Tue, 25 May 2010 18:38:52 +0200 Cezary Kaliszyk Substitution Lemma for TypeSchemes.
Tue, 25 May 2010 17:29:05 +0200 Cezary Kaliszyk Simplified the proof
(0) -1000 -300 -100 -30 -10 -2 +2 +10 +30 +100 +300 +1000 tip