Fri, 24 Sep 2021 22:23:26 +0200 tuned proofs --- avoid 'guess';
wenzelm [Fri, 24 Sep 2021 22:23:26 +0200] rev 74362
tuned proofs --- avoid 'guess';
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -1 +1 +10 +30 +100 +300 +1000 +3000 tip