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Step * of Lemma sv-bag-tail-single-valued

∀[A:Type]. ∀[bs:bag(A)].  (single-valued-bag(bs;A) ⇒ 0 < #(bs) ⇒ single-valued-bag(sv-bag-tail(bs);A))
BY
{ Auto }

1
1. A : Type
2. bs : bag(A)
3. single-valued-bag(bs;A)@i
4. 0 < #(bs)@i
⊢ single-valued-bag(sv-bag-tail(bs);A)

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Latex:

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Latex:
\mforall{}[A:Type].  \mforall{}[bs:bag(A)].
    (single-valued-bag(bs;A)  {}\mRightarrow{}  0  <  \#(bs)  {}\mRightarrow{}  single-valued-bag(sv-bag-tail(bs);A))


By

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Latex:
Auto

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