milestone in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_2 / substitution / cpss.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_2/substitution/cpss.ma b/matita/matita/contribs/lambdadelta/basic_2/substitution/cpss.ma
index f6bae4fa2e452eb5a0048f24cc1da322a563bf48..9789ea7bad615f0d1a49e8c51eb43e8ef7567a2f 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_2/substitution/cpss.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/substitution/cpss.ma
@@ -12,6 +12,7 @@
 (*                                                                        *)
 (**************************************************************************)
 
+include "basic_2/grammar/cl_shift.ma".
 include "basic_2/relocation/ldrop_append.ma".
 include "basic_2/substitution/lsubr.ma".
 
@@ -35,7 +36,7 @@ interpretation "context-sensitive parallel substitution (term)"
 
 (* Basic properties *********************************************************)
 
-lemma cpss_lsubr_trans: lsubr_trans … cpss.
+lemma cpss_lsubr_trans: lsub_trans … cpss lsubr.
 #L1 #T1 #T2 #H elim H -L1 -T1 -T2
 [ //
 | #L1 #K1 #V1 #V2 #W2 #i #HLK1 #_ #HVW2 #IHV12 #L2 #HL12
@@ -71,7 +72,7 @@ qed-.
 lemma cpss_append: l_appendable_sn … cpss.
 #K #T1 #T2 #H elim H -K -T1 -T2 // /2 width=1/
 #K #K0 #V1 #V2 #W2 #i #HK0 #_ #HVW2 #IHV12 #L
-lapply (ldrop_fwd_ldrop2_length … HK0) #H
+lapply (ldrop_fwd_length_lt2 … HK0) #H
 @(cpss_delta … (L@@K0) V1 … HVW2) //
 @(ldrop_O1_append_sn_le … HK0) /2 width=2/ (**) (* /3/ does not work *)
 qed.