X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fapps_2%2Ffunctional%2Frtm_step.ma;h=1b456b5219e95417e30c729a552a243f9823a1e9;hb=3c8da07d7a5d7cf0432a83732a6d103f527afaef;hp=8f5a61ee83b19ae53d2dc70d905652c510032067;hpb=d6909ee6f43e0f29efbaf28b75b69723634c3af2;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/apps_2/functional/rtm_step.ma b/matita/matita/contribs/lambdadelta/apps_2/functional/rtm_step.ma
index 8f5a61ee8..1b456b521 100644
--- a/matita/matita/contribs/lambdadelta/apps_2/functional/rtm_step.ma
+++ b/matita/matita/contribs/lambdadelta/apps_2/functional/rtm_step.ma
@@ -46,8 +46,8 @@ inductive rtm_step: relation rtm ≝
               rtm_step (mk_rtm G u E ({D, V} @ S) (+ⓛW. T))
                        (mk_rtm G u (E. ④{Abbr} {u, D, V}) S T)
 | rtm_push  : ∀G,u,E,W,T.
-              rtm_step (mk_rtm G u E (◊) (+ⓛW. T))
-                       (mk_rtm G (u + 1) (E. ④{Abst} {u, E, W}) (◊) T)
+              rtm_step (mk_rtm G u E (Ⓔ) (+ⓛW. T))
+                       (mk_rtm G (u + 1) (E. ④{Abst} {u, E, W}) (Ⓔ) T)
 | rtm_theta : ∀G,u,E,S,V,T.
               rtm_step (mk_rtm G u E S (+ⓓV. T))
                        (mk_rtm G u (E. ④{Abbr} {u, E, V}) S T)