X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Ffpbg.ma;h=b14847da03a338bfb3bda7ebad945b551e82f4fd;hp=2c2f375f2bc141e0607f445ddb2f08fdbb584c8b;hb=a454837a256907d2f83d42ced7be847e10361ea9;hpb=b4283c079ed7069016b8d924bbc7e08872440829

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg.ma
index 2c2f375f2..b14847da0 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fpbg.ma
@@ -39,7 +39,7 @@ lemma fpbg_fpbq_trans: ∀h,G1,G,G2,L1,L,L2,T1,T,T2.
 qed-.
 
 lemma fpbg_fqu_trans (h): ∀G1,G,G2,L1,L,L2,T1,T,T2.
-                          ⦃G1,L1,T1⦄ >[h] ⦃G,L,T⦄ → ⦃G,L,T⦄ ⊐ ⦃G2,L2,T2⦄ →
+                          ⦃G1,L1,T1⦄ >[h] ⦃G,L,T⦄ → ⦃G,L,T⦄ ⬂ ⦃G2,L2,T2⦄ →
                           ⦃G1,L1,T1⦄ >[h] ⦃G2,L2,T2⦄.
 #h #G1 #G #G2 #L1 #L #L2 #T1 #T #T2 #H1 #H2
 /4 width=5 by fpbg_fpbq_trans, fpbq_fquq, fqu_fquq/