Step
*
1
of Lemma
mset_sum_bor_mon_hom
1. s : DSet@i'
2. x : |s|@i
3. a1 : MSet{s}
4. a2 : MSet{s}
⊢ x ∈b a1 + a2 = (x ∈b a1) ∨b(x ∈b a2)
BY
{ ((BLemma `iff_imp_equal_bool`
THENM RWH bool_to_propC 0
THENM RWH (LemmaC `mset_mem_iff_count_nzero`) 0) THENA Auto) }
1
1. s : DSet@i'
2. x : |s|@i
3. a1 : MSet{s}
4. a2 : MSet{s}
⊢ (x #∈ (a1 + a2)) > 0
⇐⇒ ((x #∈ a1) > 0) ∨ ((x #∈ a2) > 0)
Latex:
Latex:
1. s : DSet@i'
2. x : |s|@i
3. a1 : MSet\{s\}
4. a2 : MSet\{s\}
\mvdash{} x \mmember{}\msubb{} a1 + a2 = (x \mmember{}\msubb{} a1) \mvee{}\msubb{}(x \mmember{}\msubb{} a2)
By
Latex:
((BLemma `iff\_imp\_equal\_bool`
THENM RWH bool\_to\_propC 0
THENM RWH (LemmaC `mset\_mem\_iff\_count\_nzero`) 0) THENA Auto)
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