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Step * 1 of Lemma const-poly_wf

.....subterm..... T:t
2:n
1. n : ℤ-o
⊢ [] ∈ {vs:ℤ List| sorted(vs)} 
BY
{ (MemTypeCD THEN Auto) }

1
.....set predicate..... 
1. n : ℤ-o
⊢ sorted([])

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Latex:

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Latex:
.....subterm.....  T:t
2:n
1.  n  :  \mBbbZ{}\msupminus{}\msupzero{}
\mvdash{}  []  \mmember{}  \{vs:\mBbbZ{}  List|  sorted(vs)\} 


By

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Latex:
(MemTypeCD  THEN  Auto)

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