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Step * of Lemma per-value_subtype_base

per-value() ⊆r Base
BY
{ (InstLemma `subtype_rel-per-set` [⌜Base⌝;⌜λ2x.(x)↓⌝]⋅ THENA Auto) }

1
1. per-set(Base;a.(a)↓) ⊆r Base
⊢ per-value() ⊆r Base

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Latex:

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Latex:
per-value()  \msubseteq{}r  Base


By

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Latex:
(InstLemma  `subtype\_rel-per-set`  [\mkleeneopen{}Base\mkleeneclose{};\mkleeneopen{}\mlambda{}\msubtwo{}x.(x)\mdownarrow{}\mkleeneclose{}]\mcdot{}  THENA  Auto)

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