update in ground_2, static_2, basic_2, apps_2, alpha_1

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_csx.ma b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_csx.ma
index 8e7c7793a2dacdf8c2e99fe16331415642af8564..f9f97bca8c91aea82c7c9dbb64d56b4e7bc738e6 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_csx.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/rt_computation/rsx_csx.ma
@@ -21,8 +21,8 @@ include "basic_2/rt_computation/jsx_rsx.ma".
 (* Forward lemmas with strongly rt-normalizing terms ************************)
 
 fact rsx_fwd_lref_pair_csx_aux (h) (G):
-     â\88\80L. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â¦\83Lâ¦\84 →
-     ∀I,K,V. L = K.ⓑ{I}V → ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄.
+     â\88\80L. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â\9dªLâ\9d« →
+     ∀I,K,V. L = K.ⓑ[I]V → ❪G,K❫ ⊢ ⬈*[h] 𝐒❪V❫.
 #h #G #L #H
 @(rsx_ind … H) -L #L #_ #IH #I #K #V1 #H destruct
 @csx_intro #V2 #HV12 #HnV12
@@ -34,17 +34,17 @@ fact rsx_fwd_lref_pair_csx_aux (h) (G):
 qed-.
 
 lemma rsx_fwd_lref_pair_csx (h) (G):
-      â\88\80I,K,V. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â¦\83K.â\93\91{I}Vâ¦\84 â\86\92 â¦\83G,Kâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84.
+      â\88\80I,K,V. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â\9dªK.â\93\91[I]Vâ\9d« â\86\92 â\9dªG,Kâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d«.
 /2 width=4 by rsx_fwd_lref_pair_csx_aux/ qed-.
 
 lemma rsx_fwd_lref_pair_csx_drops (h) (G):
-      ∀I,K,V,i,L. ⇩*[i] L ≘ K.ⓑ{I}V → G ⊢ ⬈*[h,#i] 𝐒⦃L⦄ → ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄.
+      ∀I,K,V,i,L. ⇩*[i] L ≘ K.ⓑ[I]V → G ⊢ ⬈*[h,#i] 𝐒❪L❫ → ❪G,K❫ ⊢ ⬈*[h] 𝐒❪V❫.
 #h #G #I #K #V #i elim i -i
 [ #L #H >(drops_fwd_isid … H) -H
   /2 width=2 by rsx_fwd_lref_pair_csx/
 | #i #IH #L #H1 #H2
   elim (drops_inv_bind2_isuni_next … H1) -H1 // #J #Y #HY #H destruct
-  lapply (rsx_inv_lifts â\80¦ H2 â\80¦ (ð\9d\90\94â\9d´1â\9dµ) ?????) -H2
+  lapply (rsx_inv_lifts â\80¦ H2 â\80¦ (ð\9d\90\94â\9d¨1â\9d©) ?????) -H2
   /3 width=6 by drops_refl, drops_drop/
 ]
 qed-.
@@ -52,20 +52,20 @@ qed-.
 (* Inversion lemmas with strongly rt-normalizing terms **********************)
 
 lemma rsx_inv_lref_pair (h) (G):
-      â\88\80I,K,V. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â¦\83K.â\93\91{I}Vâ¦\84 →
-      â\88§â\88§ â¦\83G,Kâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84  & G â\8a¢ â¬\88*[h,V] ð\9d\90\92â¦\83Kâ¦\84.
+      â\88\80I,K,V. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â\9dªK.â\93\91[I]Vâ\9d« →
+      â\88§â\88§ â\9dªG,Kâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d«  & G â\8a¢ â¬\88*[h,V] ð\9d\90\92â\9dªKâ\9d«.
 /3 width=2 by rsx_fwd_lref_pair_csx, rsx_fwd_pair, conj/ qed-.
 
 lemma rsx_inv_lref_pair_drops (h) (G):
-      ∀I,K,V,i,L. ⇩*[i] L ≘ K.ⓑ{I}V → G ⊢ ⬈*[h,#i] 𝐒⦃L⦄ →
-      â\88§â\88§ â¦\83G,Kâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84 & G â\8a¢ â¬\88*[h,V] ð\9d\90\92â¦\83Kâ¦\84.
+      ∀I,K,V,i,L. ⇩*[i] L ≘ K.ⓑ[I]V → G ⊢ ⬈*[h,#i] 𝐒❪L❫ →
+      â\88§â\88§ â\9dªG,Kâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d« & G â\8a¢ â¬\88*[h,V] ð\9d\90\92â\9dªKâ\9d«.
 /3 width=5 by rsx_fwd_lref_pair_csx_drops, rsx_fwd_lref_pair_drops, conj/ qed-.
 
