- lfpxs based on tc_lfxs

[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..e0fc99355ad35f3737909198277a0c22a1958d95 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/lfxs_fqup.ma
@@ -19,6 +19,7 @@ include "basic_2/static/lfxs.ma".
 
 (* Advanced properties ******************************************************)
 
+(* 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.