Tue, 31 Mar 2009 21:39:56 +0200 ballarin Merged.
Tue, 31 Mar 2009 21:25:08 +0200 ballarin Improvements to the text.
Tue, 31 Mar 2009 22:23:33 +0200 wenzelm fixed header;
Tue, 31 Mar 2009 21:31:23 +0200 wenzelm fixed header;
Tue, 31 Mar 2009 21:31:04 +0200 wenzelm added dest_conjunctions (cf. Logic.dest_conjunctions);
Tue, 31 Mar 2009 20:40:25 +0200 wenzelm superficial tuning;
Tue, 31 Mar 2009 14:10:46 +0200 wenzelm merged
Tue, 31 Mar 2009 12:59:31 +0200 wenzelm merged
Tue, 31 Mar 2009 12:59:16 +0200 wenzelm schedule_futures: join tasks in regular bottom-up order, which potentially improves resource usage;
Tue, 31 Mar 2009 14:10:14 +0200 wenzelm updated latex requirement;
Tue, 31 Mar 2009 14:09:58 +0200 wenzelm tuned document;
Tue, 31 Mar 2009 14:09:28 +0200 wenzelm replaced 'a set by abstract 'a::complete_lattice, and recover plain reasoning instead of adhoc automation (by simp);
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