RSS 1.0Bulletin of the Section of Logic 47/4 (2018)
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TABLE OF CONTENTS
1. Labeled Sequent Calculus for OrthologicTomoaki KAWANO
2. On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories
Marcin LYCZAK and Andrzej PIETRUSZCZAK
3. Rule-Generation Theorem and its Applications
Andrzej INDRZEJCZAK
4. On Injective MV-Modules
S. Saidi GORAGHANI and R. A. BORZOOEI
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On Injective MV-Modules
(Wydawnictwo Uniwersytetu Łódzkiego, 2018)In this paper, by considering the notion of MV-module, which is the structure that naturally correspond to lu-modules over lu-rings, we study injective MV-modules and we investigate some conditions for constructing injective ... -
Rule-Generation Theorem and its Applications
(Wydawnictwo Uniwersytetu Łódzkiego, 2018)In several applications of sequent calculi going beyond pure logic, an introduction of suitably defined rules seems to be more profitable than addition of extra axiomatic sequents. A program of formalization of mathematical ... -
On the Definability of Leśniewski’s Copula ‘is’ in Some Ontology-Like Theories
(Wydawnictwo Uniwersytetu Łódzkiego, 2018)We formulate a certain subtheory of Ishimoto’s [1] quantifier-free fragment of Leśniewski’s ontology, and show that Ishimoto’s theory can be reconstructed in it. Using an epimorphism theorem we prove that our theory is ... -
Labeled Sequent Calculus for Orthologic
(Wydawnictwo Uniwersytetu Łódzkiego, 2018)Orthologic (OL) is non-classical logic and has been studied as a part of quantumlogic. OL is based on an ortholattice and is also called minimal quantum logic.Sequent calculus is used as a tool for proof in logic and has ...