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Jerzy Łoś 1920–1998;
The Incompleteness of RGL
On Modal Logics Characterized by Models with Relative Accessibility Relations
A Common Abstraction of MV-Algebras and Abelian l-groups
A Complete and Consistent Formal System for Sortals
On an Intuitionistic Modal Logic
On Self-Admissible Quasi-Characterizing Inference Rules
The Logic of Intentional Objects. A Meinongian Version of Classical Logic
The Is-Ought Problem
Definite Descriptions
Advances in Modal Logic
La logique formelle en Afrique noire. Problématique, enseignement et essais
Eléments de logique trivalente. Du calcul trivalent à sa modalité ontique
The Higher Infinite