 lemma rsx_inv_lref_drops (h) (G):
-      â\88\80L,i. G â\8a¢ â¬\88*[h,#i] ð\9d\90\92â¦\83Lâ¦\84 →
-      â\88¨â\88¨ â\87©*[â\92»,ð\9d\90\94â\9d´iâ\9dµ] L ≘ ⋆
-       | ∃∃I,K. ⇩*[i] L ≘ K.ⓤ{I}
-       | ∃∃I,K,V. ⇩*[i] L ≘ K.ⓑ{I}V & ⦃G,K⦄ ⊢ ⬈*[h] 𝐒⦃V⦄ & G ⊢ ⬈*[h,V] 𝐒⦃K⦄.
+      â\88\80L,i. G â\8a¢ â¬\88*[h,#i] ð\9d\90\92â\9dªLâ\9d« →
+      â\88¨â\88¨ â\87©*[â\92»,ð\9d\90\94â\9d¨iâ\9d©] L ≘ ⋆
+       | ∃∃I,K. ⇩*[i] L ≘ K.ⓤ[I]
+       | ∃∃I,K,V. ⇩*[i] L ≘ K.ⓑ[I]V & ❪G,K❫ ⊢ ⬈*[h] 𝐒❪V❫ & G ⊢ ⬈*[h,V] 𝐒❪K❫.
 #h #G #L #i #H elim (drops_F_uni L i)
 [ /2 width=1 by or3_intro0/
 | * * /4 width=10 by rsx_fwd_lref_pair_csx_drops, rsx_fwd_lref_pair_drops, ex3_3_intro, ex1_2_intro, or3_intro2, or3_intro1/
@@ -77,9 +77,9 @@ qed-.
 (* Note: swapping the eliminations to avoid rsx_cpx_trans: no solution found *)
 (* Basic_2A1: uses: lsx_lref_be_lpxs *)
 lemma rsx_lref_pair_lpxs (h) (G):
-      â\88\80K1,V. â¦\83G,K1â¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84 →
-      â\88\80K2. G â\8a¢ â¬\88*[h,V] ð\9d\90\92â¦\83K2â¦\84 â\86\92 â¦\83G,K1â¦\84 ⊢ ⬈*[h] K2 →
-      â\88\80I. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â¦\83K2.â\93\91{I}Vâ¦\84.
+      â\88\80K1,V. â\9dªG,K1â\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d« →
+      â\88\80K2. G â\8a¢ â¬\88*[h,V] ð\9d\90\92â\9dªK2â\9d« â\86\92 â\9dªG,K1â\9d« ⊢ ⬈*[h] K2 →
+      â\88\80I. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â\9dªK2.â\93\91[I]Vâ\9d«.
 #h #G #K1 #V #H
 @(csx_ind_cpxs … H) -V #V0 #_ #IHV0 #K2 #H
 @(rsx_ind … H) -K2 #K0 #HK0 #IHK0 #HK10 #I
@@ -96,25 +96,25 @@ elim (teqx_dec V0 V2) #HnV02 destruct [ -IHV0 -HV02 -HK0 | -IHK0 -HnY ]
 qed.
 
 lemma rsx_lref_pair (h) (G):
-      â\88\80K,V. â¦\83G,Kâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84 â\86\92 G â\8a¢ â¬\88*[h,V] ð\9d\90\92â¦\83Kâ¦\84 â\86\92 â\88\80I. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â¦\83K.â\93\91{I}Vâ¦\84.
+      â\88\80K,V. â\9dªG,Kâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d« â\86\92 G â\8a¢ â¬\88*[h,V] ð\9d\90\92â\9dªKâ\9d« â\86\92 â\88\80I. G â\8a¢ â¬\88*[h,#0] ð\9d\90\92â\9dªK.â\93\91[I]Vâ\9d«.
 /2 width=3 by rsx_lref_pair_lpxs/ qed.
 
 (* Basic_2A1: uses: lsx_lref_be *)
 lemma rsx_lref_pair_drops (h) (G):
-      â\88\80K,V. â¦\83G,Kâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Vâ¦\84 â\86\92 G â\8a¢ â¬\88*[h,V] ð\9d\90\92â¦\83Kâ¦\84 →
-      ∀I,i,L. ⇩*[i] L ≘ K.ⓑ{I}V → G ⊢ ⬈*[h,#i] 𝐒⦃L⦄.
+      â\88\80K,V. â\9dªG,Kâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªVâ\9d« â\86\92 G â\8a¢ â¬\88*[h,V] ð\9d\90\92â\9dªKâ\9d« →
+      ∀I,i,L. ⇩*[i] L ≘ K.ⓑ[I]V → G ⊢ ⬈*[h,#i] 𝐒❪L❫.
 #h #G #K #V #HV #HK #I #i elim i -i
 [ #L #H >(drops_fwd_isid … H) -H /2 width=1 by rsx_lref_pair/
 | #i #IH #L #H
   elim (drops_inv_bind2_isuni_next … H) -H // #J #Y #HY #H destruct
-  @(rsx_lifts â\80¦ (ð\9d\90\94â\9d´1â\9dµ)) /3 width=6 by drops_refl, drops_drop/ (**) (* full auto fails *)
+  @(rsx_lifts â\80¦ (ð\9d\90\94â\9d¨1â\9d©)) /3 width=6 by drops_refl, drops_drop/ (**) (* full auto fails *)
 ]
 qed.
 
 (* Main properties with strongly rt-normalizing terms ***********************)
 
 (* Basic_2A1: uses: csx_lsx *)
-theorem csx_rsx (h) (G): â\88\80L,T. â¦\83G,Lâ¦\84 â\8a¢ â¬\88*[h] ð\9d\90\92â¦\83Tâ¦\84 â\86\92 G â\8a¢ â¬\88*[h,T] ð\9d\90\92â¦\83Lâ¦\84.
+theorem csx_rsx (h) (G): â\88\80L,T. â\9dªG,Lâ\9d« â\8a¢ â¬\88*[h] ð\9d\90\92â\9dªTâ\9d« â\86\92 G â\8a¢ â¬\88*[h,T] ð\9d\90\92â\9dªLâ\9d«.
 #h #G #L #T @(fqup_wf_ind_eq (Ⓣ) … G L T) -G -L -T
 #Z #Y #X #IH #G #L * *
 [ //