Sun, 04 Jan 2009 15:40:30 +0100 wenzelm more precise is_relevant: requires original main goal, not initial goal state;
Sun, 04 Jan 2009 15:28:40 +0100 wenzelm tuned protect, conclude: Drule.comp_no_flatten;
Sun, 04 Jan 2009 15:28:09 +0100 wenzelm added comp_no_flatten;
Sun, 04 Jan 2009 00:01:16 +0100 wenzelm future proofs: back to Future.fork_pri ~1 for improved parallelism;
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