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Step * of Lemma count_bsublist_a

∀s:DSet. ∀as,bs:|s| List.  (↑bsublist(s;as;bs) ⇐⇒ ∀c:|s|. ((c #∈ as) ≤ (c #∈ bs)))
BY
{ (AssertLemma `count_bsublist` []) }

1
1. ∀s:DSet. ∀as,bs:|s| List.  (↑bsublist(s;as;bs) ⇐⇒ {∀c:|s|. ((c #∈ as) ≤ (c #∈ bs))})
⊢ ∀s:DSet. ∀as,bs:|s| List.  (↑bsublist(s;as;bs) ⇐⇒ ∀c:|s|. ((c #∈ as) ≤ (c #∈ bs)))

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Latex:

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Latex:
\mforall{}s:DSet.  \mforall{}as,bs:|s|  List.    (\muparrow{}bsublist(s;as;bs)  \mLeftarrow{}{}\mRightarrow{}  \mforall{}c:|s|.  ((c  \#\mmember{}  as)  \mleq{}  (c  \#\mmember{}  bs)))


By

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Latex:
(AssertLemma  `count\_bsublist`  [])

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