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Step * 1 of Lemma sum_map_nil_lemma


1. f : Top@i
⊢ Σf[x] for x ∈ [] ~ 0
BY
{ Try (RW (AddrC [1] (UnfoldC `sum-map` ANDTHENC ReduceC)) 0)⋅ }

1
1. f : Top@i
⊢ 0 ~ 0

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Latex:

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Latex:

1.  f  :  Top@i
\mvdash{}  \mSigma{}f[x]  for  x  \mmember{}  []  \msim{}  0


By

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Latex:
Try  (RW  (AddrC  [1]  (UnfoldC  `sum-map`  ANDTHENC  ReduceC))  0)\mcdot{}

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