X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fdatatypes%2Fbool.ma;h=dc397a1b2d978996f32ca319b8b3befe2cad1493;hb=1ba7566bacd8d29e772646b3c86c7d5c944e9a6e;hp=953471191b1ddb8b215c34998df0ed9822890c16;hpb=7bfd412f8023e814ef4b8da290e3c12ba71d5b80;p=helm.git

diff --git a/helm/software/matita/library/datatypes/bool.ma b/helm/software/matita/library/datatypes/bool.ma
index 953471191..dc397a1b2 100644
--- a/helm/software/matita/library/datatypes/bool.ma
+++ b/helm/software/matita/library/datatypes/bool.ma
@@ -37,7 +37,7 @@ unfold Not.intro.
 change with 
 match true with
 [ true \Rightarrow False
-| flase \Rightarrow True].
+| false \Rightarrow True].
 rewrite > H.simplify.exact I.
 qed.