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Step * 1 1 1 of Lemma ob_pair_lemma


1. y : Top@i
2. x : Top@i
⊢ x ~ x
BY
{ Try SqEqCD }

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Latex:

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Latex:

1.  y  :  Top@i
2.  x  :  Top@i
\mvdash{}  x  \msim{}  x


By

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Latex:
Try  SqEqCD

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