Sun, 10 Nov 2013 10:02:34 +0100 | haftmann | simplified: negative number is trivially smaller than 2, and SMT_Builtin.is_builtin_num implies that its argument is a number | changeset | files |
Fri, 08 Nov 2013 21:40:07 +0100 | nipkow | more exercises | changeset | files |