Users' Mathboxes Mathbox for Glauco Siliprandi < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  ovnsubadd Structured version   Visualization version   GIF version

Theorem ovnsubadd 46816
Description: (voln*‘𝑋) is subadditive. Proposition 115D (a)(iv) of [Fremlin1] p. 31 . (Contributed by Glauco Siliprandi, 11-Oct-2020.)
Hypotheses
Ref Expression
ovnsubadd.1 (𝜑𝑋 ∈ Fin)
ovnsubadd.2 (𝜑𝐴:ℕ⟶𝒫 (ℝ ↑m 𝑋))
Assertion
Ref Expression
ovnsubadd (𝜑 → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
Distinct variable groups:   𝐴,𝑛   𝑛,𝑋   𝜑,𝑛

Proof of Theorem ovnsubadd
Dummy variables 𝑎 𝑒 𝑖 𝑗 𝑘 𝑙 𝑦 𝑧 𝑏 𝑑 𝑓 𝑚 𝑜 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 fveq2 6834 . . . . . 6 (𝑋 = ∅ → (voln*‘𝑋) = (voln*‘∅))
21fveq1d 6836 . . . . 5 (𝑋 = ∅ → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) = ((voln*‘∅)‘ 𝑛 ∈ ℕ (𝐴𝑛)))
32adantl 481 . . . 4 ((𝜑𝑋 = ∅) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) = ((voln*‘∅)‘ 𝑛 ∈ ℕ (𝐴𝑛)))
4 ovnsubadd.2 . . . . . . . . . . . 12 (𝜑𝐴:ℕ⟶𝒫 (ℝ ↑m 𝑋))
54adantr 480 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → 𝐴:ℕ⟶𝒫 (ℝ ↑m 𝑋))
6 simpr 484 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → 𝑛 ∈ ℕ)
75, 6ffvelcdmd 7030 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ) → (𝐴𝑛) ∈ 𝒫 (ℝ ↑m 𝑋))
8 elpwi 4561 . . . . . . . . . 10 ((𝐴𝑛) ∈ 𝒫 (ℝ ↑m 𝑋) → (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
97, 8syl 17 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ) → (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
109ralrimiva 3128 . . . . . . . 8 (𝜑 → ∀𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
11 iunss 5000 . . . . . . . 8 ( 𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m 𝑋) ↔ ∀𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
1210, 11sylibr 234 . . . . . . 7 (𝜑 𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
1312adantr 480 . . . . . 6 ((𝜑𝑋 = ∅) → 𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m 𝑋))
14 oveq2 7366 . . . . . . 7 (𝑋 = ∅ → (ℝ ↑m 𝑋) = (ℝ ↑m ∅))
1514adantl 481 . . . . . 6 ((𝜑𝑋 = ∅) → (ℝ ↑m 𝑋) = (ℝ ↑m ∅))
1613, 15sseqtrd 3970 . . . . 5 ((𝜑𝑋 = ∅) → 𝑛 ∈ ℕ (𝐴𝑛) ⊆ (ℝ ↑m ∅))
1716ovn0val 46794 . . . 4 ((𝜑𝑋 = ∅) → ((voln*‘∅)‘ 𝑛 ∈ ℕ (𝐴𝑛)) = 0)
183, 17eqtrd 2771 . . 3 ((𝜑𝑋 = ∅) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) = 0)
19 nnex 12151 . . . . . 6 ℕ ∈ V
2019a1i 11 . . . . 5 (𝜑 → ℕ ∈ V)
21 ovnsubadd.1 . . . . . . . 8 (𝜑𝑋 ∈ Fin)
2221adantr 480 . . . . . . 7 ((𝜑𝑛 ∈ ℕ) → 𝑋 ∈ Fin)
2322, 9ovncl 46811 . . . . . 6 ((𝜑𝑛 ∈ ℕ) → ((voln*‘𝑋)‘(𝐴𝑛)) ∈ (0[,]+∞))
24 eqid 2736 . . . . . 6 (𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛))) = (𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))
2523, 24fmptd 7059 . . . . 5 (𝜑 → (𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛))):ℕ⟶(0[,]+∞))
2620, 25sge0ge0 46628 . . . 4 (𝜑 → 0 ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
2726adantr 480 . . 3 ((𝜑𝑋 = ∅) → 0 ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
2818, 27eqbrtrd 5120 . 2 ((𝜑𝑋 = ∅) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
2921, 12ovnxrcl 46813 . . . 4 (𝜑 → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ∈ ℝ*)
3029adantr 480 . . 3 ((𝜑 ∧ ¬ 𝑋 = ∅) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ∈ ℝ*)
3120, 25sge0xrcl 46629 . . . 4 (𝜑 → (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))) ∈ ℝ*)
3231adantr 480 . . 3 ((𝜑 ∧ ¬ 𝑋 = ∅) → (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))) ∈ ℝ*)
3321ad2antrr 726 . . . 4 (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑋 ∈ Fin)
34 neqne 2940 . . . . 5 𝑋 = ∅ → 𝑋 ≠ ∅)
3534ad2antlr 727 . . . 4 (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑋 ≠ ∅)
364ad2antrr 726 . . . 4 (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝐴:ℕ⟶𝒫 (ℝ ↑m 𝑋))
37 simpr 484 . . . 4 (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → 𝑦 ∈ ℝ+)
