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Step * of Lemma vs-bag-add_wf

∀[K:Rng]. ∀[vs:VectorSpace(K)]. ∀[S:Type]. ∀[f:S ⟶ Point(vs)]. ∀[bs:bag(S)].  (Σ{f[b] | b ∈ bs} ∈ Point(vs))
BY
{ (ProveWfLemma THEN D 0 THEN Reduce 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[K:Rng].  \mforall{}[vs:VectorSpace(K)].  \mforall{}[S:Type].  \mforall{}[f:S  {}\mrightarrow{}  Point(vs)].  \mforall{}[bs:bag(S)].
    (\mSigma{}\{f[b]  |  b  \mmember{}  bs\}  \mmember{}  Point(vs))


By

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Latex:
(ProveWfLemma  THEN  D  0  THEN  Reduce  0  THEN  Auto)

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