Tue, 29 Jul 2014 17:13:25 +0200 hoelzl better ordering of positive_integral renaming to nn_integral in NEWS
Mon, 28 Jul 2014 12:31:30 +0200 desharna made tactic more robust w.r.t. dead variables; tuned;
Sun, 27 Jul 2014 21:20:11 +0200 blanchet do not embed 'nat' into 'int's in 'smt2' method -- this is highly inefficient and decreases the Sledgehammer success rate significantly
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