X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Flfxs_fqup.ma;h=6bf9a269785ba9311aaa3998cb9478101abdefce;hb=5c186c72f508da0849058afeecc6877cd9ed6303;hp=cfbeb4c8f76ac89025988d7907a2c3229fcf3c5b;hpb=98fbba1b68d457807c73ebf70eb2a48696381da4;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma b/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
index cfbeb4c8f..6bf9a2697 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
@@ -25,8 +25,8 @@ lemma lfxs_refl: ∀R. (∀L. reflexive … (R L)) → ∀L,T. L ⪤*[R, T] L.
 /4 width=3 by lexs_refl, ext2_refl, ex2_intro/
 qed.
 
-lemma lfxs_pair: ∀R. (∀L. reflexive … (R L)) →
-                 ∀L,V1,V2. R L V1 V2 → ∀I,T. L.ⓑ{I}V1 ⪤*[R, T] L.ⓑ{I}V2.
+lemma lfxs_pair_refl: ∀R. (∀L. reflexive … (R L)) →
+                      ∀L,V1,V2. R L V1 V2 → ∀I,T. L.ⓑ{I}V1 ⪤*[R, T] L.ⓑ{I}V2.
 #R #HR #L #V1 #V2 #HV12 #I #T
 elim (frees_total (L.ⓑ{I}V1) T) #f #Hf
 elim (pn_split f) * #g #H destruct