X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Fpr1%2Fpr1.ma;h=60dbdbfaad161ffb3a74fc68a1f912d2bc678555;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hp=0b088cc7ba623196dab85b1661760a0cc8c2a698;hpb=639e798161afea770f41d78673c0fe3be4125beb;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_1/pr1/pr1.ma b/matita/matita/contribs/lambdadelta/basic_1/pr1/pr1.ma
index 0b088cc7b..60dbdbfaa 100644
--- a/matita/matita/contribs/lambdadelta/basic_1/pr1/pr1.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/pr1/pr1.ma
@@ -18,7 +18,7 @@ include "basic_1/pr1/props.ma".
 
 include "basic_1/pr0/pr0.ma".
 
-theorem pr1_strip:
+lemma pr1_strip:
  \forall (t0: T).(\forall (t1: T).((pr1 t0 t1) \to (\forall (t2: T).((pr0 t0 
 t2) \to (ex2 T (\lambda (t: T).(pr1 t1 t)) (\lambda (t: T).(pr1 t2 t)))))))
 \def