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Turning ZM's commentcomment into an answer: Zorn's lemma is sometimes invoked to show that the maximal atlas (in the definition of differentiable manifolds) exists, but it is unnecessary.
(This question is community wiki.)
Turning ZM's comment into an answer: Zorn's lemma is sometimes invoked to show that the maximal atlas (in the definition of differentiable manifolds) exists, but it is unnecessary.
(This question is community wiki.)
Turning ZM's comment into an answer: Zorn's lemma is sometimes invoked to show that the maximal atlas (in the definition of differentiable manifolds) exists, but it is unnecessary.
Turning ZM's comment into an answer: Zorn's lemma is sometimes invoked to show that the maximal atlas (in the definition of differentiable manifolds) exists, but it is unnecessary.
