Sun, 27 Sep 2020 17:02:59 +0200 wenzelm ISABELLE_PDFLATEX is now lualatex;
Sat, 26 Sep 2020 18:59:12 +0200 nipkow added lemma
Sat, 26 Sep 2020 17:04:51 +0200 wenzelm less bulky session stack;
(0) -30000 -10000 -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 tip