6533b7d2fe1ef96bd125e11b

RESEARCH PRODUCT

A constructive semantics for non-deducibility

Francesco Ciraulo

subject

AlgebraLogicSemantics (computer science)Binary numberPredicate (mathematical logic)Formal topologyTopological semanticsFirst orderConstructiveMathematics

description

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. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

https://doi.org/10.1002/malq.200710026