update in static_2 and basic_2

[helm.git] / matita / matita / contribs / lambdadelta / static_2 / relocation / lifts_tdeq.ma

diff --git a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
index fb5d8247f0d32188a677b6b18effa26094d79fb6..12affa3a16a3af71a20070431cb5b934cf22cabc 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
@@ -62,6 +62,9 @@ lemma tdeq_inv_lifts_sn: ∀h,o. deliftable2_sn (tdeq h o).
 ]
 qed-.
 
+lemma tdeq_inv_lifts_dx (h) (o): deliftable2_dx (tdeq h o).
+/3 width=3 by tdeq_inv_lifts_sn, deliftable2_sn_dx, tdeq_sym/ qed-.
+
 lemma tdeq_inv_lifts_bi: ∀h,o. deliftable2_bi (tdeq h o).
 /3 width=6 by tdeq_inv_lifts_sn, deliftable2_sn_bi/ qed-.