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Step * of Lemma assert_witness

∀[b:𝔹]. ((↑b) ⇒ (Ax ∈ ↑b))
BY
{ TACTIC:(Unfold `assert` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[b:\mBbbB{}].  ((\muparrow{}b)  {}\mRightarrow{}  (Ax  \mmember{}  \muparrow{}b))


By

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Latex:
TACTIC:(Unfold  `assert`  0  THEN  Auto)

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