Mon, 17 May 1999 10:38:47 +0200 paulson new thm extend_JN; renamed extend_leadsto
Mon, 17 May 1999 10:38:08 +0200 paulson "component" now an infix
Mon, 17 May 1999 10:37:07 +0200 paulson indentation
(0) -3000 -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip