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4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
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15 include "static_2/static/feqx.ma".
16 include "basic_2/rt_computation/csx_reqx.ma".
18 (* STRONGLY NORMALIZING TERMS FOR UNBOUND PARALLEL RT-TRANSITION ************)
20 (* Properties with sort-irrelevant equivalence for closures *****************)
22 lemma csx_feqx_conf: ∀h,G1,L1,T1. ❪G1,L1❫ ⊢ ⬈*[h] 𝐒❪T1❫ →
23 ∀G2,L2,T2. ❪G1,L1,T1❫ ≛ ❪G2,L2,T2❫ → ❪G2,L2❫ ⊢ ⬈*[h] 𝐒❪T2❫.
24 #h #G1 #L1 #T1 #HT1 #G2 #L2 #T2 * -G2 -L2 -T2
25 /3 width=3 by csx_reqx_conf, csx_teqx_trans/