Fri, 05 Oct 2007 23:04:16 +0200 wenzelm added burrow_options;
Fri, 05 Oct 2007 23:04:14 +0200 wenzelm tuned proofs (via polymorphic taking'');
Fri, 05 Oct 2007 22:00:17 +0200 wenzelm export get_consumes;
Fri, 05 Oct 2007 22:00:15 +0200 wenzelm tuned Induct interface: prefer pred'' over set'';
Fri, 05 Oct 2007 22:00:13 +0200 wenzelm coinduct: instantiation refers to suffix of main prop (major premise or conclusion);
Fri, 05 Oct 2007 22:00:11 +0200 wenzelm tuned induct etc.;
Fri, 05 Oct 2007 20:10:35 +0200 wenzelm execute/system: non-critical;
Fri, 05 Oct 2007 20:10:33 +0200 wenzelm subtract: minor performance tuning;
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