# Epistemology versus Ontology

## Essays on the Philosophy and Foundations of Mathematics in Honour of Per Martin-Löf

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Part of the Logic, Epistemology, and the Unity of Science book series (LEUS, volume 27)

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Part of the Logic, Epistemology, and the Unity of Science book series (LEUS, volume 27)

This book brings together philosophers, mathematicians and logicians to penetrate important problems in the philosophy and foundations of mathematics. In philosophy, one has been concerned with the opposition between constructivism and classical mathematics and the different ontological and epistemological views that are reflected in this opposition. The dominant foundational framework for current mathematics is classical logic and set theory with the axiom of choice (ZFC). This framework is, however, laden with philosophical difficulties. One important alternative foundational programme that is actively pursued today is predicativistic constructivism based on Martin-Löf type theory. Associated philosophical foundations are meaning theories in the tradition of Wittgenstein, Dummett, Prawitz and Martin-Löf. What is the relation between proof-theoretical semantics in the tradition of Gentzen, Prawitz, and Martin-Löf and Wittgensteinian or other accounts of meaning-as-use? What can proof-theoretical analyses tell us about the scope and limits of constructive and predicative mathematics?

Constructive Type Theory Dummett Gentzen Intuitionism Martin-Löf Martin-Löf's type theory Mathematical structuralism Meaning-as-use Prawitz Proof Theory Wittgenstein axiom of choice (ZFC) category theoretic foundations predicativistic contructivism set theory

- DOI https://doi.org/10.1007/978-94-007-4435-6
- Copyright Information Springer Science+Business Media Dordrecht 2012
- Publisher Name Springer, Dordrecht
- eBook Packages Humanities, Social Sciences and Law
- Print ISBN 978-94-007-4434-9
- Online ISBN 978-94-007-4435-6
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