update in static_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_transition / rpx_drops.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_drops.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_drops.ma
index ea4d621145b37619153dbd87489c1078b78798e1..eaf81190d77217ce6bc0422952c171a73de348b1 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_drops.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_transition/rpx_drops.ma
@@ -33,6 +33,6 @@ lemma rpx_inv_lifts_dx (h) (G): f_dropable_dx (cpx h G).
 
 lemma rpx_inv_lifts_bi (h) (G):
                        ∀L1,L2,U. ⦃G,L1⦄ ⊢ ⬈[h,U] L2 → ∀b,f. 𝐔⦃f⦄ →
-                       â\88\80K1,K2. â¬\87*[b,f] L1 â\89\98 K1 â\86\92 â¬\87*[b,f] L2 ≘ K2 →
-                       â\88\80T. â¬\86*[f]T ≘ U → ⦃G,K1⦄ ⊢ ⬈[h,T] K2.
+                       â\88\80K1,K2. â\87©*[b,f] L1 â\89\98 K1 â\86\92 â\87©*[b,f] L2 ≘ K2 →
+                       â\88\80T. â\87§*[f]T ≘ U → ⦃G,K1⦄ ⊢ ⬈[h,T] K2.
 /2 width=10 by rex_inv_lifts_bi/ qed-.