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Philosophical, Logical, and Experimental routes to substructurality

Project description

Defying the laws of classical reasoning

It is agreed that Classical Logic (the logic devised by Frege at the birth of modern mathematical logic) provides a sharp characterisation of our reasoning in abstract fields like mathematics. However, Classical Logic seems to be inadequate in relation to several phenomena such as vagueness, conditionals or paradoxes. Substructural logics – logics where some structural rule, like weakening, contraction or exchange, can fail – are alternatives to Classical Logic that have attracted a lot of attention by logicians in the last decade. The EU-funded PLEXUS project will study these logics with particular emphasis on "radically substructural logics" – non-transitive and non-reflexive logics. Specifically, PLEXUS will investigate the main philosophical challenges raised by radically substructural logics, their proof-theoretic and model theoretic characterisations and their logico-linguistic applications.

Objective

There is a large family of non-classical logics that fall under the heading of substructurality. Among the logics in the substructural family, the recent philosophical literature pays particular attention to what can be termed “radically substructural logics”: non-transitive and non-reflexive reflexive logics as well as variants and hybrids of these obtained by metainferential ascent. The overall goal of PLEXUS is to advance the knowledge of radical substructural logics and deepen our understanding of the broader phenomenon of substructurality, by coordinating the efforts of researchers across the globe, across generations, and across traditions. We see our project characterised by the following concepts: integration, cross-fertilization and knowledge sharing.
This general objective is articulated in three objectives:
1. Philosophical Foundations: investigate the main philosophical challenges raised by radically substructural logics.
2. Logic and applications: investigate proof-theoretic and model theoretic characterizations of radically substructural logics and their logico-linguistic applications.
3. The Metainferences Inventory and Metainferences Prover: develop a tool to measure naïve reasoners' preferences on metainferences and implement an automatic metainferences prover.

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Programme(s)

Topic(s)

Funding Scheme

HORIZON-TMA-MSCA-SE - HORIZON TMA MSCA Staff Exchanges

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Call for proposal

(opens in new window) HORIZON-MSCA-2021-SE-01

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Coordinator

UNIVERSIDAD DE NAVARRA
Net EU contribution
€ 197 800,00
Address
CAMPUS UNIVERSITARIO EDIFICIO CENTRAL
31080 Pamplona
Spain
Region
Noreste Comunidad Foral de Navarra Navarra
Activity type
Higher or Secondary Education Establishments
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Total cost
No data

Participants (5)

Partners (4)