Step | Hyp | Ref
| Expression |
1 | | fveq2 6103 |
. . . . . 6
⊢ (𝑋 = ∅ →
(voln*‘𝑋) =
(voln*‘∅)) |
2 | 1 | fveq1d 6105 |
. . . . 5
⊢ (𝑋 = ∅ →
((voln*‘𝑋)‘∪
𝑛 ∈ ℕ (𝐴‘𝑛)) = ((voln*‘∅)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛))) |
3 | 2 | adantl 481 |
. . . 4
⊢ ((𝜑 ∧ 𝑋 = ∅) → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) = ((voln*‘∅)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛))) |
4 | | ovnsubadd.2 |
. . . . . . . . . . . 12
⊢ (𝜑 → 𝐴:ℕ⟶𝒫 (ℝ
↑𝑚 𝑋)) |
5 | 4 | adantr 480 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴:ℕ⟶𝒫 (ℝ
↑𝑚 𝑋)) |
6 | | simpr 476 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℕ) |
7 | 5, 6 | ffvelrnd 6268 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴‘𝑛) ∈ 𝒫 (ℝ
↑𝑚 𝑋)) |
8 | | elpwi 4117 |
. . . . . . . . . 10
⊢ ((𝐴‘𝑛) ∈ 𝒫 (ℝ
↑𝑚 𝑋) → (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
9 | 7, 8 | syl 17 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
10 | 9 | ralrimiva 2949 |
. . . . . . . 8
⊢ (𝜑 → ∀𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
11 | | iunss 4497 |
. . . . . . . 8
⊢ (∪ 𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋) ↔ ∀𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
12 | 10, 11 | sylibr 223 |
. . . . . . 7
⊢ (𝜑 → ∪ 𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
13 | 12 | adantr 480 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑋 = ∅) → ∪ 𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
𝑋)) |
14 | | oveq2 6557 |
. . . . . . 7
⊢ (𝑋 = ∅ → (ℝ
↑𝑚 𝑋) = (ℝ ↑𝑚
∅)) |
15 | 14 | adantl 481 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑋 = ∅) → (ℝ
↑𝑚 𝑋) = (ℝ ↑𝑚
∅)) |
16 | 13, 15 | sseqtrd 3604 |
. . . . 5
⊢ ((𝜑 ∧ 𝑋 = ∅) → ∪ 𝑛 ∈ ℕ (𝐴‘𝑛) ⊆ (ℝ ↑𝑚
∅)) |
17 | 16 | ovn0val 39440 |
. . . 4
⊢ ((𝜑 ∧ 𝑋 = ∅) →
((voln*‘∅)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) = 0) |
18 | 3, 17 | eqtrd 2644 |
. . 3
⊢ ((𝜑 ∧ 𝑋 = ∅) → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) = 0) |
19 | | nnex 10903 |
. . . . . 6
⊢ ℕ
∈ V |
20 | 19 | a1i 11 |
. . . . 5
⊢ (𝜑 → ℕ ∈
V) |
21 | | ovnsubadd.1 |
. . . . . . . 8
⊢ (𝜑 → 𝑋 ∈ Fin) |
22 | 21 | adantr 480 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑋 ∈ Fin) |
23 | 22, 9 | ovncl 39457 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((voln*‘𝑋)‘(𝐴‘𝑛)) ∈ (0[,]+∞)) |
24 | | eqid 2610 |
. . . . . 6
⊢ (𝑛 ∈ ℕ ↦
((voln*‘𝑋)‘(𝐴‘𝑛))) = (𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))) |
25 | 23, 24 | fmptd 6292 |
. . . . 5
⊢ (𝜑 → (𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))):ℕ⟶(0[,]+∞)) |
26 | 20, 25 | sge0ge0 39277 |
. . . 4
⊢ (𝜑 → 0 ≤
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))))) |
27 | 26 | adantr 480 |
. . 3
⊢ ((𝜑 ∧ 𝑋 = ∅) → 0 ≤
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))))) |
28 | 18, 27 | eqbrtrd 4605 |
. 2
⊢ ((𝜑 ∧ 𝑋 = ∅) → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) ≤
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))))) |
29 | 21, 12 | ovnxrcl 39459 |
. . . 4
⊢ (𝜑 → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) ∈
ℝ*) |
30 | 29 | adantr 480 |
. . 3
⊢ ((𝜑 ∧ ¬ 𝑋 = ∅) → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) ∈
ℝ*) |
31 | 20, 25 | sge0xrcl 39278 |
. . . 4
⊢ (𝜑 →
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛)))) ∈
ℝ*) |
32 | 31 | adantr 480 |
. . 3
⊢ ((𝜑 ∧ ¬ 𝑋 = ∅) →
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛)))) ∈
ℝ*) |
33 | 21 | ad2antrr 758 |
. . . 4
