Sydney | University of Sydney | Sydney Opera House | Sydney Swans | Sydney Roosters | Sydney Cricket Ground | Sydney Conservatorium of Music | Sydney Harbour Bridge | Sydney Airport | University of Western Sydney | Sydney Symphony Orchestra | North Sydney | Central railway station, Sydney | Sydney to Hobart Yacht Race | Sydney Grammar School | Sydney Entertainment Centre | Sydney Pollack | Sydney Theatre Company | South Sydney Rabbitohs | The Sydney Morning Herald | Greater Western Sydney | City of Sydney | Sydney Smith | Sydney, Nova Scotia | Roman Catholic Archdiocese of Sydney | University of Technology, Sydney | Sydney Town Hall | Western Sydney | Sydney Football Stadium | North Sydney, New South Wales |
Philosophers who subscribe to this theory include Sydney Shoemaker, Stephen Mumford, Alexander Bird, George Molnar, Brian Ellis, C.B. Martin and John Heil.