--- 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();