Step | Hyp | Ref
| Expression |
1 | | carsgclctun.2 |
. . . 4
⊢ (𝜑 → 𝐴 ⊆ (toCaraSiga‘𝑀)) |
2 | 1 | unissd 4854 |
. . 3
⊢ (𝜑 → ∪ 𝐴
⊆ ∪ (toCaraSiga‘𝑀)) |
3 | | carsgval.1 |
. . . 4
⊢ (𝜑 → 𝑂 ∈ 𝑉) |
4 | | carsgval.2 |
. . . 4
⊢ (𝜑 → 𝑀:𝒫 𝑂⟶(0[,]+∞)) |
5 | | carsgsiga.1 |
. . . 4
⊢ (𝜑 → (𝑀‘∅) = 0) |
6 | 3, 4, 5 | carsguni 32254 |
. . 3
⊢ (𝜑 → ∪ (toCaraSiga‘𝑀) = 𝑂) |
7 | 2, 6 | sseqtrd 3965 |
. 2
⊢ (𝜑 → ∪ 𝐴
⊆ 𝑂) |
8 | 3 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑂 ∈ 𝑉) |
9 | 4 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑀:𝒫 𝑂⟶(0[,]+∞)) |
10 | 5 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘∅) = 0) |
11 | | carsgsiga.2 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ≼ ω ∧ 𝑥 ⊆ 𝒫 𝑂) → (𝑀‘∪ 𝑥) ≤ Σ*𝑦 ∈ 𝑥(𝑀‘𝑦)) |
12 | 11 | 3adant1r 1175 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑥 ≼ ω ∧ 𝑥 ⊆ 𝒫 𝑂) → (𝑀‘∪ 𝑥) ≤ Σ*𝑦 ∈ 𝑥(𝑀‘𝑦)) |
13 | | carsgsiga.3 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ⊆ 𝑦 ∧ 𝑦 ∈ 𝒫 𝑂) → (𝑀‘𝑥) ≤ (𝑀‘𝑦)) |
14 | 13 | 3adant1r 1175 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑥 ⊆ 𝑦 ∧ 𝑦 ∈ 𝒫 𝑂) → (𝑀‘𝑥) ≤ (𝑀‘𝑦)) |
15 | | carsgclctun.1 |
. . . . . . 7
⊢ (𝜑 → 𝐴 ≼ ω) |
16 | 15 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝐴 ≼ ω) |
17 | 1 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝐴 ⊆ (toCaraSiga‘𝑀)) |
18 | | simpr 484 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → 𝑒 ∈ 𝒫 𝑂) |
19 | 8, 9, 10, 12, 14, 16, 17, 18 | carsgclctunlem3 32266 |
. . . . 5
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ≤ (𝑀‘𝑒)) |
20 | | inex1g 5246 |
. . . . . . . . 9
⊢ (𝑒 ∈ 𝒫 𝑂 → (𝑒 ∩ ∪ 𝐴) ∈ V) |
21 | 20 | adantl 481 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∩ ∪ 𝐴) ∈ V) |
22 | | difexg 5254 |
. . . . . . . . 9
⊢ (𝑒 ∈ 𝒫 𝑂 → (𝑒 ∖ ∪ 𝐴) ∈ V) |
23 | 22 | adantl 481 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∖ ∪ 𝐴) ∈ V) |
24 | | prct 31028 |
. . . . . . . 8
⊢ (((𝑒 ∩ ∪ 𝐴)
∈ V ∧ (𝑒 ∖
∪ 𝐴) ∈ V) → {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼
ω) |
25 | 21, 23, 24 | syl2anc 583 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼
ω) |
26 | 18 | elpwincl1 30853 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∩ ∪ 𝐴) ∈ 𝒫 𝑂) |
27 | 18 | elpwdifcl 30854 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑒 ∖ ∪ 𝐴) ∈ 𝒫 𝑂) |
28 | | prssi 4759 |
. . . . . . . 8
⊢ (((𝑒 ∩ ∪ 𝐴)
∈ 𝒫 𝑂 ∧
(𝑒 ∖ ∪ 𝐴)
∈ 𝒫 𝑂) →
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
⊆ 𝒫 𝑂) |
29 | 26, 27, 28 | syl2anc 583 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ⊆ 𝒫 𝑂) |
30 | | prex 5358 |
. . . . . . . . 9
⊢ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
∈ V |
31 | | breq1 5081 |
. . . . . . . . . . . 12
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → (𝑥 ≼ ω ↔ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼
ω)) |
32 | | sseq1 3950 |
. . . . . . . . . . . 12
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → (𝑥 ⊆ 𝒫 𝑂 ↔ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ⊆ 𝒫 𝑂)) |
33 | 31, 32 | 3anbi23d 1437 |
. . . . . . . . . . 11
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → ((𝜑 ∧ 𝑥 ≼ ω ∧ 𝑥 ⊆ 𝒫 𝑂) ↔ (𝜑 ∧ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼ ω ∧ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
⊆ 𝒫 𝑂))) |
34 | | unieq 4855 |
. . . . . . . . . . . . 13
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → ∪ 𝑥 =
∪ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)}) |
35 | 34 | fveq2d 6772 |
. . . . . . . . . . . 12
