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Step * of Lemma church_null_pair_lemma

∀y,x:Top.  (church-null() (church-pair() x y) ~ church-false())
BY
{ (UnivCD THENA Auto) }

1
1. y : Top@i
2. x : Top@i
⊢ church-null() (church-pair() x y) ~ church-false()

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Latex:

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Latex:
\mforall{}y,x:Top.    (church-null()  (church-pair()  x  y)  \msim{}  church-false())


By

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Latex:
(UnivCD  THENA  Auto)

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