lower skolem penalty to ensure that some useful facts with existentials, e.g. congruence of "setsum", eventually get picked up
--- a/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML Wed May 16 18:16:51 2012 +0200
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_provers.ML Wed May 16 18:16:51 2012 +0200
@@ -223,7 +223,7 @@
higher_order_irrel_weight = 1.05,
abs_rel_weight = 0.5,
abs_irrel_weight = 2.0,
- skolem_irrel_weight = 0.25,
+ skolem_irrel_weight = 0.05,
theory_const_rel_weight = 0.5,
theory_const_irrel_weight = 0.25,
chained_const_irrel_weight = 0.25,