milestone in basic_2 with additions in static_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 5aee3ad12030883c8754776cf334c0efbc2629ed..c76781d117fcfb7ecf7a04f265aea2eef98c4a69 100644 (file)
--- a/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/relocation/lifts_tdeq.ma
@@ -38,6 +38,9 @@ lemma tdeq_lifts_sn: liftable2_sn tdeq.
 ]
 qed-.
 
+lemma tdeq_lifts_dx: liftable2_dx tdeq.
+/3 width=3 by tdeq_lifts_sn, liftable2_sn_dx, tdeq_sym/ qed-.
+
 lemma tdeq_lifts_bi: liftable2_bi tdeq.
 /3 width=6 by tdeq_lifts_sn, liftable2_sn_bi/ qed-.