Source history
Original source: arXiv:math/0608040v4
Detailed backend records are private. Public author/source status appears above.
The permanent identity and original source provenance are retained below.
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"title": "Proof. Let A′ = {β ∈A : α ≤β}. Using Theorem 4.1.3.1, we conclude that the inclusion N(A′) ⊆N(A) is",
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