Barton, Neil and Friedman, Sy-David (2017) Maximality and Ontology: How axiom content varies across philosophical frameworks. [Preprint]
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Abstract
Discussion of new axioms for set theory has often focussed on conceptions of maximality, and how these might relate to the iterative conception of set. This paper provides critical appraisal of how certain maximality axioms behave on different conceptions of ontology concerning the iterative conception. In particular, we argue that forms of multiversism (the view that any universe of a certain kind can be extended) and actualism (the view that there are universes that cannot be extended in particular ways) face complementary problems. The latter view is unable to use maximality axioms that make use of extensions, where the former has to contend with the existence of extensions violating maximality axioms. An analysis of two kinds of multiversism, a Zermelian form and Skolemite form, leads to the conclusion that the kind of maximality captured by an axiom differs substantially according to background ontology.
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| Item Type: | Preprint | |||||||||
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| Keywords: | set theory, multiverse, axiom, foundations of mathematics | |||||||||
| Subjects: | Specific Sciences > Mathematics > Foundations Specific Sciences > Mathematics > Logic Specific Sciences > Mathematics > Ontology Specific Sciences > Mathematics |
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| Depositing User: | Dr. Neil Barton | |||||||||
| Date Deposited: | 06 May 2018 15:33 | |||||||||
| Last Modified: | 06 May 2018 15:33 | |||||||||
| Item ID: | 14637 | |||||||||
| Subjects: | Specific Sciences > Mathematics > Foundations Specific Sciences > Mathematics > Logic Specific Sciences > Mathematics > Ontology Specific Sciences > Mathematics |
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| Date: | 2017 | |||||||||
| URI: | https://philsci-archive.pitt.edu/id/eprint/14637 |
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