Bulletin of the Section of Logic 46/34 (2017)
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TABLE OF CONTENTS
1. Bayesian Propositional LogicTomasz JARMUŻEK, Mateusz KLONOWSKI and Jacek MALINOWSKI
2. Identity, Equality, Nameability and Completeness
Marίa MANZANO and Manuel Crescencio MORENO
3. On Theses without Iterated Modalities of Modal Logics Between C1 and S5. Part 2
Andrzej PIETRUSZCZAK
4. A Syntactic Approach to Closure Operation
Marek NOWAK
5. An Inferentially ManyValued TwoDimensional Notion of Entailment
Carolina BLASIO, João MARCOS and Heinrich WANSING
6. Logics with Impossibility as the Negation and Regular Extensions of the Deontic Logic D2
Krystyna MRUCZEKNASIENIEWSKA and Marek NASIENIEWSKI
7. Deontic Paradoxes and Tableau System for Kalinowski’s Deontic Logic K1
Janusz CIUCIURA
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An Inferentially ManyValued TwoDimensional Notion of Entailment
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)Starting from the notions of qentailment and pentailment, a twodimensional notion of entailment is developed with respect to certain generalized qmatrices referred to as Bmatrices. After showing that every purely ... 
Logics with Impossibility as the Negation and Regular Extensions of the Deontic Logic D2
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)In [1] J.Y. Bèziau formulated a logic called Z. Bèziau’s idea was generalized independently in [6] and [7]. A family of logics to which Z belongs is denoted in [7] by K. In particular; it has been shown in [6] and [7] ... 
On Theses without Iterated Modalities of Modal Logics Between C1 and S5. Part 2
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)This is the second, out of two papers, in which we identify all logics between C1 and S5 having the same theses without iterated modalities. All these logics can be divided into certain groups. Each such group depends only ... 
Deontic Paradoxes and Tableau System for Kalinowski’s Deontic Logic K1
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)In 1953, Jerzy Kalinowski published his paper on the logic of normative sentences. The paper is recognized as one of the first publications on the formal system of deontic logic. The aim of this paper is to present a tableau ... 
A Syntactic Approach to Closure Operation
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)In the paper, tracing the traditional Hilbertstyle syntactic account of logics, a syntactic characteristic of a closure operation defined on a complete lattice follows. The approach is based on observation that the role ... 
Identity, Equality, Nameability and Completeness
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)This article is an extended promenade strolling along the winding roads of identity, equality, nameability and completeness, looking for places where they converge. We have distinguished between identity and equality; the ... 
Bayesian Propositional Logic
(Wydawnictwo Uniwersytetu Łódzkiego, 2017)We define and investigate from a logical point of view a family of consequence relations defined in probabilistic terms. We call them relations of supporting, and write: ≈w , where w is a probability function on a Boolean ...