38 eqid 2736 . . . 4 (𝑎 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ)(𝑎 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))}) = (𝑎 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑧 ∈ ℝ* ∣ ∃𝑖 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ)(𝑎 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑖𝑗))‘𝑘) ∧ 𝑧 = (Σ^‘(𝑗 ∈ ℕ ↦ ∏𝑘𝑋 (vol‘(([,) ∘ (𝑖𝑗))‘𝑘)))))})
39 sseq1 3959 . . . . . 6 (𝑏 = 𝑎 → (𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘) ↔ 𝑎 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)))
4039rabbidv 3406 . . . . 5 (𝑏 = 𝑎 → {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)} = {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑎 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})
4140cbvmptv 5202 . . . 4 (𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)}) = (𝑎 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑎 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})
42 eqid 2736 . . . 4 ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘))) = ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))
43 fveq2 6834 . . . . . . . . . . . . . . . . . . . . 21 (𝑜 = 𝑗 → (𝑙𝑜) = (𝑙𝑗))
4443coeq2d 5811 . . . . . . . . . . . . . . . . . . . 20 (𝑜 = 𝑗 → ([,) ∘ (𝑙𝑜)) = ([,) ∘ (𝑙𝑗)))
4544fveq1d 6836 . . . . . . . . . . . . . . . . . . 19 (𝑜 = 𝑗 → (([,) ∘ (𝑙𝑜))‘𝑑) = (([,) ∘ (𝑙𝑗))‘𝑑))
4645ixpeq2dv 8851 . . . . . . . . . . . . . . . . . 18 (𝑜 = 𝑗X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑) = X𝑑𝑋 (([,) ∘ (𝑙𝑗))‘𝑑))
47 fveq2 6834 . . . . . . . . . . . . . . . . . . 19 (𝑑 = 𝑘 → (([,) ∘ (𝑙𝑗))‘𝑑) = (([,) ∘ (𝑙𝑗))‘𝑘))
4847cbvixpv 8853 . . . . . . . . . . . . . . . . . 18 X𝑑𝑋 (([,) ∘ (𝑙𝑗))‘𝑑) = X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)
4946, 48eqtrdi 2787 . . . . . . . . . . . . . . . . 17 (𝑜 = 𝑗X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑) = X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘))
5049cbviunv 4994 . . . . . . . . . . . . . . . 16 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑) = 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)
5150sseq2i 3963 . . . . . . . . . . . . . . 15 (𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑) ↔ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘))
5251rabbii 3404 . . . . . . . . . . . . . 14 {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)} = {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)}
5352mpteq2i 5194 . . . . . . . . . . . . 13 (𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)}) = (𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})
5453fveq1i 6835 . . . . . . . . . . . 12 ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑑)
55 fveq2 6834 . . . . . . . . . . . 12 (𝑑 = 𝑎 → ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎))
5654, 55eqtrid 2783 . . . . . . . . . . 11 (𝑑 = 𝑎 → ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) = ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎))
5756eleq2d 2822 . . . . . . . . . 10 (𝑑 = 𝑎 → (𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ↔ 𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎)))
58 2fveq3 6839 . . . . . . . . . . . . . . . . . 18 (𝑑 = 𝑘 → (vol‘(([,) ∘ )‘𝑑)) = (vol‘(([,) ∘ )‘𝑘)))
5958cbvprodv 15837 . . . . . . . . . . . . . . . . 17 𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)) = ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘))
6059mpteq2i 5194 . . . . . . . . . . . . . . . 16 ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑))) = ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))
6160a1i 11 . . . . . . . . . . . . . . 15 (𝑜 = 𝑗 → ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑))) = ( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘))))
62 fveq2 6834 . . . . . . . . . . . . . . 15 (𝑜 = 𝑗 → (𝑚𝑜) = (𝑚𝑗))
