X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Frt_computation%2Fcsx_feqx.ma;h=dc64354d088f43c808a6ac381a3939376402fa64;hb=3c7b4071a9ac096b02334c1d47468776b948e2de;hp=7cf01b28dbfa103a451d62825d04db1c00f5caca;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b;p=helm.git diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma index 7cf01b28d..dc64354d0 100644 --- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma +++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/csx_feqx.ma @@ -15,12 +15,13 @@ include "static_2/static/feqx.ma". include "basic_2/rt_computation/csx_reqx.ma". -(* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************) +(* STRONGLY NORMALIZING TERMS FOR EXTENDED PARALLEL RT-TRANSITION ***********) (* Properties with sort-irrelevant equivalence for closures *****************) -lemma csx_feqx_conf: ∀h,G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*[h] 𝐒❪T1❫ → - ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*[h] 𝐒❪T2❫. -#h #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2 +lemma csx_feqx_conf: + ∀G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*𝐒 T1 → + ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*𝐒 T2. +#G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2 /3 width=3 by csx_reqx_conf, csx_teqx_trans/ qed-.