| changeset 21559 | d24fb16e1a1d |
| parent 21502 | 7f3ea2b3bab6 |
| child 21985 | acfb13e8819e |
--- a/src/HOL/ex/Refute_Examples.thy Mon Nov 27 17:13:10 2006 +0100 +++ b/src/HOL/ex/Refute_Examples.thy Mon Nov 27 17:35:50 2006 +0100 @@ -163,8 +163,7 @@ oops lemma "\<forall>a b c d e. a=b | a=c | a=d | a=e | b=c | b=d | b=e | c=d | c=e | d=e" - refute -- {* quantification causes an expansion of the formula; the - previous version with free variables is refuted much faster *} + refute oops text {* "Every reflexive and symmetric relation is transitive." *}