Sun, 05 Jun 2011 16:58:18 +0100 Christian Urban added a more general lemma fro fundef_ex1
Sat, 04 Jun 2011 14:50:57 +0900 Cezary Kaliszyk Trying the induction on the graph
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 tip