- the relation for pointwise extensions now takes a binder as argument

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / computation / cpxs_lift.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs_lift.ma
index 0c9cfe1e7b3e864b04fc17aea7e659cd987af06b..501bf323e63708a4dce4d6191cc20d861c0ba5b2 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/cpxs_lift.ma
@@ -33,12 +33,12 @@ lapply (lsstas_da_conf … HT1 … Hl2) -HT1
 qed.
 
 lemma cpxs_delta: ∀h,g,I,G,L,K,V,V2,i.
-                  ⇩[0, i] L ≡ K.ⓑ{I}V → ⦃G, K⦄ ⊢ V ➡*[h, g] V2 →
-                  ∀W2. ⇧[0, i + 1] V2 ≡ W2 → ⦃G, L⦄ ⊢ #i ➡*[h, g] W2.
+                  ⇩[i] L ≡ K.ⓑ{I}V → ⦃G, K⦄ ⊢ V ➡*[h, g] V2 →
+                  ∀W2. ⇧[0, i+1] V2 ≡ W2 → ⦃G, L⦄ ⊢ #i ➡*[h, g] W2.
 #h #g #I #G #L #K #V #V2 #i #HLK #H elim H -V2
 [ /3 width=9 by cpx_cpxs, cpx_delta/
-| #V1 lapply (ldrop_fwd_ldrop2 … HLK) -HLK
-  elim (lift_total V1 0 (i+1)) /4 width=11 by cpx_lift, cpxs_strap1/
+| #V1 lapply (ldrop_fwd_drop2 … HLK) -HLK
+  elim (lift_total V1 0 (i+1)) /4 width=12 by cpx_lift, cpxs_strap1/
 ]
 qed.
 
@@ -46,15 +46,15 @@ qed.
 
 lemma cpxs_inv_lref1: ∀h,g,G,L,T2,i. ⦃G, L⦄ ⊢ #i ➡*[h, g] T2 →
                       T2 = #i ∨
-                      ∃∃I,K,V1,T1. ⇩[0, i] L ≡ K.ⓑ{I}V1 & ⦃G, K⦄ ⊢ V1 ➡*[h, g] T1 &
-                                   ⇧[0, i + 1] T1 ≡ T2.
+                      ∃∃I,K,V1,T1. ⇩[i] L ≡ K.ⓑ{I}V1 & ⦃G, K⦄ ⊢ V1 ➡*[h, g] T1 &
+                                   ⇧[0, i+1] T1 ≡ T2.
 #h #g #G #L #T2 #i #H @(cpxs_ind … H) -T2 /2 width=1 by or_introl/
 #T #T2 #_ #HT2 *
 [ #H destruct
   elim (cpx_inv_lref1 … HT2) -HT2 /2 width=1 by or_introl/
   * /4 width=7 by cpx_cpxs, ex3_4_intro, or_intror/
 | * #I #K #V1 #T1 #HLK #HVT1 #HT1
-  lapply (ldrop_fwd_ldrop2 … HLK) #H0LK
+  lapply (ldrop_fwd_drop2 … HLK) #H0LK
   elim (cpx_inv_lift1 … HT2 … H0LK … HT1) -H0LK -T
   /4 width=7 by cpxs_strap1, ex3_4_intro, or_intror/
 ]
@@ -63,56 +63,56 @@ qed-.
 (* Relocation properties ****************************************************)
 
 lemma cpxs_lift: ∀h,g,G. l_liftable (cpxs h g G).
-/3 width=9 by cpx_lift, cpxs_strap1, l_liftable_LTC/ qed.
+/3 width=10 by cpx_lift, cpxs_strap1, l_liftable_LTC/ qed.
 
 lemma cpxs_inv_lift1: ∀h,g,G. l_deliftable_sn (cpxs h g G).
-/3 width=5 by l_deliftable_sn_LTC, cpx_inv_lift1/
+/3 width=6 by l_deliftable_sn_LTC, cpx_inv_lift1/
 qed-.
 
 (* Properties on supclosure *************************************************)
 
 lemma fqu_cpxs_trans: ∀h,g,G1,G2,L1,L2,T2,U2. ⦃G2, L2⦄ ⊢ T2 ➡*[h, g] U2 →
-                      â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\83 ⦃G2, L2, T2⦄ →
-                      â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83 ⦃G2, L2, U2⦄.
+                      â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\90 ⦃G2, L2, T2⦄ →
+                      â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90 ⦃G2, L2, U2⦄.
 #h #g #G1 #G2 #L1 #L2 #T2 #U2 #H @(cpxs_ind_dx … H) -T2 /2 width=3 by ex2_intro/
 #T #T2 #HT2 #_ #IHTU2 #T1 #HT1 elim (fqu_cpx_trans … HT1 … HT2) -T
 #T #HT1 #HT2 elim (IHTU2 … HT2) -T2 /3 width=3 by cpxs_strap2, ex2_intro/
 qed-.
 
