%0 Journal Article
%A Łyczak, Marcin
%A Pietruszczak, Andrzej
%T On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories
%J Bulletin of the Section of Logic
%D 2018
%V 47
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/BSL_2018_47_4_a2/
%G en
%F BSL_2018_47_4_a2