Step
*
1
1
of Lemma
mset_mem_mon_for_union
1. s : DSet@i'
2. s' : DSet@i'
3. a : MSet{s}@i
4. e : |s| ⟶ MSet{s'}@i
5. x : |s'|@i
⊢ (λz.(x ∈b z)) (msFor{<MSet{s'},⋃,0>} y ∈ a. e[y]) = ∃b{s} y ∈ a. ((λz.(x ∈b z)) e[y])
BY
{ ((BLemma `dist_hom_over_mset_for`) THENA Auto) }
Latex:
Latex:
1. s : DSet@i'
2. s' : DSet@i'
3. a : MSet\{s\}@i
4. e : |s| {}\mrightarrow{} MSet\{s'\}@i
5. x : |s'|@i
\mvdash{} (\mlambda{}z.(x \mmember{}\msubb{} z)) (msFor\{<MSet\{s'\},\mcup{},0>\} y \mmember{} a. e[y]) = \mexists{}\msubb{}\{s\} y \mmember{} a. ((\mlambda{}z.(x \mmember{}\msubb{} z)) e[y])
By
Latex:
((BLemma `dist\_hom\_over\_mset\_for`) THENA Auto)
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