X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2Fbasic_2%2Funfold%2Fdelift_ltpss.ma;h=ee3aec8be24c9d290e6b6d08285b8ecf50f8f98c;hb=cb38da6095e3af84131a3ebf47a9f252f34a804c;hp=02efff1fab813c8379922ee105df2389270bfedf;hpb=db7ecce6c398a42f14557067bf18b61cf75da80e;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_ltpss.ma b/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_ltpss.ma
index 02efff1fa..ee3aec8be 100644
--- a/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_ltpss.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/unfold/delift_ltpss.ma
@@ -19,15 +19,15 @@ include "basic_2/unfold/delift.ma".
 
 (* Properties on partial unfold on local environments ***********************)
 
-lemma delift_ltpss_conf_eq: ∀L,T1,T2,d,e. L ⊢ T1 [d, e] ≡ T2 →
-                            ∀K. L ▶* [d, e] K → K ⊢ T1 [d, e] ≡ T2.
+lemma delift_ltpss_conf_eq: ∀L,T1,T2,d,e. L ⊢ T1 ▼*[d, e] ≡ T2 →
+                            ∀K. L ▶* [d, e] K → K ⊢ T1 ▼*[d, e] ≡ T2.
 #L #T1 #T2 #d #e * #T #HT1 #HT2 #K #HLK
 elim (ltpss_tpss_conf … HT1 … HLK) -L #T0 #HT10 #HT0
 lapply (tpss_inv_lift1_eq … HT0 … HT2) -HT0 #H destruct /2 width=3/
 qed.
 
 lemma ltpss_delift_trans_eq: ∀L,K,d,e. L ▶* [d, e] K →
-                             ∀T1,T2. K ⊢ T1 [d, e] ≡ T2 → L ⊢ T1 [d, e] ≡ T2.
+                             ∀T1,T2. K ⊢ T1 ▼*[d, e] ≡ T2 → L ⊢ T1 ▼*[d, e] ≡ T2.
 #L #K #d #e #HLK #T1 #T2 * #T #HT1 #HT2 
 lapply (ltpss_tpss_trans_eq … HT1 … HLK) -K /2 width=3/
 qed.