X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Fnf2%2Flift1.ma;h=9e680d7e8150b12c09c12e3894c2f2d7e626eba3;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hp=f2b078af0987b80fc53785cb783c8f7ebf87534b;hpb=639e798161afea770f41d78673c0fe3be4125beb;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_1/nf2/lift1.ma b/matita/matita/contribs/lambdadelta/basic_1/nf2/lift1.ma
index f2b078af0..9e680d7e8 100644
--- a/matita/matita/contribs/lambdadelta/basic_1/nf2/lift1.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/nf2/lift1.ma
@@ -18,7 +18,7 @@ include "basic_1/nf2/props.ma".
 
 include "basic_1/drop1/fwd.ma".
 
-theorem nf2_lift1:
+lemma nf2_lift1:
  \forall (e: C).(\forall (hds: PList).(\forall (c: C).(\forall (t: T).((drop1 
 hds c e) \to ((nf2 e t) \to (nf2 c (lift1 hds t)))))))
 \def