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Logica Universalis

Inhalt (14 Artikel)

The Vatican Square

Jean-Yves Beziau, Raffaela Giovagnoli

Platonic Contrariety (enantia): Ancestor of the Aristotelian Notion of Contradiction (antiphasis)?

Geneviève Lachance

Disentangling Contradiction from Contrariety via Incompatibility

Jean-Yves Beziau

Leibniz’s Logic and the “Cube of Opposition”

Wolfgang Lenzen

Subalternation and existence presuppositions in an unconventionally formalized canonical square of opposition

Dale Jacquette

Singular Propositions, Negation and the Square of Opposition

Lopamudra Choudhury, Mihir Kumar Chakraborty

Metalogical Decorations of Logical Diagrams

Lorenz Demey, Hans Smessaert

Open Access

Logical Squares for Classical Logic Sentences

Urszula Wybraniec-Skardowska

Generalization and Composition of Modal Squares of Oppositions

Claudio Pizzi

A Square of Oppositions in Intuitionistic Logic with Strong Negation

François Lepage

Syllogisms and 5-Square of Opposition with Intermediate Quantifiers in Fuzzy Natural Logic

Petra Murinová, Vilém Novák

Violence Hexagon

Lorenzo Magnani

Cubes and Hypercubes of Opposition, with Ethical Ruminations on Inviolability

Frode Bjørdal

The Klein Group, Squares of Opposition and the Explanation of Fallacies in Reasoning

Serge Robert, Janie Brisson

Aktuelle Ausgaben

Logica Universalis 4/2023
Special Issue: Rejection Logic
Logica Universalis 3/2023
Logica Universalis 2/2023
Logica Universalis 1/2023
Logica Universalis 4/2022
Special Issue: Logic, Spatial Algorithms and Visual Reasoning
Logica Universalis 3/2022
Logica Universalis 1-2/2022
Special Issue: 2nd World Logic Prizes Contest
Logica Universalis 4/2021
Logica Universalis 3/2021
Logica Universalis 2/2021

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Logica Universalis

Ausgabe 2-3/2016

Special Issue: The Vatican Square

Inhalt (14 Artikel)

The Vatican Square

Platonic Contrariety (enantia): Ancestor of the Aristotelian Notion of Contradiction (antiphasis)?

Disentangling Contradiction from Contrariety via Incompatibility

Leibniz’s Logic and the “Cube of Opposition”

Subalternation and existence presuppositions in an unconventionally formalized canonical square of opposition

Singular Propositions, Negation and the Square of Opposition

Metalogical Decorations of Logical Diagrams

Logical Squares for Classical Logic Sentences

Generalization and Composition of Modal Squares of Oppositions

A Square of Oppositions in Intuitionistic Logic with Strong Negation

Syllogisms and 5-Square of Opposition with Intermediate Quantifiers in Fuzzy Natural Logic

Violence Hexagon

Cubes and Hypercubes of Opposition, with Ethical Ruminations on Inviolability

The Klein Group, Squares of Opposition and the Explanation of Fallacies in Reasoning

Aktuelle Ausgaben

Special Issue: Rejection Logic

Logica Universalis 3/2023

Logica Universalis 2/2023

Logica Universalis 1/2023

Special Issue: Logic, Spatial Algorithms and Visual Reasoning

Logica Universalis 3/2022

Special Issue: 2nd World Logic Prizes Contest

Logica Universalis 4/2021

Logica Universalis 3/2021

Logica Universalis 2/2021

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