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Step * of Lemma rng_lsum_nil_lemma

∀f,r:Top.  (Σ{r} x ∈ []. f[x] ~ 0)
BY
{ (RepUR ``rng_lsum`` 0 THEN Auto) }

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Latex:

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


By

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Latex:
(RepUR  ``rng\_lsum``  0  THEN  Auto)

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