⊢ (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑋 ∈ Fin) |
34 | | neqne 2790 |
. . . . 5
⊢ (¬
𝑋 = ∅ → 𝑋 ≠ ∅) |
35 | 34 | ad2antlr 759 |
. . . 4
⊢ (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑋 ≠ ∅) |
36 | 4 | ad2antrr 758 |
. . . 4
⊢ (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝐴:ℕ⟶𝒫
(ℝ ↑𝑚 𝑋)) |
37 | | simpr 476 |
. . . 4
⊢ (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑦 ∈
ℝ+) |
38 | | eqid 2610 |
. . . 4
⊢ (𝑎 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑧 ∈ ℝ* ∣
∃𝑖 ∈ (((ℝ
× ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝑎 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑖‘𝑗))‘𝑘) ∧ 𝑧 =
(Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ (𝑖‘𝑗))‘𝑘)))))}) = (𝑎 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑧 ∈ ℝ* ∣
∃𝑖 ∈ (((ℝ
× ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)(𝑎 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑖‘𝑗))‘𝑘) ∧ 𝑧 =
(Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ (𝑖‘𝑗))‘𝑘)))))}) |
39 | | sseq1 3589 |
. . . . . 6
⊢ (𝑏 = 𝑎 → (𝑏 ⊆ ∪
𝑗 ∈ ℕ X𝑘 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘) ↔ 𝑎 ⊆ ∪
𝑗 ∈ ℕ X𝑘 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘))) |
40 | 39 | rabbidv 3164 |
. . . . 5
⊢ (𝑏 = 𝑎 → {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)} = {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑎 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)}) |
41 | 40 | cbvmptv 4678 |
. . . 4
⊢ (𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)}) = (𝑎 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑎 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)}) |
42 | | eqid 2610 |
. . . 4
⊢ (ℎ ∈ ((ℝ ×
ℝ) ↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘))) = (ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘))) |
43 | | fveq2 6103 |
. . . . . . . . . . . . . . . . . . . . . 22
⊢ (𝑜 = 𝑗 → (𝑙‘𝑜) = (𝑙‘𝑗)) |
44 | 43 | coeq2d 5206 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑜 = 𝑗 → ([,) ∘ (𝑙‘𝑜)) = ([,) ∘ (𝑙‘𝑗))) |
45 | 44 | fveq1d 6105 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑜 = 𝑗 → (([,) ∘ (𝑙‘𝑜))‘𝑑) = (([,) ∘ (𝑙‘𝑗))‘𝑑)) |
46 | 45 | ixpeq2dv 7810 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑜 = 𝑗 → X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑) = X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑑)) |
47 | | fveq2 6103 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑑 = 𝑘 → (([,) ∘ (𝑙‘𝑗))‘𝑑) = (([,) ∘ (𝑙‘𝑗))‘𝑘)) |
48 | 47 | cbvixpv 7812 |
. . . . . . . . . . . . . . . . . . 19
⊢ X𝑑 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑑) = X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘) |
49 | 46, 48 | syl6eq 2660 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑜 = 𝑗 → X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑) = X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)) |
50 | 49 | cbviunv 4495 |
. . . . . . . . . . . . . . . . 17
⊢ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑) = ∪ 𝑗 ∈ ℕ X𝑘 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘) |
51 | 50 | sseq2i 3593 |
. . . . . . . . . . . . . . . 16
⊢ (𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑) ↔ 𝑏 ⊆ ∪
𝑗 ∈ ℕ X𝑘 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)) |
52 | 51 | a1i 11 |
. . . . . . . . . . . . . . 15
⊢ (𝑙 ∈ (((ℝ ×
ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ) →
(𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑) ↔ 𝑏 ⊆ ∪
𝑗 ∈ ℕ X𝑘 ∈
𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘))) |
53 | 52 | rabbiia 3161 |
. . . . . . . . . . . . . 14
⊢ {𝑙 ∈ (((ℝ ×
ℝ) ↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)} = {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)} |
54 | 53 | mpteq2i 4669 |
. . . . . . . . . . . . 13
⊢ (𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)}) = (𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)}) |
55 | 54 | fveq1i 6104 |
. . . . . . . . . . . 12
⊢ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑑) |
56 | | fveq2 6103 |
. . . . . . . . . . . 12
⊢ (𝑑 = 𝑎 → ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎)) |
57 | 55, 56 | syl5eq 2656 |
. . . . . . . . . . 11
⊢ (𝑑 = 𝑎 → ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎)) |
58 | 57 | eleq2d 2673 |
. . . . . . . . . 10
⊢ (𝑑 = 𝑎 → (𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ↔ 𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎))) |
59 | | fveq2 6103 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑑 = 𝑘 → (([,) ∘ ℎ)‘𝑑) = (([,) ∘ ℎ)‘𝑘)) |
60 | 59 | fveq2d 6107 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑑 = 𝑘 → (vol‘(([,) ∘ ℎ)‘𝑑)) = (vol‘(([,) ∘ ℎ)‘𝑘))) |
61 | 60 | cbvprodv 14485 |
. . . . . . . . . . . . . . . . 17
⊢
∏𝑑 ∈
𝑋 (vol‘(([,) ∘
ℎ)‘𝑑)) = ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)) |
62 | 61 | mpteq2i 4669 |
. . . . . . . . . . . . . . . 16
⊢ (ℎ ∈ ((ℝ ×
ℝ) ↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑))) = (ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘))) |
63 | 62 | a1i 11 |
. . . . . . . . . . . . . . 15
⊢ (𝑜 = 𝑗 → (ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑))) = (ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))) |
64 | | fveq2 6103 |
. . . . . . . . . . . . . . 15
⊢ (𝑜 = 𝑗 → (𝑚‘𝑜) = (𝑚‘𝑗)) |
65 | 63, 64 | fveq12d 6109 |
. . . . . . . . . . . . . 14
⊢ (𝑜 = 𝑗 → ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)) = ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗))) |
66 | 65 | cbvmptv 4678 |
. . . . . . . . . . . . 13
⊢ (𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ ×
ℝ) ↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜))) = (𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗))) |
67 | 66 | fveq2i 6106 |
. . . . . . . . . . . 12
⊢
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) =
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) |
68 | 67 | a1i 11 |
. . . . . . . . . . 11
⊢ (𝑑 = 𝑎 →
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) =
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗))))) |
69 | | fveq2 6103 |
. . . . . . . . . . . 12
⊢ (𝑑 = 𝑎 → ((voln*‘𝑋)‘𝑑) = ((voln*‘𝑋)‘𝑎)) |
70 | 69 | oveq1d 6564 |
. . . . . . . . . . 11
⊢ (𝑑 = 𝑎 → (((voln*‘𝑋)‘𝑑) +𝑒 𝑓) = (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)) |
71 | 68, 70 | breq12d 4596 |
. . . . . . . . . 10
⊢ (𝑑 = 𝑎 →
((Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓) ↔
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓))) |
72 | 58, 71 | anbi12d 743 |
. . . . . . . . 9
⊢ (𝑑 = 𝑎 → ((𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∧
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)) ↔ (𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∧
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)))) |
73 | 72 | rabbidva2 3162 |
. . . . . . . 8
⊢ (𝑑 = 𝑎 → {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∣
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)} = {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}) |
