update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / basic_1 / nf2 / dec.ma

diff --git a/matita/matita/contribs/lambdadelta/basic_1/nf2/dec.ma b/matita/matita/contribs/lambdadelta/basic_1/nf2/dec.ma
index e42bf9e0072d09a9b1dc273ac5be44e615417781..d7211841f02e9ead56cdd76d9649e3a484764165 100644 (file)
--- a/matita/matita/contribs/lambdadelta/basic_1/nf2/dec.ma
+++ b/matita/matita/contribs/lambdadelta/basic_1/nf2/dec.ma
@@ -22,7 +22,7 @@ include "basic_1/pr0/dec.ma".
 
 include "basic_1/C/props.ma".
 
-theorem nf2_dec:
+lemma nf2_dec:
  \forall (c: C).(\forall (t1: T).(or (nf2 c t1) (ex2 T (\lambda (t2: T).((eq 
 T t1 t2) \to (\forall (P: Prop).P))) (\lambda (t2: T).(pr2 c t1 t2)))))
 \def