Why the Hexagon of Opposition is Really a Triangle: Logical Structures as Geometric Shapes

2024-8-13

Mathematical Representation of Peterson’s Rules for Fuzzy Peterson’s Syllogisms

2024-7-23

The Logic of God: A Pluralistic Representational Theory of Concepts

2024-7-9

Varieties of Cubes of Opposition

2024-7-2

The Oppositions of Categorical Propositions in Avicenna’s Frame

2024-7-2

Correction: Dynamic Oppositional Symmetries for Color, Jungian and Kantian Categories

2024-6-1

Smurfing the Square of Opposition

2024-6-1

Quantifying Statements (Why ‘Every Thing’ is Not ‘Everything’, Among Other ‘Thing’s)

2024-5-25

“Logical Lantern”: Analogue of the Square of Opposition for Propositions in V.I. Markin’s Universal Language for Traditional Positive Syllogistic Theories

2024-5-24

The Buddhist Sengzhao’s Roots in Daoism: Ex Contradictione Nihil

2024-5-10

Modern Versus Classical Structures of Opposition: A Discussion

2024-4-7

Stoic Sign-Inference and Their Lore of Fate

2024-3-15

On the Transitivity of Logical Consequence without Assuming Monotonicity

2024-2-26

Should We Embrace Impossible Worlds Due to the Flaws of Normal Modal Logic?

2024-1-31

Dynamic Oppositional Symmetries for Color, Jungian and Kantian Categories

2023-12-12

The Internal Logic and Finite Colimits

2023-11-28

Morphisms Between Aristotelian Diagrams

2023-11-15

Preface to the Rejection Special Issue

2023-11-7

Operator Counterparts of Types of Reasoning

2023-9-23

Unified Deductive Systems: An Outline

2023-9-23

Rejection: A Historico-Epistemological View

2023-9-16

On Consequence and Rejection as Operators

2023-9-16

Finite Tree-Countermodels via Refutation Systems in Extensions of Positive Logic with Strong Negation

2023-9-14

Complementary Proof Nets for Classical Logic

2023-9-14

Measuring Inconsistency in Generalized Propositional Logic Extended with Nonunary Operators

2023-9-1

A Study of the Metatheory of Assertoric Syllogistic

2023-8-21

On Rearrangement Inequalities for Triangular Norms and Co-norms in Multi-valued Logic

2023-8-16

Epistemic Logics with Quantification Over Epistemic Operators: Decidability and Expressiveness

2023-7-10

Rooted Hypersequent Calculus for Modal Logic S5

2023-6-21

Ultravaluations and their Applications in $$\textsf{CPL}$$

2023-6-16

Revising the Elenchus via Belief Revision

2023-5-22

A Dialectic Contra-Classical Logic

2023-5-9

Probability Logics for Reasoning About Quantum Observations

2023-4-25

The Decision Problem for Effective Procedures

2023-4-24

An Intensional Formalization of Generic Statements

2023-4-18

Negative Predication and Distinctness

2023-3-1

Lindenbaum-Type Logical Structures

2023-2-10

Things May Not Be Simple: On Wittgenstein’s Internal Relations

2022-12-1

Abstract Categorical Logic

2022-11-17

Logics in Fungal Mycelium Networks

2022-11-17

Observation of Autonomous Behavioral Selection in Physarum Plasmodium

2022-10-25

Brain and Its Universal Logical Model of Multi-Agent Biological Systems

2022-10-21

Two Squares of Opposition in Two Arabic Treatises: al-Suhrawardī and al-Sanūsī

2022-10-10

Games and Lindström Theorems

2022-10-5

Three-Dimensional Affine Spatial Logics

2022-9-14

Logic, Spatial Algorithms and Visual Reasoning

2022-9-10

On the Logical Geometry of Geometric Angles

2022-9-7

Maximum Segments as Natural Deduction Images of Some Cuts

2022-8-23

A Modern Rigorous Approach to Stratification in NF/NFU

2022-8-20

Natural Deduction for Quantum Logic

2022-8-5