contribs: some improvements

[helm.git] / helm / software / matita / contribs / LAMBDA-TYPES / Unified-Sub / preamble.ma

diff --git a/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma b/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
index 3b532dd55e49d495f953b6d06aab7b999b705b97..d889c399573b79a13cac67e4b1041e0058478bde 100644 (file)
--- a/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
+++ b/helm/software/matita/contribs/LAMBDA-TYPES/Unified-Sub/preamble.ma
@@ -21,7 +21,7 @@ set "baseuri" "cic:/matita/LAMBDA-TYPES/Unified-Sub/preamble".
 
 include "logic/equality.ma".
 include "../../RELATIONAL/datatypes/Bool.ma".
-include "../../RELATIONAL/NPlus/props.ma".
+include "../../RELATIONAL/NPlus/monoid.ma".
 include "../../RELATIONAL/NLE/props.ma".
 include "../../RELATIONAL/NLE/nplus.ma".