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Step * 1 of Lemma list-list-concat-type


1. T : Type
⊢ [] ∈ {x:T| (x ∈ concat([]))}  List List
BY
{ Auto }

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Latex:

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Latex:

1.  T  :  Type
\mvdash{}  []  \mmember{}  \{x:T|  (x  \mmember{}  concat([]))\}    List  List


By

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Latex:
Auto

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