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src/HOL/Tools/SMT/smtlib.ML
changeset 67399 eab6ce8368fa
parent 61877 276ad4354069
child 67405 e9ab4ad7bd15 
--- a/src/HOL/Tools/SMT/smtlib.ML	Wed Jan 10 15:21:49 2018 +0100
+++ b/src/HOL/Tools/SMT/smtlib.ML	Wed Jan 10 15:25:09 2018 +0100
@@ -67,7 +67,7 @@
 
 (* hex numbers *)
 
-val is_hex = member (op =) (raw_explode "0123456789abcdefABCDEF")
+val is_hex = member (=) (raw_explode "0123456789abcdefABCDEF")
 
 fun within c1 c2 c = (ord c1 <= ord c andalso ord c <= ord c2)
isabelle