TESTING intro_rec comp_org adv_prog theory in satisfied() with self-e: $VAR1 = \
{
          'adv_prog' => '1',
          'intro_cs' => '1',
          'theory' => '1',
          'comp_org' => '1',
          'intro_req' => '1'
        };
Use of uninitialized value in sprintf at blib/lib/AI/Proplog.pm line 70.
Use of uninitialized value in sprintf at blib/lib/AI/Proplog.pm line 70.
prop(intro_rec): intro_rec dr:  dr2:  dump: $VAR1 = {
          'adv_prog' => '1',
          'intro_cs' => '1',
          'theory' => '1',
          'comp_org' => '1',
          'intro_req' => '1'
        };