public void Compiled2g()
        {
            Facts.Clear();
            Thing p  = new Thing("p");
            Thing c  = new Thing("c");
            Thing c2 = new Thing("c2");

            Facts.Assert(p, "Econ.EmploymentRelationship", c2, "Employee");
            Tbool result = Econ.IsEmployedBy(p, c2);

            Assert.AreEqual(true, result.Out);
        }
 private static Tbool SomeoneWorksAt(Thing c, Tset theSet)
 {
     return(theSet.Exists(_ => Econ.IsEmployedBy(_, c)));
 }