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Step * 1 of Lemma ob_pair_lemma


1. y : Top
2. x : Top
⊢ ob(<x, y>) ~ x
BY
{ Try (RW (AddrC [1] (UnfoldC `functor-ob` ANDTHENC ReduceC)) 0)⋅ }

1
1. y : Top
2. x : Top
⊢ x ~ x

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Latex:

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Latex:

1.  y  :  Top
2.  x  :  Top
\mvdash{}  ob(<x,  y>)  \msim{}  x


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldC  `functor-ob`  ANDTHENC  ReduceC))  0)\mcdot{}

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