src/HOL/Fun.thy
changeset 69913 ca515cf61651
parent 69768 7e4966eaf781
     1.1 --- a/src/HOL/Fun.thy	Thu Mar 14 16:35:58 2019 +0100
     1.2 +++ b/src/HOL/Fun.thy	Thu Mar 14 16:55:06 2019 +0100
     1.3 @@ -8,7 +8,7 @@
     1.4  
     1.5  theory Fun
     1.6    imports Set
     1.7 -  keywords "functor" :: thy_goal
     1.8 +  keywords "functor" :: thy_goal_defn
     1.9  begin
    1.10  
    1.11  lemma apply_inverse: "f x = u \<Longrightarrow> (\<And>x. P x \<Longrightarrow> g (f x) = x) \<Longrightarrow> P x \<Longrightarrow> x = g u"