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arxiv: 1702.03399 · v2 · pith:2B5GBSQ2new · submitted 2017-02-11 · 🧮 math.LO · math.CT

Toposes from Forcing for Intuitionistic ZF with Atoms

classification 🧮 math.LO math.CT
keywords forcingatomseveryintuitionisticmodelcategoryequivalentgrothendieck
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We introduce the forcing model of IZFA (Intuitionistic Zermelo-Fraenkel set theory with Atoms) for every Grothendieck topology and prove that the topos of sheaves on every site is equivalent to the category of 'sets in this forcing model'.

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