X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Flfdeq_lfeq.ma;h=39d933b76b07213d357e154f2617b8a23be03c22;hb=75f395f0febd02de8e0f881d918a8812b1425c8d;hp=8d13d1984587b498e43aeae02326aadb509fb986;hpb=d59f344b1e4b377e2f06abd9f8856d686d21b222;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/lfdeq_lfeq.ma b/matita/matita/contribs/lambdadelta/basic_2/static/lfdeq_lfeq.ma
index 8d13d1984..39d933b76 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lfdeq_lfeq.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lfdeq_lfeq.ma
@@ -19,9 +19,9 @@ include "basic_2/static/lfdeq.ma".
 
 (* Properties with syntactic equivalence on referred entries ****************)
 
-lemma lfeq_lfdeq: ∀h,o,L1,L2. ∀T:term. L1 ≐[T] L2 → L1 ≛[h, o, T] L2.
+lemma lfeq_lfdeq: ∀h,o,L1,L2. ∀T:term. L1 ≡[T] L2 → L1 ≛[h, o, T] L2.
 /2 width=3 by lfxs_co/ qed.
 
-lemma lfeq_lfdeq_trans: ∀h,o,L1,L. ∀T:term. L1 ≐[T] L →
+lemma lfeq_lfdeq_trans: ∀h,o,L1,L. ∀T:term. L1 ≡[T] L →
                         ∀L2. L ≛[h, o, T] L2 → L1 ≛[h, o, T] L2.
 /2 width=3 by lfeq_lfxs_trans/ qed-.