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Step * 2 1 1 of Lemma last-data-stream


1. ¬([] = [] ∈ (Top List))
2. P : Top
⊢ -1 ∈ ℕ
BY
{ (D (-1) THEN Auto) }

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Latex:

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Latex:

1.  \mneg{}([]  =  [])
2.  P  :  Top
\mvdash{}  -1  \mmember{}  \mBbbN{}


By

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Latex:
(D  (-1)  THEN  Auto)

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