X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;ds=sidebyside;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Fiso%2Fprops.ma;h=baef0f83321523681438f4b088596fbead267dfe;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hp=f18572e1e1e8204a54ec7ee8a8eb38ab2c3618cc;hpb=639e798161afea770f41d78673c0fe3be4125beb;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_1/iso/props.ma b/matita/matita/contribs/lambdadelta/basic_1/iso/props.ma
index f18572e1e..baef0f833 100644
--- a/matita/matita/contribs/lambdadelta/basic_1/iso/props.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/iso/props.ma
@@ -18,7 +18,7 @@ include "basic_1/T/fwd.ma".
 
 include "basic_1/iso/fwd.ma".
 
-theorem iso_refl:
+lemma iso_refl:
  \forall (t: T).(iso t t)
 \def
  \lambda (t: T).(T_ind (\lambda (t0: T).(iso t0 t0)) (\lambda (n: