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Logica Universalis

Issue 2-3/2016

Special Issue: The Vatican Square

Content (14 Articles)

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

Mar 16
Issue: 1/2016
Dec 16
Issue: 4/2016

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