Tomza A. Different meanings of logical definition. About Ajdukiewicz criticism against classifi-cation of Łukasiewicz considerations, some comments. SPE [Internet]. 2020 Sep. 29 [cited 2024 May 8];115:133-48. Available from: https://journals.ltn.lodz.pl/Studia-Prawno-Ekonomiczne/article/view/982