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The article in the issue 7:4:

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Jan Woleński, Andrzej Waleszczyński, Michał Obidziński, Julia Rejewska, Adrian Mróz, Elena Lisanyuk, Evelina Barbashina, Andrew Schumann,

Dr. Hab., Professor, St Petersburg State University (SpSU) Russia, Department of Logic, and a professor of National Research University Higher School of Economics  in Moscow, Russia. Elena Lisanyuk was born in Vilnius (Lithuania), obtained her PhD in St Petersburg in 1997 with a dissertation on medieval logic and her Doctorate in 2016 in Moscow with a dissertation on logic of argumentation. Key research areas are logic of argumentation and logic of norms; areas of expertise include also history of logic, logical pragmatic and legal philosophy.



Dr. Hab., Professor, Novosibirsk State Medical University and Novosibirsk State University, Novosibirsk, Russia.

Evelina Barbashina was born in Novosibirsk (Russia), obtained  her doctorates, PhD and Dr. Hab. in St Petersburg. Research areas – philosophy of Immanuel Kant and XIX c. philosophy, neoKantian philosophy; areas of expertise – history of philosophy, German philosophy, philosophy of education.




Leon Petrażycki on Norms and Their Logical Study

In this paper we discuss L. Petrażycki’s idea of norm as a normative relation
and show its repercussions in two perspectives connected to each other, in the
legal theory in the framework of which it was originally introduced and where
its role was straightforward, and in logic where it played a shadowy role of a
fresh idea which in his expectation would have been the core of the novel
logical theories capable of modelling reasoning in law and morals. We pay
attention to the scholarly environment in which Petrażycki has proposed those
ideas and to the


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