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4 (* ||A|| A project by Andrea Asperti *)
6 (* ||I|| Developers: *)
7 (* ||T|| The HELM team. *)
8 (* ||A|| http://helm.cs.unibo.it *)
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15 include "basic_2/static/lfxs_fqup.ma".
16 include "basic_2/rt_transition/lfpx.ma".
18 (* UNCOUNTED PARALLEL RT-TRANSITION FOR LOCAL ENV.S ON REFERRED ENTRIES *****)
20 (* Advanced properties ******************************************************)
22 lemma lfpx_refl: ∀h,G,T. reflexive … (lfpx h G T).
23 /2 width=1 by lfxs_refl/ qed.
25 lemma lfpx_pair: ∀h,G,L,V1,V2. ⦃G, L⦄ ⊢ V1 ⬈[h] V2 →
26 ∀I,T. ⦃G, L.ⓑ{I}V1⦄ ⊢ ⬈[h, T] L.ⓑ{I}V2.
27 /2 width=1 by lfxs_pair/ qed.