 lemma fquq_cpxs_trans: ∀h,g,G1,G2,L1,L2,T2,U2. ⦃G2, L2⦄ ⊢ T2 ➡*[h, g] U2 →
-                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\83⸮ ⦃G2, L2, T2⦄ →
-                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83⸮ ⦃G2, L2, U2⦄.
+                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\90⸮ ⦃G2, L2, T2⦄ →
+                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90⸮ ⦃G2, L2, U2⦄.
 #h #g #G1 #G2 #L1 #L2 #T2 #U2 #HTU2 #T1 #H elim (fquq_inv_gen … H) -H
 [ #HT12 elim (fqu_cpxs_trans … HTU2 … HT12) /3 width=3 by fqu_fquq, ex2_intro/
 | * #H1 #H2 #H3 destruct /2 width=3 by ex2_intro/
 ]
 qed-.
 
-lemma fquq_lsstas_trans: â\88\80h,g,G1,G2,L1,L2,T1,T2. â¦\83G1, L1, T1â¦\84 â\8a\83⸮ ⦃G2, L2, T2⦄ →
+lemma fquq_lsstas_trans: â\88\80h,g,G1,G2,L1,L2,T1,T2. â¦\83G1, L1, T1â¦\84 â\8a\90⸮ ⦃G2, L2, T2⦄ →
                          ∀U2,l1. ⦃G2, L2⦄ ⊢ T2 •*[h, g, l1] U2 →
                          ∀l2. ⦃G2, L2⦄ ⊢ T2 ▪ [h, g] l2 → l1 ≤ l2 →
-                         â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83⸮ ⦃G2, L2, U2⦄.
+                         â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90⸮ ⦃G2, L2, U2⦄.
 /3 width=5 by fquq_cpxs_trans, lsstas_cpxs/ qed-.
 
 lemma fqup_cpxs_trans: ∀h,g,G1,G2,L1,L2,T2,U2. ⦃G2, L2⦄ ⊢ T2 ➡*[h, g] U2 →
-                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\83+ ⦃G2, L2, T2⦄ →
-                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83+ ⦃G2, L2, U2⦄.
+                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\90+ ⦃G2, L2, T2⦄ →
+                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90+ ⦃G2, L2, U2⦄.
 #h #g #G1 #G2 #L1 #L2 #T2 #U2 #H @(cpxs_ind_dx … H) -T2 /2 width=3 by ex2_intro/
 #T #T2 #HT2 #_ #IHTU2 #T1 #HT1 elim (fqup_cpx_trans … HT1 … HT2) -T
 #U1 #HTU1 #H2 elim (IHTU2 … H2) -T2 /3 width=3 by cpxs_strap2, ex2_intro/
 qed-.
 
 lemma fqus_cpxs_trans: ∀h,g,G1,G2,L1,L2,T2,U2. ⦃G2, L2⦄ ⊢ T2 ➡*[h, g] U2 →
-                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\83* ⦃G2, L2, T2⦄ →
-                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83* ⦃G2, L2, U2⦄.
+                       â\88\80T1. â¦\83G1, L1, T1â¦\84 â\8a\90* ⦃G2, L2, T2⦄ →
+                       â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90* ⦃G2, L2, U2⦄.
 #h #g #G1 #G2 #L1 #L2 #T2 #U2 #HTU2 #T1 #H elim (fqus_inv_gen … H) -H
 [ #HT12 elim (fqup_cpxs_trans … HTU2 … HT12) /3 width=3 by fqup_fqus, ex2_intro/
 | * #H1 #H2 #H3 destruct /2 width=3 by ex2_intro/
 ]
 qed-.
 
-lemma fqus_lsstas_trans: â\88\80h,g,G1,G2,L1,L2,T1,T2. â¦\83G1, L1, T1â¦\84 â\8a\83* ⦃G2, L2, T2⦄ →
+lemma fqus_lsstas_trans: â\88\80h,g,G1,G2,L1,L2,T1,T2. â¦\83G1, L1, T1â¦\84 â\8a\90* ⦃G2, L2, T2⦄ →
                          ∀U2,l1. ⦃G2, L2⦄ ⊢ T2 •*[h, g, l1] U2 →
                          ∀l2. ⦃G2, L2⦄ ⊢ T2 ▪ [h, g] l2 → l1 ≤ l2 →
-                         â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\83* ⦃G2, L2, U2⦄.
+                         â\88\83â\88\83U1. â¦\83G1, L1â¦\84 â\8a¢ T1 â\9e¡*[h, g] U1 & â¦\83G1, L1, U1â¦\84 â\8a\90* ⦃G2, L2, U2⦄.
 /3 width=7 by fqus_cpxs_trans, lsstas_cpxs/ qed-.