additions to basic_2

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / reducibility / cpr_ltpss.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/reducibility/cpr_ltpss.ma b/matita/matita/contribs/lambda_delta/basic_2/reducibility/cpr_ltpss.ma
index a3b31f2259ec2bed0c7042134b02cf70ce216030..08da2e373a77b937c904cb8a831480b40c8ed7cc 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/reducibility/cpr_ltpss.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/reducibility/cpr_ltpss.ma
@@ -19,7 +19,7 @@ include "basic_2/reducibility/cpr.ma".
 
 (* Properties concerning partial unfold on local environments ***************)
 
-lemma ltpss_cpr_trans: ∀L1,L2,d,e. L1 [d, e] ▶* L2 →
+lemma ltpss_cpr_trans: ∀L1,L2,d,e. L1 ▶* [d, e] L2 →
                        ∀T1,T2. L2 ⊢ T1 ➡ T2 → L1 ⊢ T1 ➡ T2.
 #L1 #L2 #d #e #HL12 #T1 #T2 *
 lapply (ltpss_weak_all … HL12)