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Step * of Lemma empty-nat-missing-prop

∀x:ℕ. (¬↑member-nat-missing(x;empty-nat-missing()))
BY
{ (RepUR ``member-nat-missing empty-nat-missing`` 0 THEN Auto THEN AllPushDown THEN D 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}x:\mBbbN{}.  (\mneg{}\muparrow{}member-nat-missing(x;empty-nat-missing()))


By

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Latex:
(RepUR  ``member-nat-missing  empty-nat-missing``  0  THEN  Auto  THEN  AllPushDown  THEN  D  0  THEN  Auto)

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