partial commit in delayed_updating

[helm.git] / matita / matita / contribs / lambdadelta / delayed_updating / syntax / prototerm_constructors_eq.ma

diff --git a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
index 46e945ede9ed9b0e022b9573cbc96c3d677a7162..4a83b790efe57b98d423129c50c1aab43d28e71e 100644 (file)
--- a/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
+++ b/matita/matita/contribs/lambdadelta/delayed_updating/syntax/prototerm_constructors_eq.ma
@@ -19,7 +19,7 @@ include "ground/lib/subset_ext_equivalence.ma".
 
 (* Constructions with equivalence for prototerm *****************************)
 
-lemma iref_eq_repl (t1) (t2) (n):
-      t1 ⇔ t2 → 𝛕n.t1 ⇔ 𝛕n.t2.
+lemma iref_eq_repl (t1) (t2) (k):
+      t1 ⇔ t2 → 𝛕k.t1 ⇔ 𝛕k.t2.
 /2 width=1 by subset_equivalence_ext_f1_bi/
 qed.