Step
*
of Lemma
mset_for_mset_inj
∀s:DSet. ∀g:IAbMonoid. ∀f:|s| ⟶ |g|. ∀u:|s|. ((msFor{g} x ∈ mset_inj{s}(u). f[x]) = f[u] ∈ |g|)
BY
{ ((UnivCD) THENA Auto) THEN RepUnfolds ``mset_for mset_inj mk_mset`` 0
THEN AbReduce 0 }
1
1. s : DSet
2. g : IAbMonoid
3. f : |s| ⟶ |g|
4. u : |s|
⊢ (f[u] * e) = f[u] ∈ |g|
Latex:
Latex:
\mforall{}s:DSet. \mforall{}g:IAbMonoid. \mforall{}f:|s| {}\mrightarrow{} |g|. \mforall{}u:|s|. ((msFor\{g\} x \mmember{} mset\_inj\{s\}(u). f[x]) = f[u])
By
Latex:
((UnivCD) THENA Auto) THEN RepUnfolds ``mset\_for mset\_inj mk\_mset`` 0
THEN AbReduce 0
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