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Normativity in logic

Jean-Yves Girard

pp. 243-263

Abstract

Incompleteness—the absence of alternative natural numbers—can be ascribed to a ready-made normativity, inducing a rigid departure syntax/semantics. Geometry of Interaction, set in the non-commutative universe of von Neumann algebras, makes normative assumptions explicit, thus rending possible their internalisation, a possible way out from the semantic aporia. As an illustration, we define an alternative "model": logspace integers.

Publication details

Published in:

Dybjer P, Lindström Sten, Palmgren Erik, Sundholm Göran (2012) Epistemology versus ontology: essays on the philosophy and foundations of mathematics in honour of per Martin-löf. Dordrecht, Springer.

Pages: 243-263

DOI: 10.1007/978-94-007-4435-6_12

Full citation:

Girard Jean-Yves (2012) „Normativity in logic“, In: P. Dybjer, S. Lindström, E. Palmgren & G. Sundholm (eds.), Epistemology versus ontology, Dordrecht, Springer, 243–263.