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Step * of Lemma bor-simplify

∀[b:𝔹]. ∀[f:Top].  (b ∨bf[b] ~ b ∨bf[ff])
BY
{ ((D 0 THENA Auto) THEN RW (SweepUpC BorC) 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[b:\mBbbB{}].  \mforall{}[f:Top].    (b  \mvee{}\msubb{}f[b]  \msim{}  b  \mvee{}\msubb{}f[ff])


By

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Latex:
((D  0  THENA  Auto)  THEN  RW  (SweepUpC  BorC)  0  THEN  Auto)

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