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Step * 1 1 1 of Lemma church_null_pair_lemma


1. y : Top@i
2. x : Top@i
⊢ church-false() ~ church-false()
BY
{ Try SqEqCD }

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Latex:

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Latex:

1.  y  :  Top@i
2.  x  :  Top@i
\mvdash{}  church-false()  \msim{}  church-false()


By

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Latex:
Try  SqEqCD

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