A constructive semantics for non-deducibility

Mathematical Logic Quarterly 54 (1):35-48 (2008)
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Abstract

This paper provides a constructive topological semantics for non-deducibility of a first order intuitionistic formula. Formal topology theory, in particular the recently introduced notion of a binary positivity predicate, and co-induction are two needful tools

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10.1002/malq.200710026

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Citations of this work

A constructive investigation of satisfiability.Francesco Ciraulo - 2012 - Annals of Pure and Applied Logic 163 (2):111-121.

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References found in this work

Inductively generated formal topologies.Thierry Coquand, Giovanni Sambin, Jan Smith & Silvio Valentini - 2003 - Annals of Pure and Applied Logic 124 (1-3):71-106.
Pretopologies and completeness proofs.Giovanni Sambin - 1995 - Journal of Symbolic Logic 60 (3):861-878.
Formal Zariski topology: positivity and points.Peter Schuster - 2006 - Annals of Pure and Applied Logic 137 (1-3):317-359.

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