X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fequivalence%2Fscpes.ma;h=fcc2ea9719622ad1229ced262ae95dc3941be06a;hb=d867d4f21d89308c02d06db83005b91241bc6171;hp=4e838fee01076a7f13b836c53d481238a043bdbd;hpb=5902d6da146ca78b0ed5d062e3968f52868147c5;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/equivalence/scpes.ma b/matita/matita/contribs/lambdadelta/basic_2/equivalence/scpes.ma
index 4e838fee0..fcc2ea971 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/equivalence/scpes.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/equivalence/scpes.ma
@@ -31,10 +31,6 @@ lemma scpds_div: ∀h,g,G,L,T1,T2,T,l1,l2.
                  ⦃G, L⦄ ⊢ T1 •*⬌*[h, g, l1, l2] T2.
 /2 width=3 by ex2_intro/ qed.
 
-lemma scpes_refl_O_O: ∀h,g,G,L,T,l. ⦃G, L⦄ ⊢ T ▪[h, g] l →
-                      ⦃G, L⦄ ⊢ T •*⬌*[h, g, 0, 0] T.
-/3 width=3 by scpds_refl, scpds_div/ qed.
-
 lemma scpes_sym: ∀h,g,G,L,T1,T2,l1,l2. ⦃G, L⦄ ⊢ T1 •*⬌*[h, g, l1, l2] T2 →
                  ⦃G, L⦄ ⊢ T2 •*⬌*[h, g, l2, l1] T1.
 #h #g #G #L #T1 #T2 #L1 #l2 * /2 width=3 by scpds_div/