Tue, 18 Nov 2014 16:19:57 +0100 kuncar generalize prove_schematic_quot_thm
Tue, 18 Nov 2014 16:19:51 +0100 kuncar added pred_def, rel_eq_onp tuned
Sun, 03 May 2015 00:01:10 +0200 wenzelm misc tuning, based on warnings by IntelliJ IDEA;
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