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → (𝑀‘∪ 𝑥) = (𝑀‘∪ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)})) |
36 | | esumeq1 31981 |
. . . . . . . . . . . 12
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} →
Σ*𝑦 ∈
𝑥(𝑀‘𝑦) = Σ*𝑦 ∈ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} (𝑀‘𝑦)) |
37 | 35, 36 | breq12d 5091 |
. . . . . . . . . . 11
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → ((𝑀‘∪ 𝑥) ≤ Σ*𝑦 ∈ 𝑥(𝑀‘𝑦) ↔ (𝑀‘∪ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)})
≤ Σ*𝑦
∈ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦))) |
38 | 33, 37 | imbi12d 344 |
. . . . . . . . . 10
⊢ (𝑥 = {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} → (((𝜑 ∧ 𝑥 ≼ ω ∧ 𝑥 ⊆ 𝒫 𝑂) → (𝑀‘∪ 𝑥) ≤ Σ*𝑦 ∈ 𝑥(𝑀‘𝑦)) ↔ ((𝜑 ∧ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼ ω ∧ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
⊆ 𝒫 𝑂) →
(𝑀‘∪ {(𝑒
∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)}) ≤
Σ*𝑦 ∈
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦)))) |
39 | 38, 11 | vtoclg 3503 |
. . . . . . . . 9
⊢ ({(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
∈ V → ((𝜑 ∧
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
≼ ω ∧ {(𝑒
∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ⊆ 𝒫 𝑂) → (𝑀‘∪ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)})
≤ Σ*𝑦
∈ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦))) |
40 | 30, 39 | ax-mp 5 |
. . . . . . . 8
⊢ ((𝜑 ∧ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼ ω ∧ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
⊆ 𝒫 𝑂) →
(𝑀‘∪ {(𝑒
∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)}) ≤
Σ*𝑦 ∈
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦)) |
41 | 40 | 3adant1r 1175 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} ≼ ω ∧ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
⊆ 𝒫 𝑂) →
(𝑀‘∪ {(𝑒
∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)}) ≤
Σ*𝑦 ∈
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦)) |
42 | 25, 29, 41 | mpd3an23 1461 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘∪ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)})
≤ Σ*𝑦
∈ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
(𝑀‘𝑦)) |
43 | | uniprg 4861 |
. . . . . . . . 9
⊢ (((𝑒 ∩ ∪ 𝐴)
∈ 𝒫 𝑂 ∧
(𝑒 ∖ ∪ 𝐴)
∈ 𝒫 𝑂) →
∪ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} = ((𝑒 ∩ ∪ 𝐴) ∪ (𝑒 ∖ ∪ 𝐴))) |
44 | 26, 27, 43 | syl2anc 583 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ∪
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
= ((𝑒 ∩ ∪ 𝐴)
∪ (𝑒 ∖ ∪ 𝐴))) |
45 | | inundif 4417 |
. . . . . . . 8
⊢ ((𝑒 ∩ ∪ 𝐴)
∪ (𝑒 ∖ ∪ 𝐴))
= 𝑒 |
46 | 44, 45 | eqtrdi 2795 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ∪
{(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)}
= 𝑒) |
47 | 46 | fveq2d 6772 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘∪ {(𝑒 ∩ ∪ 𝐴),
(𝑒 ∖ ∪ 𝐴)})
= (𝑀‘𝑒)) |
48 | | simpr 484 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑦 = (𝑒 ∩ ∪ 𝐴)) → 𝑦 = (𝑒 ∩ ∪ 𝐴)) |
49 | 48 | fveq2d 6772 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑦 = (𝑒 ∩ ∪ 𝐴)) → (𝑀‘𝑦) = (𝑀‘(𝑒 ∩ ∪ 𝐴))) |
50 | | simpr 484 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑦 = (𝑒 ∖ ∪ 𝐴)) → 𝑦 = (𝑒 ∖ ∪ 𝐴)) |
51 | 50 | fveq2d 6772 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ 𝑦 = (𝑒 ∖ ∪ 𝐴)) → (𝑀‘𝑦) = (𝑀‘(𝑒 ∖ ∪ 𝐴))) |
52 | 9, 26 | ffvelrnd 6956 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∩ ∪ 𝐴)) ∈
(0[,]+∞)) |
53 | 9, 27 | ffvelrnd 6956 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∖ ∪ 𝐴)) ∈
(0[,]+∞)) |
54 | | ineq2 4145 |
