exception BadDependency of string Lazy.t;;
exception BadConstraint of string Lazy.t;;
-let type0 = [false, NUri.uri_of_string ("cic:/matita/pts/Type.univ")]
+let type0 = []
+let cprop = [false, NUri.uri_of_string ("cic:/matita/pts/CProp.univ")]
let le_constraints = ref [] (* strict,a,b *)