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Step * of Lemma lsum_nil_lemma

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∀f:Top. (Σ(f[x] | x ∈ []) ~ 0)
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{ (UnivCD THENA Auto) }

1
1. f : Top
⊢ Σ(f[x] | x ∈ []) ~ 0

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Latex:

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Latex:
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\mforall{}f:Top.  (\mSigma{}(f[x]  |  x  \mmember{}  [])  \msim{}  0)


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Latex:
(UnivCD  THENA  Auto)

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