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Univalent Foundations as a Foundation for Mathematical Practice

Crane, Harry (2018) Univalent Foundations as a Foundation for Mathematical Practice. [Preprint]

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Abstract

I prove that invoking the univalence axiom is equivalent to arguing 'without loss of generality' (WLOG) within Propositional Univalent Foundations (PropUF), the fragment of Univalent Foundations (UF) in which all homotopy types are mere propositions. As a consequence, I argue that practicing mathematicians, in accepting WLOG as a valid form of argument, implicitly accept the univalence axiom and that UF rightly serves as a Foundation for Mathematical Practice. By contrast, ZFC is inconsistent with WLOG as it is commonly applied, and therefore cannot serve as a foundation for practice.


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Item Type: Preprint
Creators:
CreatorsEmailORCID
Crane, Harryhcrane@stat.rutgers.edu
Keywords: Univalent Foundations, univalence axiom, foundations of mathematics, set theory, ZFC, without loss of generality, mathematical practice
Subjects: Specific Sciences > Mathematics
Depositing User: Harry Crane
Date Deposited: 26 Aug 2018 19:06
Last Modified: 26 Aug 2018 19:06
Item ID: 14966
Subjects: Specific Sciences > Mathematics
Date: 14 August 2018
URI: https://philsci-archive-dev.library.pitt.edu/id/eprint/14966

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