Tue, 24 Apr 2018 22:22:08 +0100 paulson fixing more messy proofs
Tue, 24 Apr 2018 18:10:08 +0200 wenzelm more ambitious parallelism (in contrast to a8ee8e4884ec): pri = 1 ensures that internal proof tasks are executed before the already forked theory outline with pri = 0;
Tue, 24 Apr 2018 16:59:40 +0200 wenzelm eliminated pointless special case (see also a8ee8e4884ec, c4c4c2f01723);
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