Sun, 01 May 2016 17:26:27 +0200 nipkow the standard While-rule
Fri, 29 Apr 2016 01:21:44 +0200 wenzelm re-tuned c9605a284fba, which impacts performance significantly (for unclear reasons) -- make AFP/Collections build again;
Thu, 28 Apr 2016 15:42:52 +0200 wenzelm unfold is subject to unfold_abs_def (still inactive);
Thu, 28 Apr 2016 11:47:01 +0200 wenzelm tuned;
Thu, 28 Apr 2016 11:34:26 +0200 wenzelm NEWS;
Thu, 28 Apr 2016 11:31:36 +0200 wenzelm clarified order: params/prems/concl interchangeable with !!/==> proposition;
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