update in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / substitution / lift_path_uni.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_uni.ma b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_uni.ma
index 0943306582c4203738402c9e571cd6215620026a..841e706d63c0cad6570cb89f0a96abd69c1f69e5 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_uni.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/substitution/lift_path_uni.ma
@@ -22,7 +22,7 @@ include "ground/arith/nat_pred_succ.ma".
 (* Constructions with tr_uni ************************************************)
 
 lemma lift_path_d_sn_uni (p) (n) (k):
-      (𝗱(k+n)◗p) = ↑[𝐮❨n❩](𝗱k◗p).
+      (𝗱(k+n)◗p) = 🠡[𝐮❨n❩](𝗱k◗p).
 #p #n #k
 <lift_path_d_sn <tr_uni_pap >nsucc_pnpred
 <tr_tls_succ_uni //