X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcpxs_cnx.ma;h=001efe155e66677d55e5ce423fbcdc98f2176abc;hb=6167cca50de37eba76a062537b24f7caef5b34f2;hp=1dfedff90894398f846768b9a3109c6b473e4120;hpb=6d49221c1fefe6a2c5bddb3db24d3698414a700f;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_cnx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_cnx.ma
index 1dfedff90..001efe155 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_cnx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/cpxs_cnx.ma
@@ -20,7 +20,7 @@ include "basic_2/rt_computation/cpxs.ma".
 (* Inversion lemmas with normal terms ***************************************)
 
 lemma cpxs_inv_cnx1: ∀h,o,G,L,T1,T2. ⦃G, L⦄ ⊢ T1 ⬈*[h] T2 → ⦃G, L⦄ ⊢ ⬈[h, o] 𝐍⦃T1⦄ →
-                     T1 ≡[h, o] T2.
+                     T1 ≛[h, o] T2.
 #h #o #G #L #T1 #T2 #H @(cpxs_ind_dx … H) -T1
 /5 width=8 by cnx_tdeq_trans, tdeq_trans/
 qed-.