notational change for lexs

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / static / lfxs_fqup.ma

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 50fb764fa197601c152bdf5d92024186d287bc8b..c54aaa406d9e9bfd4ee4bed51af281c853ba9239 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
@@ -19,12 +19,13 @@ include "basic_2/static/lfxs.ma".
 
 (* Advanced properties ******************************************************)
 
-lemma lfxs_refl: ∀R. (∀L. reflexive … (R L)) → ∀L,T. L ⦻*[R, T] L.
+(* Basic_2A1: uses: llpx_sn_refl *)
+lemma lfxs_refl: ∀R. (∀L. reflexive … (R L)) → ∀L,T. L ⪤*[R, T] L.
 #R #HR #L #T elim (frees_total L T) /3 width=3 by lexs_refl, ex2_intro/
 qed.
 
 lemma lfxs_pair: ∀R. (∀L. reflexive … (R L)) →
-                 â\88\80L,V1,V2. R L V1 V2 â\86\92 â\88\80I,T. L.â\93\91{I}V1 ⦻*[R, T] L.ⓑ{I}V2.
+                 â\88\80L,V1,V2. R L V1 V2 â\86\92 â\88\80I,T. L.â\93\91{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