# HG changeset patch # User paulson # Date 1525809776 -3600 # Node ID bdb2837399f1ceacb18582cd8b3651ec04bda536 # Parent a49cf225fc9787e5cb1af9ca9af58c7f73a26398 one tiny fix diff -r a49cf225fc97 -r bdb2837399f1 src/HOL/Probability/Fin_Map.thy --- a/src/HOL/Probability/Fin_Map.thy Tue May 08 19:00:17 2018 +0100 +++ b/src/HOL/Probability/Fin_Map.thy Tue May 08 21:02:56 2018 +0100 @@ -203,7 +203,7 @@ have A_notempty: "\i. i \ domain x \ A i \ {}" using open_sub[of _ "\_. UNIV"] by auto let ?A = "(\f. Pi' (domain x) f) ` (Pi\<^sub>E (domain x) A)" show "\A::nat \ ('a\\<^sub>F'b) set. (\i. x \ (A i) \ open (A i)) \ (\S. open S \ x \ S \ (\i. A i \ S))" - proof (rule first_countableI[where A="?A"], safe) + proof (rule first_countableI[of "?A"], safe) show "countable ?A" using A by (simp add: countable_PiE) next fix S::"('a \\<^sub>F 'b) set" assume "open S" "x \ S"