14/09/03 22:41:12.98 CiQchhEd
Does the set of all those sets that do not contain themselves contain itself?
よろしくお願いします。
14/09/03 22:41:12.98 CiQchhEd
Does the set of all those sets that do not contain themselves contain itself?
よろしくお願いします。
14/09/03 22:41:12.98 CiQchhEd
Does the set of all those sets that do not contain themselves contain itself?
よろしくお願いします。