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Step * 1 of Lemma nth_tl_is_nil


1. n : ℤ
⊢ ∀[L:Top List]. L ~ [] supposing ||L|| ≤ 0
BY
{ (InductionOnList THEN Reduce 0 THEN Auto') }

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Latex:

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Latex:

1.  n  :  \mBbbZ{}
\mvdash{}  \mforall{}[L:Top  List].  L  \msim{}  []  supposing  ||L||  \mleq{}  0


By

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Latex:
(InductionOnList  THEN  Reduce  0  THEN  Auto')

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