X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fcomputation%2Facp.ma;h=5de1506977dab113b55a29dc980d4a5109cf5dc3;hb=62211b3b2d76ba387663c9e553fbe4d2dbd92c82;hp=aa62952b49a96241837c52affb728a1c7cd4e9f4;hpb=2ba2dc23443ad764adab652e06d6f5ed10bd912d;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/computation/acp.ma b/matita/matita/contribs/lambdadelta/basic_2/computation/acp.ma
index aa62952b4..5de150697 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/computation/acp.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/computation/acp.ma
@@ -21,11 +21,11 @@ definition CP1 ≝ λRR:relation4 genv lenv term term. λRS:relation term.
                  ∀G,L. ∃k. NF … (RR G L) RS (⋆k).
 
 definition CP2 ≝ λRR:relation4 genv lenv term term. λRS:relation term.
-                 ∀G,L0,L,T,T0,d,e. NF … (RR G L) RS T →
-                 ⇩[d, e] L0 ≡ L → ⇧[d, e] T ≡ T0 → NF … (RR G L0) RS T0.
+                 ∀G,L0,L,T,T0,s,d,e. NF … (RR G L) RS T →
+                 ⇩[s, d, e] L0 ≡ L → ⇧[d, e] T ≡ T0 → NF … (RR G L0) RS T0.
 
 definition CP2s ≝ λRR:relation4 genv lenv term term. λRS:relation term.
-                  ∀G,L0,L,des. ⇩*[des] L0 ≡ L →
+                  ∀G,L0,L,s,des. ⇩*[s, des] L0 ≡ L →
                   ∀T,T0. ⇧*[des] T ≡ T0 →
                   NF … (RR G L) RS T → NF … (RR G L0) RS T0.
 
@@ -47,10 +47,10 @@ record acp (RR:relation4 genv lenv term term) (RS:relation term) (RP:relation3 g
 
 (* Basic_1: was: nf2_lift1 *)
 lemma acp_lifts: ∀RR,RS. CP2 RR RS → CP2s RR RS.
-#RR #RS #HRR #G #L1 #L2 #des #H elim H -L1 -L2 -des
+#RR #RS #HRR #G #L1 #L2 #s #des #H elim H -L1 -L2 -des
 [ #L #T1 #T2 #H #HT1
   <(lifts_inv_nil … H) -H //
 | #L1 #L #L2 #des #d #e #_ #HL2 #IHL #T2 #T1 #H #HLT2
-  elim (lifts_inv_cons … H) -H /3 width=9/
+  elim (lifts_inv_cons … H) -H /3 width=10 by/
 ]
 qed.