TY  - JOUR
AU  - Łyczak, Marcin
AU  - Pietruszczak, Andrzej
TI  - On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories
JO  - Bulletin of the Section of Logic
PY  - 2018
VL  - 47
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/BSL_2018_47_4_a2/
LA  - en
ID  - BSL_2018_47_4_a2
ER  -