update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / fsb_feqx.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb_feqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb_feqx.ma
index c7311efe73e72a7d860e40f5491f1ba9e32e9ad9..251fef0ebf3aa6470104dc04be08efc8070d3d02 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb_feqx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb_feqx.ma
@@ -19,8 +19,8 @@ include "basic_2/rt_computation/fsb.ma".
 
 (* Properties with sort-irrelevant equivalence for closures *****************)
 
-lemma fsb_feqx_trans: ∀h,G1,L1,T1. ≥[h] 𝐒❪G1,L1,T1❫ →
-                      ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ≥[h] 𝐒❪G2,L2,T2❫.
+lemma fsb_feqx_trans: ∀h,G1,L1,T1. ≥𝐒[h] ❪G1,L1,T1❫ →
+                      ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ≥𝐒[h] ❪G2,L2,T2❫.
 #h #G1 #L1 #T1 #H @(fsb_ind_alt … H) -G1 -L1 -T1
 #G1 #L1 #T1 #_ #IH #G2 #L2 #T2 #H12
 @fsb_intro #G #L #T #H2