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Without the type constraint, the inner equality was NOT a biconditional...
authorpaulson
Mon, 21 Apr 1997 10:14:31 +0200
changeset 2997 86aaab39ebb1
parent 2996 2a311f90747c
child 2998 62a5230883bb
Without the type constraint, the inner equality was NOT a biconditional...
src/HOL/ex/cla.ML file | annotate | diff | comparison | revisions 
--- a/src/HOL/ex/cla.ML	Mon Apr 21 10:13:47 1997 +0200
+++ b/src/HOL/ex/cla.ML	Mon Apr 21 10:14:31 1997 +0200
@@ -18,7 +18,7 @@
 
 (*If and only if*)
 
-goal HOL.thy "(P=Q) = (Q=P::bool)";
+goal HOL.thy "(P=Q) = (Q = (P::bool))";
 by (Blast_tac 1);
 result();
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