6361, 62fveq12d 6841 . . . . . . . . . . . . . 14 (𝑜 = 𝑗 → (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)) = (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))
6463cbvmptv 5202 . . . . . . . . . . . . 13 (𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜))) = (𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))
6564fveq2i 6837 . . . . . . . . . . . 12 ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) = (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗))))
6665a1i 11 . . . . . . . . . . 11 (𝑑 = 𝑎 → (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) = (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))))
67 fveq2 6834 . . . . . . . . . . . 12 (𝑑 = 𝑎 → ((voln*‘𝑋)‘𝑑) = ((voln*‘𝑋)‘𝑎))
6867oveq1d 7373 . . . . . . . . . . 11 (𝑑 = 𝑎 → (((voln*‘𝑋)‘𝑑) +𝑒 𝑓) = (((voln*‘𝑋)‘𝑎) +𝑒 𝑓))
6966, 68breq12d 5111 . . . . . . . . . 10 (𝑑 = 𝑎 → ((Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓) ↔ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)))
7057, 69anbi12d 632 . . . . . . . . 9 (𝑑 = 𝑎 → ((𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∧ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)) ↔ (𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∧ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓))))
7170rabbidva2 3401 . . . . . . . 8 (𝑑 = 𝑎 → {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∣ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)} = {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)})
72 fveq1 6833 . . . . . . . . . . . . 13 (𝑚 = 𝑖 → (𝑚𝑗) = (𝑖𝑗))
7372fveq2d 6838 . . . . . . . . . . . 12 (𝑚 = 𝑖 → (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)) = (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))
7473mpteq2dv 5192 . . . . . . . . . . 11 (𝑚 = 𝑖 → (𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗))) = (𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗))))
7574fveq2d 6838 . . . . . . . . . 10 (𝑚 = 𝑖 → (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) = (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))))
7675breq1d 5108 . . . . . . . . 9 (𝑚 = 𝑖 → ((Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) ↔ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)))
7776cbvrabv 3409 . . . . . . . 8 {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑚𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}
7871, 77eqtrdi 2787 . . . . . . 7 (𝑑 = 𝑎 → {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∣ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)})
7978mpteq2dv 5192 . . . . . 6 (𝑑 = 𝑎 → (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∣ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)}) = (𝑓 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}))
80 oveq2 7366 . . . . . . . . 9 (𝑓 = 𝑒 → (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) = (((voln*‘𝑋)‘𝑎) +𝑒 𝑒))
8180breq2d 5110 . . . . . . . 8 (𝑓 = 𝑒 → ((Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓) ↔ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)))
8281rabbidv 3406 . . . . . . 7 (𝑓 = 𝑒 → {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)} = {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)})
8382cbvmptv 5202 . . . . . 6 (𝑓 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑓)}) = (𝑒 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)})
8479, 83eqtrdi 2787 . . . . 5 (𝑑 = 𝑎 → (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∣ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((voln*‘𝑋)‘𝑑) +𝑒 𝑓)}) = (𝑒 ∈ ℝ+ ↦ {𝑖 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑗 ∈ ℕ X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)}))
