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Step * of Lemma sv-bag-tail_wf

∀[A:Type]. ∀[bs:bag(A)].  sv-bag-tail(bs) ∈ bag(A) supposing single-valued-bag(bs;A)
BY
{ ProveWfLemma }

1
1. A : Type
2. bs : bag(A)
3. single-valued-bag(bs;A)
⊢ bs ∈ A List

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[bs:bag(A)].    sv-bag-tail(bs)  \mmember{}  bag(A)  supposing  single-valued-bag(bs;A)


By

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Latex:
ProveWfLemma

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