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INDEPENDENCE PROOFS IN NON-CLASSICAL SET THEORIES

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Author(s):
Tarafder, Sourav ; Venturi, Giorgio
Total Authors: 2
Document type: Journal article
Source: Review of Symbolic Logic; v. N/A, p. 32-pg., 2021-03-22.
Abstract

In this paper we extend to non-classical set theories the standard strategy of proving independence using Boolean-valued models. This extension is provided by means of a new technique that, combining algebras (by taking their product), is able to provide product-algebra-valued models of set theories. In this paper we also provide applications of this new technique by showing that: (1) we can import the classical independence results to non-classical set theory (as an example we prove the independence of CH); and (2) we can provide new independence results. We end by discussing the role of non-classical algebra-valued models for the debate between universists and multiversists and by arguing that non-classical models should be included as legitimate members of the multiverse. (AU)

FAPESP's process: 16/25891-3 - Arbitrariness and genericity: or on how to speak of the unspeakable
Grantee:Giorgio Venturi
Support Opportunities: Research Grants - Young Investigators Grants