X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fstatic%2Ffdeq_fqus.ma;h=ce0dda0d051658cd62af6194761e0409b23b0e06;hp=26ae320e7094f548c9f00494c49ccb0a970318c7;hb=a454837a256907d2f83d42ced7be847e10361ea9;hpb=b4283c079ed7069016b8d924bbc7e08872440829

diff --git a/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma b/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma
index 26ae320e7..ce0dda0d0 100644
--- a/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma
+++ b/matita/matita/contribs/lambdadelta/static_2/static/fdeq_fqus.ma
@@ -20,8 +20,8 @@ include "static_2/static/fdeq.ma".
 (* Properties with star-iterated structural successor for closures **********)
 
 lemma fdeq_fqus_trans: ∀b,G1,G,L1,L,T1,T. ⦃G1,L1,T1⦄ ≛ ⦃G,L,T⦄ →
-                       ∀G2,L2,T2. ⦃G,L,T⦄ ⊐*[b] ⦃G2,L2,T2⦄ →
-                       ∃∃G,L0,T0. ⦃G1,L1,T1⦄ ⊐*[b] ⦃G,L0,T0⦄ & ⦃G,L0,T0⦄ ≛ ⦃G2,L2,T2⦄.
+                       ∀G2,L2,T2. ⦃G,L,T⦄ ⬂*[b] ⦃G2,L2,T2⦄ →
+                       ∃∃G,L0,T0. ⦃G1,L1,T1⦄ ⬂*[b] ⦃G,L0,T0⦄ & ⦃G,L0,T0⦄ ≛ ⦃G2,L2,T2⦄.
 #b #G1 #G #L1 #L #T1 #T #H1 #G2 #L2 #T2 #H2
 elim(fdeq_inv_gen_dx … H1) -H1 #HG #HL1 #HT1 destruct
 elim (rdeq_fqus_trans … H2 … HL1) -L #L #T0 #H2 #HT02 #HL2