8584cbvmptv 5202 . . . 4 (𝑑 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ (𝑓 ∈ ℝ+ ↦ {𝑚 ∈ ((𝑏 ∈ 𝒫 (ℝ ↑m 𝑋) ↦ {𝑙 ∈ (((ℝ × ℝ) ↑m 𝑋) ↑m ℕ) ∣ 𝑏 𝑜 ∈ ℕ X𝑑𝑋 (([,) ∘ (𝑙𝑜))‘𝑑)})‘𝑑) ∣ (Σ^‘(𝑜 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑑𝑋 (vol‘(([,) ∘ )‘𝑑)))‘(𝑚𝑜)))) ≤ (((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 X𝑘𝑋 (([,) ∘ (𝑙𝑗))‘𝑘)})‘𝑎) ∣ (Σ^‘(𝑗 ∈ ℕ ↦ (( ∈ ((ℝ × ℝ) ↑m 𝑋) ↦ ∏𝑘𝑋 (vol‘(([,) ∘ )‘𝑘)))‘(𝑖𝑗)))) ≤ (((voln*‘𝑋)‘𝑎) +𝑒 𝑒)}))
8633, 35, 36, 37, 38, 41, 42, 85ovnsubaddlem2 46815 . . 3 (((𝜑 ∧ ¬ 𝑋 = ∅) ∧ 𝑦 ∈ ℝ+) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ≤ ((Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))) +𝑒 𝑦))
8730, 32, 86xrlexaddrp 45597 . 2 ((𝜑 ∧ ¬ 𝑋 = ∅) → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
8828, 87pm2.61dan 812 1 (𝜑 → ((voln*‘𝑋)‘ 𝑛 ∈ ℕ (𝐴𝑛)) ≤ (Σ^‘(𝑛 ∈ ℕ ↦ ((voln*‘𝑋)‘(𝐴𝑛)))))
Colors of variables: wff setvar class
Syntax hints:  ¬ wn 3  wi 4  wa 395   = wceq 1541  wcel 2113  wne 2932  wral 3051  wrex 3060  {crab 3399  Vcvv 3440  wss 3901  c0 4285  𝒫 cpw 4554   ciun 4946   class class class wbr 5098  cmpt 5179   × cxp 5622  ccom 5628  wf 6488  cfv 6492  (class class class)co 7358  m cmap 8763  Xcixp 8835  Fincfn 8883  cr 11025  0cc0 11026  +∞cpnf 11163  *cxr 11165  cle 11167  cn 12145  +crp 12905   +𝑒 cxad 13024  [,)cico 13263  [,]cicc 13264  cprod 15826  volcvol 25420  Σ^csumge0 46606  voln*covoln 46780
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2115  ax-9 2123  ax-10 2146  ax-11 2162  ax-12 2184  ax-ext 2708  ax-rep 5224  ax-sep 5241  ax-nul 5251  ax-pow 5310  ax-pr 5377  ax-un 7680  ax-inf2 9550  ax-cc 10345  ax-ac2 10373  ax-cnex 11082  ax-resscn 11083  ax-1cn 11084  ax-icn 11085  ax-addcl 11086  ax-addrcl 11087  ax-mulcl 11088  ax-mulrcl 11089  ax-mulcom 11090  ax-addass 11091  ax-mulass 11092  ax-distr 11093  ax-i2m1 11094  ax-1ne0 11095  ax-1rid 11096  ax-rnegex 11097  ax-rrecex 11098  ax-cnre 11099  ax-pre-lttri 11100  ax-pre-lttrn 11101  ax-pre-ltadd 11102  ax-pre-mulgt0 11103  ax-pre-sup 11104
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3or 1087  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2068  df-mo 2539  df-eu 2569  df-clab 2715  df-cleq 2728  df-clel 2811  df-nfc 2885  df-ne 2933  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3350  df-reu 3351  df-rab 3400  df-v 3442  df-sbc 3741  df-csb 3850  df-dif 3904  df-un 3906  df-in 3908  df-ss 3918  df-pss 3921  df-nul 4286  df-if 4480  df-pw 4556  df-sn 4581  df-pr 4583  df-op 4587  df-uni 4864  df-int 4903  df-iun 4948  df-disj 5066  df-br 5099  df-opab 5161  df-mpt 5180  df-tr 5206  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-se 5578  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-isom 6501  df-riota 7315  df-ov 7361  df-oprab 7362  df-mpo 7363  df-of 7622  df-om 7809  df-1st 7933  df-2nd 7934  df-frecs 8223  df-wrecs 8254  df-recs 8303  df-rdg 8341  df-1o 8397  df-2o 8398  df-er 8635  df-map 8765  df-pm 8766  df-ixp 8836  df-en 8884  df-dom 8885  df-sdom 8886  df-fin 8887  df-fi 9314  df-sup 9345  df-inf 9346  df-oi 9415  df-dju 9813  df-card 9851  df-acn 9854  df-ac 10026  df-pnf 11168  df-mnf 11169  df-xr 11170  df-ltxr 11171  df-le 11172  df-sub 11366  df-neg 11367  df-div 11795  df-nn 12146  df-2 12208  df-3 12209  df-n0 12402  df-z 12489  df-uz 12752  df-q 12862  df-rp 12906  df-xneg 13026  df-xadd 13027  df-xmul 13028  df-ioo 13265  df-ico 13267  df-icc 13268  df-fz 13424  df-fzo 13571  df-fl 13712  df-seq 13925  df-exp 13985  df-hash 14254  df-cj 15022  df-re 15023  df-im 15024  df-sqrt 15158  df-abs 15159  df-clim 15411  df-rlim 15412  df-sum 15610  df-prod 15827  df-rest 17342  df-topgen 17363  df-psmet 21301  df-xmet 21302  df-met 21303  df-bl 21304  df-mopn 21305  df-top 22838  df-topon 22855  df-bases 22890  df-cmp 23331  df-ovol 25421  df-vol 25422  df-sumge0 46607  df-ovoln 46781
This theorem is referenced by:  ovnome  46817  ovnsubadd2lem  46889
  Copyright terms: Public domain W3C validator