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Step * of Lemma bool-to-neg-dcdr_wf

∀[A:Type]. ∀[f:A ⟶ 𝔹]. ∀[x:A].  ({f}q x ∈ Dec(f x = ff))
BY
{ Auto }

1
1. A : Type
2. f : A ⟶ 𝔹
3. x : A
⊢ {f}q x ∈ Dec(f x = ff)

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[f:A  {}\mrightarrow{}  \mBbbB{}].  \mforall{}[x:A].    (\{f\}\msubq{}  x  \mmember{}  Dec(f  x  =  ff))


By

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Latex:
Auto

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