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Step * of Lemma bexists_nil_lemma

∀f,T:Top.  (∃bx(:T) ∈ []. f[x] ~ ff)
BY
{ (UnivCD THENA Auto) }

1
1. f : Top@i
2. T : Top@i
⊢ ∃bx(:T) ∈ []
     f[x] ~ ff

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Latex:

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Latex:
\mforall{}f,T:Top.    (\mexists{}\msubb{}x(:T)  \mmember{}  [].  f[x]  \msim{}  ff)


By

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Latex:
(UnivCD  THENA  Auto)

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