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src/HOL/Mirabelle/Tools/mirabelle_sledgehammer_filter.ML
changeset 54143 18def1c73c79
parent 54128 da2b75a04da6
child 55198 7a538e58b64e 
--- a/src/HOL/Mirabelle/Tools/mirabelle_sledgehammer_filter.ML	Thu Oct 17 23:41:00 2013 +0200
+++ b/src/HOL/Mirabelle/Tools/mirabelle_sledgehammer_filter.ML	Fri Oct 18 00:05:31 2013 +0200
@@ -128,6 +128,7 @@
                Sledgehammer_Fact.no_fact_override reserved css_table chained_ths
                hyp_ts concl_t
            |> filter (is_appropriate_prop o prop_of o snd)
+           |> Sledgehammer_Fact.drop_duplicate_facts
            |> Sledgehammer_MePo.mepo_suggested_facts ctxt params
                   (the_default default_max_facts max_facts) (SOME relevance_fudge) hyp_ts concl_t
             |> map (fst o fst)
isabelle