X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fcontribs%2FRELATIONAL%2Fpreamble.ma;h=d52da97017d54775de591a7d91acb3ecebac11c4;hb=ae5ab4187e4dcc57a16d2375445f8353fbad7d92;hp=050d9deced0d08130996f06eb30c2ef133b0e56a;hpb=092d5c718ea90255ce1009acd5aa0942e4449898;p=helm.git

diff --git a/helm/software/matita/contribs/RELATIONAL/preamble.ma b/helm/software/matita/contribs/RELATIONAL/preamble.ma
index 050d9dece..d52da9701 100644
--- a/helm/software/matita/contribs/RELATIONAL/preamble.ma
+++ b/helm/software/matita/contribs/RELATIONAL/preamble.ma
@@ -16,3 +16,4 @@ set "baseuri" "cic:/matita/RELATIONAL/preamble".
 
 include "logic/equality.ma".
 include "logic/connectives.ma".
+include "datatypes/constructors.ma".