X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fmatita%2Flibrary%2Fequality.ma;h=90ce050e34e1fbb2db42df1c946439b61ede3f93;hb=12cc5b2b8e7f7bb0b5e315094b008a293a4df6b1;hp=d700ddd07cf8e5da6ab0d914ac1a3d0b90bcd416;hpb=d1c92207efd70bed92a69014c0264bee717992ba;p=helm.git diff --git a/helm/matita/library/equality.ma b/helm/matita/library/equality.ma index d700ddd07..90ce050e3 100644 --- a/helm/matita/library/equality.ma +++ b/helm/matita/library/equality.ma @@ -38,6 +38,13 @@ theorem f_equal: \forall A,B:Type.\forall f:A\to B. intros.elim H.reflexivity. qed. +default "equality" + cic:/matita/equality/eq.ind + cic:/matita/equality/sym_eq.con + cic:/matita/equality/trans_eq.con + cic:/matita/equality/eq_ind.con + cic:/matita/equality/eq_ind_r.con. + theorem f_equal2: \forall A,B,C:Type.\forall f:A\to B \to C. \forall x1,x2:A. \forall y1,y2:B. eq A x1 x2\to eq B y1 y2\to eq C (f x1 y1) (f x2 y2).