@conference {gaher_f2004:884, title = {Modality a hranice abstrakcie vo filozofii}, booktitle = {Pou{\v z}{\'\i}vanie, interpret{\'a}cia a v{\'y}znam jazykov{\'y}ch v{\'y}razov}, number = {1}, year = {2004}, note = {org-01-2004}, pages = {67-83}, publisher = {Veda}, organization = {Veda}, address = {Bratislava}, isbn = {ISBN 80-967225-1-4}, author = {Gah{\'e}r, Franti{\v s}ek}, editor = {Zouhar, Mari{\'a}n} }