Forcing with the Anti‐Foundation axiom
Olivier Esser
Abstract
Olivier Esser
Abstract
Abstract In this paper we define the forcing relation and prove its basic properties in the context of the theory ZFCA, i.e., ZFC minus the Foundation axiom and plus the Anti‐Foundation axiom (AFA).
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Abstract In this paper we define the forcing relation and prove its basic properties in the context of the theory ZFCA, i.e., ZFC minus the Foundation axiom and plus the Anti‐Foundation axiom (AFA).
Key concepts: Forcing (mathematics), Mathematics, Axiom, Constructive set theory, Foundation (evidence), Axiom of choice, Zermelo–Fraenkel set theory, Urelement