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Step * of Lemma null-seq_wf

∀[T:Type]. (null ∈ ℕ0 ─→ T)
BY
{ (Unfold `null-seq` 0 THEN Auto) }

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Latex:


\mforall{}[T:Type].  (null  \mmember{}  \mBbbN{}0  {}\mrightarrow{}  T)


By

(Unfold  `null-seq`  0  THEN  Auto)

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