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Step * of Lemma equal-Sierpinski-bottom

∀[x:ℕ ⟶ 𝔹]. uiff(x = ⊥ ∈ (ℕ ⟶ 𝔹);∀n:ℕ. (¬↑(x n)))
BY
{ TACTIC:(Unfold `Sierpinski-bottom` 0 THEN Auto THEN RWO "2" 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[x:\mBbbN{}  {}\mrightarrow{}  \mBbbB{}].  uiff(x  =  \mbot{};\mforall{}n:\mBbbN{}.  (\mneg{}\muparrow{}(x  n)))


By

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Latex:
TACTIC:(Unfold  `Sierpinski-bottom`  0  THEN  Auto  THEN  RWO  "2"  0  THEN  Auto)

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