Sun, 29 May 2016 14:10:48 +0200 nipkow added subtheory of longest common prefix
Fri, 27 May 2016 23:58:24 +0200 wenzelm tuned proofs;
Fri, 27 May 2016 23:35:13 +0200 wenzelm tuned proofs;
Fri, 27 May 2016 20:23:55 +0200 wenzelm tuned proofs, to allow unfold_abs_def;
Fri, 27 May 2016 20:13:06 +0200 wenzelm clarified "unfold" operations;
Fri, 27 May 2016 12:53:14 +0200 wenzelm tuned proof;
Thu, 26 May 2016 17:51:22 +0200 wenzelm isabelle update_cartouches -c -t;
Thu, 26 May 2016 16:57:14 +0200 wenzelm tuned spelling;
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