- ldrop is now drop as in basic_1

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / reduction / cpr.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr.ma b/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr.ma
index ba37c86ba6a09d14fa58324b264b29a8efb60afe..ad4fcb3135663f1c02fd4ed5f5d0a825be5ab376 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/reduction/cpr.ma
@@ -14,7 +14,7 @@
 
 include "basic_2/notation/relations/pred_4.ma".
 include "basic_2/grammar/genv.ma".
-include "basic_2/relocation/lsubr.ma".
+include "basic_2/static/lsubr.ma".
 
 (* CONTEXT-SENSITIVE PARALLEL REDUCTION FOR TERMS ***************************)
 
@@ -34,7 +34,7 @@ inductive cpr: relation4 genv lenv term term ≝
              cpr G L (ⓕ{I}V1.T1) (ⓕ{I}V2.T2)
 | cpr_zeta : ∀G,L,V,T1,T,T2. cpr G (L.ⓓV) T1 T →
              ⇧[0, 1] T2 ≡ T → cpr G L (+ⓓV.T1) T2
-| cpr_tau  : ∀G,L,V,T1,T2. cpr G L T1 T2 → cpr G L (ⓝV.T1) T2
+| cpr_eps  : ∀G,L,V,T1,T2. cpr G L T1 T2 → cpr G L (ⓝV.T1) T2
 | cpr_beta : ∀a,G,L,V1,V2,W1,W2,T1,T2.
              cpr G L V1 V2 → cpr G L W1 W2 → cpr G (L.ⓛW1) T1 T2 →
              cpr G L (ⓐV1.ⓛ{a}W1.T1) (ⓓ{a}ⓝW2.V2.T2)
@@ -52,10 +52,10 @@ lemma lsubr_cpr_trans: ∀G. lsub_trans … (cpr G) lsubr.
 #G #L1 #T1 #T2 #H elim H -G -L1 -T1 -T2
 [ //
 | #G #L1 #K1 #V1 #V2 #W2 #i #HLK1 #_ #HVW2 #IHV12 #L2 #HL12
-  elim (lsubr_fwd_ldrop2_abbr … HL12 … HLK1) -L1 *
+  elim (lsubr_fwd_drop2_abbr … HL12 … HLK1) -L1 *
   /3 width=6 by cpr_delta/
 |3,7: /4 width=1 by lsubr_bind, cpr_bind, cpr_beta/
-|4,6: /3 width=1 by cpr_flat, cpr_tau/
+|4,6: /3 width=1 by cpr_flat, cpr_eps/
 |5,8: /4 width=3 by lsubr_bind, cpr_zeta, cpr_theta/
 ]
 qed-.
@@ -87,7 +87,7 @@ lemma cpr_delift: ∀G,K,V,T1,L,d. ⇩[d] L ≡ (K.ⓓV) →
   elim (lift_split … HVW i i) /3 width=6 by cpr_delta, ex2_2_intro/
 | * [ #a ] #I #W1 #U1 #IHW1 #IHU1 #L #d #HLK
   elim (IHW1 … HLK) -IHW1 #W2 #W #HW12 #HW2
-  [ elim (IHU1 (L. ⓑ{I}W1) (d+1)) -IHU1 /3 width=9 by ldrop_drop, cpr_bind, lift_bind, ex2_2_intro/
+  [ elim (IHU1 (L. ⓑ{I}W1) (d+1)) -IHU1 /3 width=9 by drop_drop, cpr_bind, lift_bind, ex2_2_intro/
   | elim (IHU1 … HLK) -IHU1 -HLK /3 width=8 by cpr_flat, lift_flat, ex2_2_intro/
   ]
 ]
@@ -290,6 +290,6 @@ qed-.
             pr2_gen_ctail pr2_ctail
 *)
 (* Basic_1: removed local theorems 4:
-            pr0_delta_tau pr0_cong_delta
+            pr0_delta_eps pr0_cong_delta
             pr2_free_free pr2_free_delta
 *)