X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fdatatypes%2Fbool.ma;h=dc397a1b2d978996f32ca319b8b3befe2cad1493;hb=cb89a1eebdd620d7e1c593fa279e74d4c715b8bf;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.