@conference {Cmorej:1988, title = {Esencializmus verzus antiesencializmus}, booktitle = {Philosophica XXVI}, year = {1988}, pages = {163-202}, publisher = {Univerzita Komensk{\'e}ho Bratislava}, organization = {Univerzita Komensk{\'e}ho Bratislava}, author = {Pavel Cmorej} }