- context free computation for terms and local environments

[helm.git] / matita / matita / contribs / lambda_delta / basic_2 / computation / csn_aaa.ma

diff --git a/matita/matita/contribs/lambda_delta/basic_2/computation/csn_aaa.ma b/matita/matita/contribs/lambda_delta/basic_2/computation/csn_aaa.ma
index 67312a9acfe1db41b6ee89776ad9517ef6fb1880..67744a098a152cd8101ea18dfe6e37f566856b47 100644 (file)
--- a/matita/matita/contribs/lambda_delta/basic_2/computation/csn_aaa.ma
+++ b/matita/matita/contribs/lambda_delta/basic_2/computation/csn_aaa.ma
@@ -19,7 +19,7 @@ include "basic_2/computation/csn_tstc_vector.ma".
 
 (* Properties concerning atomic arity assignment ****************************)
 
-lemma csn_aaa: ∀L,T,A. L ⊢ T ÷ A → L ⊢ ⬇* T.
+lemma csn_aaa: ∀L,T,A. L ⊢ T ⁝ A → L ⊢ ⬊* T.
 #L #T #A #H
 @(acp_aaa … csn_acp csn_acr … H)
 qed.