. . . . . . . . . . . . 13
⊢ ((𝑒 ∩ ∪ 𝐴) =
(𝑒 ∖ ∪ 𝐴)
→ ((𝑒 ∩ ∪ 𝐴)
∩ (𝑒 ∩ ∪ 𝐴))
= ((𝑒 ∩ ∪ 𝐴)
∩ (𝑒 ∖ ∪ 𝐴))) |
55 | | inidm 4157 |
. . . . . . . . . . . . 13
⊢ ((𝑒 ∩ ∪ 𝐴)
∩ (𝑒 ∩ ∪ 𝐴))
= (𝑒 ∩ ∪ 𝐴) |
56 | | inindif 30842 |
. . . . . . . . . . . . 13
⊢ ((𝑒 ∩ ∪ 𝐴)
∩ (𝑒 ∖ ∪ 𝐴))
= ∅ |
57 | 54, 55, 56 | 3eqtr3g 2802 |
. . . . . . . . . . . 12
⊢ ((𝑒 ∩ ∪ 𝐴) =
(𝑒 ∖ ∪ 𝐴)
→ (𝑒 ∩ ∪ 𝐴) =
∅) |
58 | 57 | adantl 481 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ (𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴)) → (𝑒 ∩ ∪ 𝐴) = ∅) |
59 | 58 | fveq2d 6772 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ (𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴)) → (𝑀‘(𝑒 ∩ ∪ 𝐴)) = (𝑀‘∅)) |
60 | 5 | ad2antrr 722 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ (𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴)) → (𝑀‘∅) = 0) |
61 | 59, 60 | eqtrd 2779 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ (𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴)) → (𝑀‘(𝑒 ∩ ∪ 𝐴)) = 0) |
62 | 61 | orcd 869 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) ∧ (𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴)) → ((𝑀‘(𝑒 ∩ ∪ 𝐴)) = 0 ∨ (𝑀‘(𝑒 ∩ ∪ 𝐴)) = +∞)) |
63 | 62 | ex 412 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑒 ∩ ∪ 𝐴) = (𝑒 ∖ ∪ 𝐴) → ((𝑀‘(𝑒 ∩ ∪ 𝐴)) = 0 ∨ (𝑀‘(𝑒 ∩ ∪ 𝐴)) =
+∞))) |
64 | 49, 51, 26, 27, 52, 53, 63 | esumpr2 32014 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → Σ*𝑦 ∈ {(𝑒 ∩ ∪ 𝐴), (𝑒 ∖ ∪ 𝐴)} (𝑀‘𝑦) = ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴)))) |
65 | 42, 47, 64 | 3brtr3d 5109 |
. . . . 5
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘𝑒) ≤ ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴)))) |
66 | 19, 65 | jca 511 |
. . . 4
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ≤ (𝑀‘𝑒) ∧ (𝑀‘𝑒) ≤ ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))))) |
67 | | iccssxr 13144 |
. . . . . . 7
⊢
(0[,]+∞) ⊆ ℝ* |
68 | 67, 52 | sselid 3923 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∩ ∪ 𝐴)) ∈
ℝ*) |
69 | 67, 53 | sselid 3923 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘(𝑒 ∖ ∪ 𝐴)) ∈
ℝ*) |
70 | 68, 69 | xaddcld 13017 |
. . . . 5
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ∈
ℝ*) |
71 | 4 | ffvelrnda 6955 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘𝑒) ∈ (0[,]+∞)) |
72 | 67, 71 | sselid 3923 |
. . . . 5
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (𝑀‘𝑒) ∈
ℝ*) |
73 | | xrletri3 12870 |
. . . . 5
⊢ ((((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ∈ ℝ*
∧ (𝑀‘𝑒) ∈ ℝ*)
→ (((𝑀‘(𝑒 ∩ ∪ 𝐴))
+𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) = (𝑀‘𝑒) ↔ (((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ≤ (𝑀‘𝑒) ∧ (𝑀‘𝑒) ≤ ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴)))))) |
74 | 70, 72, 73 | syl2anc 583 |
. . . 4
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → (((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) = (𝑀‘𝑒) ↔ (((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) ≤ (𝑀‘𝑒) ∧ (𝑀‘𝑒) ≤ ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴)))))) |
75 | 66, 74 | mpbird 256 |
. . 3
⊢ ((𝜑 ∧ 𝑒 ∈ 𝒫 𝑂) → ((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) = (𝑀‘𝑒)) |
76 | 75 | ralrimiva 3109 |
. 2
⊢ (𝜑 → ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) = (𝑀‘𝑒)) |
77 | 3, 4 | elcarsg 32251 |
. 2
⊢ (𝜑 → (∪ 𝐴
∈ (toCaraSiga‘𝑀)
↔ (∪ 𝐴 ⊆ 𝑂 ∧ ∀𝑒 ∈ 𝒫 𝑂((𝑀‘(𝑒 ∩ ∪ 𝐴)) +𝑒 (𝑀‘(𝑒 ∖ ∪ 𝐴))) = (𝑀‘𝑒)))) |
78 | 7, 76, 77 | mpbir2and 709 |
1
⊢ (𝜑 → ∪ 𝐴
∈ (toCaraSiga‘𝑀)) |