# Axiom of pairing

## Concept in axiomatic set theory / From Wikipedia, the free encyclopedia

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In axiomatic set theory and the branches of logic, mathematics, and computer science that use it, the **axiom of pairing** is one of the axioms of Zermelo–Fraenkel set theory. It was introduced by Zermelo (1908) as a special case of his axiom of elementary sets.

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