[1]
Łyczak, M. and Pietruszczak, A. 2018. On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories. Bulletin of the Section of Logic. 47, 4 (Dec. 2018), 233–263. DOI:https://doi.org/10.18778/0138-0680.47.4.02.