refactoring

[helm.git] / helm / software / matita / contribs / RELATIONAL / NPlus / props.ma

diff --git a/helm/software/matita/contribs/RELATIONAL/NPlus/props.ma b/helm/software/matita/contribs/RELATIONAL/NPlus/props.ma
index 2c908d1d029420db4b0ef6b86271a8d6c4138b25..d566e8a325f3018b060bdb2d7b7d389cab701877 100644 (file)
--- a/helm/software/matita/contribs/RELATIONAL/NPlus/props.ma
+++ b/helm/software/matita/contribs/RELATIONAL/NPlus/props.ma
@@ -14,7 +14,7 @@
 
 set "baseuri" "cic:/matita/RELATIONAL/NPlus/props".
 
-include "NPlus/fwd.ma".
+include "NPlus/inv.ma".
 
 theorem nplus_zero_1: \forall q. zero + q == q.
  intros. elim q; clear q; auto new timeout=100.