TY - Generic T1 - Reducing sets to modalities Y1 - 2008 A1 - Urbaniak, Rafal ED - Hieke, Alexander ED - Hannes, Leitgeb JA - Proceedings of the 31st International Wittgenstein Symposium of the Austrian Ludwig Wittgenstein Society PB - Department for Culture and Science of the Province of Lower Austria CY - Kirchberg am wechsel VL - XVI SP - 359-361 ER -