Ibn sīnā's two-partite versus nine-partite logicography

Musa Akrami

1-12

Homotopical categories of logics

Peter Arndt

13-58

Semi-implication

a chapter in universal logic

Arnon Avron

59-72

A formal framework for hypersequent calculi and their fibring

Marcelo Coniglio, Martin Figallo

73-93

Investigating knowledge and opinion

John Corcoran, Idris Samawi Hamid

95-126

The algebra of opposition (and universal logic interpretations)

Răzvan Diaconescu

127-143

Universal logic as a science of patterns

Brian R. Gaines

145-189

Hexagonal logic of the field $mathbb{f}_{8}$ as a boolean logic with three involutive modalities

René Guitart

191-220

The move from one to two quantifiers

Wilfrid Hodges

221-240

On the contrary

disjunctive syllogism and pragmatic strengthening

Laurence Horn

241-265

Aristotle on language and universal proof

Jean-Louis Hudry

267-281

Béziau on and and or

Lloyd Humberstone

283-307

Universal logic or logics in resemblance families

Dale Jacquette

309-325

Causality and attribution in an Aristotelian theory

Srećko Kovac

327-340

Using each other's words

Marcus Kracht

341-349

On universality and formality in 19th century symbolic logic

the case of Schröder's "absolute algebra"

Javier Legris

351-359

Caramuel and the "quantification of the predicate"

Wolfgang Lenzen

361-384

Lossy inference rules and their bounds

a brief review

David Makinson

385-407

Nonsets

Daniel Parrochia

409-421

A roadmap to decidability

João Rasga, Cristina Sernadas, Amílcar Sernadas

423-445

John Buridan on non-contingency syllogisms

Stephen Read

447-456

Symbolic existence in Hugh MacColl

a dialogical approach

Juan Redmond

457-474

Béziau's contributions to the logical geometry of modalities and quantifiers

Hans Smessaert, Lorenz Demey

475-493

On metalogical relativism

Vladimir L. Vasyukov

495-511

Constructivism and metamathematics

Jan Woleński

513-520