the defining properety for a Sperner family, a family of sets in which no set is a subset of another
family | family (biology) | Family Guy | Rothschild family | British Royal Family | All in the Family | The Partridge Family | Family Feud | Family | ABC Family | Family Ties | The Addams Family | Family Affairs | Focus on the Family | Family (biology) | Vanderbilt family | royal family | Gambino crime family | Family Matters | Family Law | Astor family | Royal Family | Genovese crime family | Colonna family | Atari 8-bit family | The New Addams Family | The Crabb Family | The Addams Family (TV series) | Royal family | Family Affair |