4 Members of Deep Π0 1 classes
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\ By Lemma 3, we can conclude that X is order-deep.
\ One immediate consequence of Theorem 9 is the following.
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\ The converse of this result does not hold.
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\ As an immediate consequence of Theorem 9 and the above results from [BP16], we have:
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\ Next, we have:
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:::info This paper is available on arxiv under CC BY 4.0 DEED license.
:::
:::info Authors:
(1) Laurent Bienvenu;
(2) Christopher P. Porter.
:::
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