Sat, 01 Oct 2016 19:29:48 +0200 wenzelm tuned proofs;
Sat, 01 Oct 2016 17:38:14 +0200 wenzelm Isar proof of Schroeder_Bernstein without using Hilbert_Choice (and metis);
Sat, 01 Oct 2016 17:16:35 +0200 wenzelm clarified lfp/gfp statements and proofs;
Sat, 01 Oct 2016 15:21:43 +0200 Lars Hupel repair LaTeX
Sat, 01 Oct 2016 12:03:27 +0200 wenzelm misc tuning for release;
Sat, 01 Oct 2016 11:14:00 +0200 wenzelm added lemma;
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