Fri, 31 Jan 1997 17:51:42 +0100 paulson Declaration of ccontr (classical contradiction) for HOL compatibility
Fri, 31 Jan 1997 17:50:47 +0100 paulson Correction to Problem 24
Fri, 31 Jan 1997 17:17:10 +0100 paulson Correction to Problem 24
(0) -1000 -300 -100 -30 -10 -3 +3 +10 +30 +100 +300 +1000 +3000 +10000 +30000 tip