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Step * of Lemma arrow_pair_lemma

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∀y,x:Top.  (arrow(<x, y>) ~ y)
BY
{ (UnivCD THENA Auto) }

1
1. y : Top@i
2. x : Top@i
⊢ arrow(<x, y>) ~ y

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Latex:

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Latex:
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\mforall{}y,x:Top.    (arrow(<x,  y>)  \msim{}  y)


By

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Latex:
(UnivCD  THENA  Auto)

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