X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Fpr3%2Fpr3.ma;h=d973e0eb29ceea39a2c37335677ee9704230f010;hb=cc6fcb70ca4f3cf01205ed722d75a2fdb2aaf779;hp=a8ad07418b167c895401fa916f3153164d522c0c;hpb=639e798161afea770f41d78673c0fe3be4125beb;p=helm.git

diff --git a/matita/matita/contribs/lambdadelta/basic_1/pr3/pr3.ma b/matita/matita/contribs/lambdadelta/basic_1/pr3/pr3.ma
index a8ad07418..d973e0eb2 100644
--- a/matita/matita/contribs/lambdadelta/basic_1/pr3/pr3.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/pr3/pr3.ma
@@ -18,7 +18,7 @@ include "basic_1/pr3/props.ma".
 
 include "basic_1/pr2/pr2.ma".
 
-theorem pr3_strip:
+lemma pr3_strip:
  \forall (c: C).(\forall (t0: T).(\forall (t1: T).((pr3 c t0 t1) \to (\forall 
 (t2: T).((pr2 c t0 t2) \to (ex2 T (\lambda (t: T).(pr3 c t1 t)) (\lambda (t: 
 T).(pr3 c t2 t))))))))