]> matita.cs.unibo.it Git - helm.git/blobdiff - matita/matita/contribs/lambdadelta/basic_2/rt_computation/fsb_feqx.ma
milestone update in basic_2, update in ground and static_2
[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / rt_computation / fsb_feqx.ma
index 251fef0ebf3aa6470104dc04be08efc8070d3d02..159663b11ca223d17900155cca8997737ea06695 100644 (file)
@@ -19,9 +19,10 @@ include "basic_2/rt_computation/fsb.ma".
 
 (* Properties with sort-irrelevant equivalence for closures *****************)
 
-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
+lemma fsb_feqx_trans:
+      ∀G1,L1,T1. ≥𝐒 ❪G1,L1,T1❫ →
+      ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ≥𝐒 ❪G2,L2,T2❫.
+#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
 elim (feqx_fpb_trans … H12 … H2) -G2 -L2 -T2