X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_2%2Fstatic%2Fsd.ma;h=2bf43b5ee9dc62b368699f3921e19a011884da5b;hb=5832735b721c0bd8567c8f0be761a9136363a2a6;hp=a16d19042f255cb88a34ec19517afbe257bc0ade;hpb=064980eacc2efe70ffee96134d75dfa37506fc36;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_2/static/sd.ma b/matita/matita/contribs/lambdadelta/basic_2/static/sd.ma
index a16d19042..2bf43b5ee 100644
--- a/matita/matita/contribs/lambdadelta/basic_2/static/sd.ma
+++ b/matita/matita/contribs/lambdadelta/basic_2/static/sd.ma
@@ -84,7 +84,7 @@ definition sd_SO: ∀h. nat → sd h ≝ λh,k. mk_sd h (deg_SO h k) ….
 ]
 defined.
 
-let rec sd_d (h:sh) (k:nat) (d:nat) on d : sd h ≝
+rec definition sd_d (h:sh) (k:nat) (d:nat) on d : sd h ≝
    match d with
    [ O   ⇒ sd_O h
    | S d ⇒ match d with