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Step * of Lemma subtype-set

(T:Type × (T ⟶ Set{i:l})) ⊆r Set{i:l}
BY
{ (InstLemma `set-ext` [] THEN Auto) }

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Latex:

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Latex:
(T:Type  \mtimes{}  (T  {}\mrightarrow{}  Set\{i:l\}))  \msubseteq{}r  Set\{i:l\}


By

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Latex:
(InstLemma  `set-ext`  []  THEN  Auto)

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