/// <summary> /// Returns the set of all Things in the session, except two specific Things. /// </summary> public static Tset peopleBut(Thing p1, Thing p2) { return(Facts.AllKnownPeople() - p1 - p2); }
/// <summary> /// Returns the set of all Things in the session. /// </summary> public static Tset people() { return(Facts.AllKnownPeople()); }