Full Idea
The Axiom of Choice seems better treated as a non-logical principle of set-theory.
Gist of Idea
The Axiom of Choice is a non-logical principle of set-theory
Source
Keith Hossack (Plurals and Complexes [2000], 4 n8)
Book Reference
-: 'British Soc for the Philosophy of Science' [-], p.421
A Reaction
This reinforces the idea that set theory is not part of logic (and so pure logicism had better not depend on set theory).