X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground%2Farith%2Fnat_succ.ma;h=bb2300f021a2e549d6f25bbb13dd49ace62a07cc;hb=4d232392091ee233afc26ecf3120dd5f5c6a33c8;hp=63627965422fbdbc5a604e86c774497d3516f433;hpb=888840f6b3a71d3d686b53b702d362ab90ab0038;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/ground/arith/nat_succ.ma b/matita/matita/contribs/lambdadelta/ground/arith/nat_succ.ma index 636279654..bb2300f02 100644 --- a/matita/matita/contribs/lambdadelta/ground/arith/nat_succ.ma +++ b/matita/matita/contribs/lambdadelta/ground/arith/nat_succ.ma @@ -60,7 +60,7 @@ lemma nat_ind_2_succ (Q:relation2 …): #m #IH #n @(nat_ind_succ … n) -n /2 width=1 by/ qed-. -(* Basic inversions ***************************************************************) +(* Basic inversions *********************************************************) (*** injective_S *) lemma eq_inv_nsucc_bi: injective … nsucc.