update in basic_2

[helm.git] / matita / matita / contribs / lambdadelta / ground_1 / plist / props.ma

diff --git a/matita/matita/contribs/lambdadelta/ground_1/plist/props.ma b/matita/matita/contribs/lambdadelta/ground_1/plist/props.ma
index ce17a3c12f47c52679db85e9ac0182490df65953..f80d0b0e9de06fbbd5fb2ddb2c45eea45dad9511 100644 (file)
--- a/matita/matita/contribs/lambdadelta/ground_1/plist/props.ma
+++ b/matita/matita/contribs/lambdadelta/ground_1/plist/props.ma
@@ -16,7 +16,7 @@
 
 include "ground_1/plist/defs.ma".
 
-theorem papp_ss:
+lemma papp_ss:
  \forall (is1: PList).(\forall (is2: PList).(eq PList (papp (Ss is1) (Ss 
 is2)) (Ss (papp is1 is2))))
 \def