
wenzelm [Tue, 28 Nov 2006 00:35:28 +0100] rev 21571
added add_fixed;
Tue, 28 Nov 2006 00:35:27 +0100 simplified '?' operator;
wenzelm [Tue, 28 Nov 2006 00:35:27 +0100] rev 21570
simplified '?' operator; defs: more robust transitivity proofs, expand target defs as well; tuned;
Tue, 28 Nov 2006 00:35:26 +0100 simplified '?' operator;
wenzelm [Tue, 28 Nov 2006 00:35:26 +0100] rev 21569
simplified '?' operator; note_thmss: no naming;
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