--- a/src/HOL/Tools/Sledgehammer/sledgehammer_isar.ML Sat Jan 05 22:31:30 2013 +0100
+++ b/src/HOL/Tools/Sledgehammer/sledgehammer_isar.ML Sat Jan 05 22:31:30 2013 +0100
@@ -345,6 +345,11 @@
member (op =) params_for_minimize name
fun string_for_raw_param (key, values) =
key ^ (case implode_param values of "" => "" | value => " = " ^ value)
+fun nice_string_for_raw_param (p as (key, ["false"])) =
+ (case AList.find (op =) negated_alias_params key of
+ [neg] => neg
+ | _ => string_for_raw_param p)
+ | nice_string_for_raw_param p = string_for_raw_param p
fun minimize_command override_params i more_override_params prover_name
fact_names =
@@ -354,7 +359,7 @@
|> filter_out (AList.defined (op =) more_override_params o fst)) @
more_override_params
|> filter is_raw_param_relevant_for_minimize
- |> map string_for_raw_param
+ |> map nice_string_for_raw_param
|> (if prover_name = default_minimize_prover then I else cons prover_name)
|> space_implode ", "
in