X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Frdeq_drops.ma;h=3a44480798ba19be67885cb579781a6f0f564db6;hp=6b9537f61add366ff1fdb87a4044a1b1c1d95bb6;hb=50a9ed8c6207145fccf59e6a5dbbff935cd2c6d7;hpb=d71e53021b0c17e1a00c2d623e7139c6d18069d5

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma b/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
index 6b9537f61..3a4448079 100644
--- a/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/rdeq_drops.ma
@@ -28,11 +28,9 @@ lemma rdeq_lifts_sn: ∀h,o. f_dedropable_sn (cdeq h o).
 lemma rdeq_inv_lifts_sn: ∀h,o. f_dropable_sn (cdeq h o).
 /2 width=5 by rex_dropable_sn/ qed-.
 
-(* Note: missing in basic_2A1 *)
 lemma rdeq_inv_lifts_dx: ∀h,o. f_dropable_dx (cdeq h o).
 /2 width=5 by rex_dropable_dx/ qed-.
 
-(* Basic_2A1: uses: lleq_inv_lift_le lleq_inv_lift_be lleq_inv_lift_ge *)
 lemma rdeq_inv_lifts_bi: ∀h,o,L1,L2,U. L1 ≛[h, o, U] L2 → ∀b,f. 𝐔⦃f⦄ →
                          ∀K1,K2. ⬇*[b, f] L1 ≘ K1 → ⬇*[b, f] L2 ≘ K2 →
                          ∀T. ⬆*[f] T ≘ U → K1 ≛[h, o, T] K2.