- commit of the "substitution" component

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

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/cprs_lift.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/cprs_lift.ma
index 7e5961604e9766dae0e68eb0b866804c1a98cc02..6298274bc74a5d7813dc0030af5f7df5dd236a70 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/cprs_lift.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/cprs_lift.ma
@@ -20,30 +20,29 @@ include "basic_2/computation/cprs.ma".
 (* Advanced properties ******************************************************)
 
 (* Note: apparently this was missing in basic_1 *)
-lemma cprs_delta: ∀L,K,V,V2,i.
-                  ⇩[0, i] L ≡ K. ⓓV → K ⊢ V ➡* V2 →
+lemma cprs_delta: ∀G,L,K,V,V2,i.
+                  ⇩[0, i] L ≡ K.ⓓV → ⦃G, K⦄ ⊢ V ➡* V2 →
                   ∀W2. ⇧[0, i + 1] V2 ≡ W2 → ⦃G, L⦄ ⊢ #i ➡* W2.
-#L #K #V #V2 #i #HLK #H elim H -V2 [ /3 width=6/ ]
+#G #L #K #V #V2 #i #HLK #H elim H -V2 [ /3 width=6/ ]
 #V1 #V2 #_ #HV12 #IHV1 #W2 #HVW2
-lapply (ldrop_fwd_ldrop2 … HLK) -HLK #HLK
+lapply (ldrop_fwd_drop2 … HLK) -HLK #HLK
 elim (lift_total V1 0 (i+1)) /4 width=11 by cpr_lift, cprs_strap1/
 qed.
 
 (* Advanced inversion lemmas ************************************************)
 
 (* Basic_1: was: pr3_gen_lref *)
-lemma cprs_inv_lref1: ∀L,T2,i. ⦃G, L⦄ ⊢ #i ➡* T2 →
+lemma cprs_inv_lref1: ∀G,L,T2,i. ⦃G, L⦄ ⊢ #i ➡* T2 →
                       T2 = #i ∨
-                      ∃∃K,V1,T1. ⇩[0, i] L ≡ K. ⓓV1 &
-                                 K ⊢ V1 ➡* T1 &
+                      ∃∃K,V1,T1. ⇩[0, i] L ≡ K. ⓓV1 & ⦃G, K⦄ ⊢ V1 ➡* T1 &
                                  ⇧[0, i + 1] T1 ≡ T2.
-#L #T2 #i #H @(cprs_ind … H) -T2 /2 width=1/
+#G #L #T2 #i #H @(cprs_ind … H) -T2 /2 width=1/
 #T #T2 #_ #HT2 *
 [ #H destruct
   elim (cpr_inv_lref1 … HT2) -HT2 /2 width=1/
   * /4 width=6/
 | * #K #V1 #T1 #HLK #HVT1 #HT1
-  lapply (ldrop_fwd_ldrop2 … HLK) #H0LK
+  lapply (ldrop_fwd_drop2 … HLK) #H0LK
   elim (cpr_inv_lift1 … HT2 … H0LK … HT1) -H0LK -T /4 width=6/
 ]
 qed-.
@@ -51,10 +50,10 @@ qed-.
 (* Relocation properties ****************************************************)
 
 (* Basic_1: was: pr3_lift *)
-lemma cprs_lift: l_liftable cprs.
+lemma cprs_lift: ∀G. l_liftable (cprs G).
 /3 width=9/ qed.
 
 (* Basic_1: was: pr3_gen_lift *)
-lemma cprs_inv_lift1: l_deliftable_sn cprs.
+lemma cprs_inv_lift1: ∀G. l_deliftable_sn (cprs G).
 /3 width=5 by l_deliftable_sn_LTC, cpr_inv_lift1/
 qed-.