X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=helm%2Fsoftware%2Fhelena%2Fsrc%2Fbasic_rg%2FbrgSubstitution.ml;h=727524ca70a2088231d7101e6e46e7300a24cecd;hp=5441f0145d2a88f131eedafdd86b4b389b0dca24;hb=88977b2d546e547e23b046792fe2ad8f6ff192a4;hpb=fdb80b08af83b86759833142456ce3c4f84cd80e

diff --git a/helm/software/helena/src/basic_rg/brgSubstitution.ml b/helm/software/helena/src/basic_rg/brgSubstitution.ml
index 5441f0145..727524ca7 100644
--- a/helm/software/helena/src/basic_rg/brgSubstitution.ml
+++ b/helm/software/helena/src/basic_rg/brgSubstitution.ml
@@ -34,7 +34,7 @@ let iter map d =
       | B.GRef _ as t      -> t
       | B.LRef (a, i) as t -> if i < d then t else map d a i
       | B.Cast (w, v)      -> B.Cast (iter_term d w, iter_term d v)
-      | B.Appl (x, w, u)   -> B.Appl (x, iter_term d w, iter_term d u)
+      | B.Appl (a, w, u)   -> B.Appl (a, iter_term d w, iter_term d u)
       | B.Bind (y, b, u)   -> B.Bind (y, iter_bind d b, iter_term (succ d) u)
    in
    iter_term d