74 | | fveq1 6102 |
. . . . . . . . . . . . 13
⊢ (𝑚 = 𝑖 → (𝑚‘𝑗) = (𝑖‘𝑗)) |
75 | 74 | fveq2d 6107 |
. . . . . . . . . . . 12
⊢ (𝑚 = 𝑖 → ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)) = ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗))) |
76 | 75 | mpteq2dv 4673 |
. . . . . . . . . . 11
⊢ (𝑚 = 𝑖 → (𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗))) = (𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) |
77 | 76 | fveq2d 6107 |
. . . . . . . . . 10
⊢ (𝑚 = 𝑖 →
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) =
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗))))) |
78 | 77 | breq1d 4593 |
. . . . . . . . 9
⊢ (𝑚 = 𝑖 →
((Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) ↔
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓))) |
79 | 78 | cbvrabv 3172 |
. . . . . . . 8
⊢ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑚‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)} |
80 | 73, 79 | syl6eq 2660 |
. . . . . . 7
⊢ (𝑑 = 𝑎 → {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∣
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}) |
81 | 80 | mpteq2dv 4673 |
. . . . . 6
⊢ (𝑑 = 𝑎 → (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∣
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)}) = (𝑓 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)})) |
82 | | oveq2 6557 |
. . . . . . . . 9
⊢ (𝑓 = 𝑒 → (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) = (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)) |
83 | 82 | breq2d 4595 |
. . . . . . . 8
⊢ (𝑓 = 𝑒 →
((Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) ↔
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒))) |
84 | 83 | rabbidv 3164 |
. . . . . . 7
⊢ (𝑓 = 𝑒 → {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)}) |
85 | 84 | cbvmptv 4678 |
. . . . . 6
⊢ (𝑓 ∈ ℝ+
↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}) = (𝑒 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)}) |
86 | 81, 85 | syl6eq 2660 |
. . . . 5
⊢ (𝑑 = 𝑎 → (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∣
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)}) = (𝑒 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)})) |
87 | 86 | cbvmptv 4678 |
. . . 4
⊢ (𝑑 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑜 ∈ ℕ X𝑑 ∈ 𝑋 (([,) ∘ (𝑙‘𝑜))‘𝑑)})‘𝑑) ∣
(Σ^‘(𝑜 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑑 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑑)))‘(𝑚‘𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)})) = (𝑎 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ (𝑒 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ
↑𝑚 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ)
↑𝑚 𝑋) ↑𝑚 ℕ)
∣ 𝑏 ⊆ ∪ 𝑗 ∈ ℕ X𝑘 ∈ 𝑋 (([,) ∘ (𝑙‘𝑗))‘𝑘)})‘𝑎) ∣
(Σ^‘(𝑗 ∈ ℕ ↦ ((ℎ ∈ ((ℝ × ℝ)
↑𝑚 𝑋) ↦ ∏𝑘 ∈ 𝑋 (vol‘(([,) ∘ ℎ)‘𝑘)))‘(𝑖‘𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)})) |
88 | 33, 35, 36, 37, 38, 41, 42, 87 | ovnsubaddlem2 39461 |
. . 3
⊢ (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) →
((voln*‘𝑋)‘∪
𝑛 ∈ ℕ (𝐴‘𝑛)) ≤
((Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛)))) +𝑒 𝑦)) |
89 | 30, 32, 88 | xrlexaddrp 38509 |
. 2
⊢ ((𝜑 ∧ ¬ 𝑋 = ∅) → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) ≤
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))))) |
90 | 28, 89 | pm2.61dan 828 |
1
⊢ (𝜑 → ((voln*‘𝑋)‘∪ 𝑛 ∈ ℕ (𝐴‘𝑛)) ≤
(Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴‘𝑛))))) |