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Step * of Lemma function-subtype-top

∀[A,B:Type].  ((A ⟶ B) ⊆r Top)
BY
{ Auto }

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Latex:

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Latex:
\mforall{}[A,B:Type].    ((A  {}\mrightarrow{}  B)  \msubseteq{}r  Top)


By

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Latex:
Auto

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