X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Fmodels%2Ftm.ma;h=96a98fc75cd7c905ae3730ff34d5b591f86991c9;hb=2e4a7c54ef77c10cb1cef4b59518c473245ea935;hp=613d67a7e4580f02b2669952bceb42a3edf5ea43;hpb=bd53c4e895203eb049e75434f638f26b5a161a2b;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/apps_2/models/tm.ma b/matita/matita/contribs/lambdadelta/apps_2/models/tm.ma
index 613d67a7e..96a98fc75 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/models/tm.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/models/tm.ma
@@ -20,7 +20,7 @@ include "apps_2/models/model.ma".
 
 definition tm_dd ≝ term.
 
-definition tm_sq (h) (T1) (T2) ≝  ❪⋆,⋆❫ ⊢ T1 ⬌*[h] T2.
+definition tm_sq (h) (T1) (T2) ≝  ❨⋆,⋆❩ ⊢ T1 ⬌*[h] T2.
 
 definition tm_sv (s) ≝ ⋆s.