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src/HOL/MiniML/MiniML.thy
changeset 4502 337c073de95e
parent 2525 477c05586286
child 14422 b8da5f258b04 
--- a/src/HOL/MiniML/MiniML.thy	Mon Dec 29 21:39:22 1997 +0100
+++ b/src/HOL/MiniML/MiniML.thy	Tue Dec 30 11:14:09 1997 +0100
@@ -23,7 +23,7 @@
 
 inductive has_type
 intrs
-        VarI "[| n < length A; t <| (nth n A) |] ==> A |- Var n :: t"
+        VarI "[| n < length A; t <| A!n |] ==> A |- Var n :: t"
         AbsI "[| (mk_scheme t1)#A |- e :: t2 |] ==> A |- Abs e :: t1 -> t2"
         AppI "[| A |- e1 :: t2 -> t1; A |- e2 :: t2 |] 
               ==> A |- App e1 e2 :: t1"
isabelle