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INDEPENDENCE PROOFS IN NON-CLASSICAL SET THEORIES

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Autor(es):
Tarafder, Sourav ; Venturi, Giorgio
Número total de Autores: 2
Tipo de documento: Artigo Científico
Fonte: Review of Symbolic Logic; v. N/A, p. 32-pg., 2021-03-22.
Resumo

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)

Processo FAPESP: 16/25891-3 - Arbitrariedade e genericidade: ou sobre como falar do indizível
Beneficiário:Giorgio Venturi
Modalidade de apoio: Auxílio à Pesquisa - Jovens Pesquisadores