X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fdelayed_updating%2Fsubstitution%2Flift_prototerm.ma;h=b8127eaaeac92c2cf5599756db47a4b439ec4335;hp=094cf676f32399a935d4d6e15cdd9d31f0aa4e1e;hb=7008128d354c6e998a87bc2febe9f86ea714869c;hpb=d06053844638d88936d711b66fddbcca2a9add1c

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_prototerm.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_prototerm.ma
index 094cf676f..b8127eaae 100644
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_prototerm.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_prototerm.ma
@@ -20,11 +20,11 @@ include "ground/lib/subset_ext.ma".
 
 interpretation
   "lift (prototerm)"
-  'UpArrow f t = (subset_ext_f1 ? ? (lift_path f) t).
+  'UpTriangleArrow f t = (subset_ext_f1 ? ? (lift_path f) t).
 
 (* Basic constructions ******************************************************)
 
 lemma in_comp_lift_path_term (f) (t) (p):
-      p ϵ t → ↑[f]p ϵ ↑[f]t.
+      p ϵ t → 🠡[f]p ϵ 🠡[f]t.
 /2 width=1 by subset_in_ext_f1_dx/
 qed.