Piekarski, Michał. “THE PROBLEM OF LOGICAL FORM: WITTGENSTEIN AND LEIBNIZ”. Studia Philosophiae Christianae 56, no. S1 (December 31, 2020): 65–86. Accessed April 1, 2025. https://czasopisma.uksw.edu.pl/index.php/spch/article/view/8391.