Step
*
of Lemma
mset_count_diff
∀s:DSet. ∀as,bs:MSet{s}. ∀c:|s|. ((c #∈ (as - bs)) = ((c #∈ as) -- (c #∈ bs)) ∈ ℤ)
BY
{ ((UnivCD) THENA Auto) }
1
1. s : DSet
2. as : MSet{s}
3. bs : MSet{s}
4. c : |s|
⊢ (c #∈ (as - bs)) = ((c #∈ as) -- (c #∈ bs)) ∈ ℤ
Latex:
Latex:
\mforall{}s:DSet. \mforall{}as,bs:MSet\{s\}. \mforall{}c:|s|. ((c \#\mmember{} (as - bs)) = ((c \#\mmember{} as) -- (c \#\mmember{} bs)))
By
Latex:
((UnivCD) THENA Auto)
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