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Theorem ovoliunlem2 24096
Description: Lemma for ovoliun 24098. (Contributed by Mario Carneiro, 12-Jun-2014.)
Hypotheses
Ref Expression
ovoliun.t 𝑇 = seq1( + , 𝐺)
ovoliun.g 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
ovoliun.a ((𝜑𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
ovoliun.v ((𝜑𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
ovoliun.r (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ)
ovoliun.b (𝜑𝐵 ∈ ℝ+)
ovoliun.s 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛)))
ovoliun.u 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
ovoliun.h 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))))
ovoliun.j (𝜑𝐽:ℕ–1-1-onto→(ℕ × ℕ))
ovoliun.f (𝜑𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
ovoliun.x1 ((𝜑𝑛 ∈ ℕ) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
ovoliun.x2 ((𝜑𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
Assertion
Ref Expression
ovoliunlem2 (𝜑 → (vol*‘ 𝑛 ∈ ℕ 𝐴) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
Distinct variable groups:   𝐴,𝑘   𝑘,𝑛,𝐵   𝑘,𝐹,𝑛   𝑘,𝐽,𝑛   𝑛,𝐻   𝜑,𝑘,𝑛   𝑆,𝑘   𝑘,𝐺   𝑇,𝑘   𝑛,𝐺   𝑇,𝑛
Allowed substitution hints:   𝐴(𝑛)   𝑆(𝑛)   𝑈(𝑘,𝑛)   𝐻(𝑘)

Proof of Theorem ovoliunlem2
Dummy variables 𝑗 𝑚 𝑥 𝑧 𝑤 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 ovoliun.a . . . . 5 ((𝜑𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
21ralrimiva 3180 . . . 4 (𝜑 → ∀𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
3 iunss 4960 . . . 4 ( 𝑛 ∈ ℕ 𝐴 ⊆ ℝ ↔ ∀𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
42, 3sylibr 236 . . 3 (𝜑 𝑛 ∈ ℕ 𝐴 ⊆ ℝ)
5 ovolcl 24071 . . 3 ( 𝑛 ∈ ℕ 𝐴 ⊆ ℝ → (vol*‘ 𝑛 ∈ ℕ 𝐴) ∈ ℝ*)
64, 5syl 17 . 2 (𝜑 → (vol*‘ 𝑛 ∈ ℕ 𝐴) ∈ ℝ*)
7 ovoliun.f . . . . . . . . . 10 (𝜑𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
87adantr 483 . . . . . . . . 9 ((𝜑𝑘 ∈ ℕ) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
9 ovoliun.j . . . . . . . . . . . 12 (𝜑𝐽:ℕ–1-1-onto→(ℕ × ℕ))
10 f1of 6608 . . . . . . . . . . . 12 (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → 𝐽:ℕ⟶(ℕ × ℕ))
119, 10syl 17 . . . . . . . . . . 11 (𝜑𝐽:ℕ⟶(ℕ × ℕ))
1211ffvelrnda 6844 . . . . . . . . . 10 ((𝜑𝑘 ∈ ℕ) → (𝐽𝑘) ∈ (ℕ × ℕ))
13 xp1st 7713 . . . . . . . . . 10 ((𝐽𝑘) ∈ (ℕ × ℕ) → (1st ‘(𝐽𝑘)) ∈ ℕ)
1412, 13syl 17 . . . . . . . . 9 ((𝜑𝑘 ∈ ℕ) → (1st ‘(𝐽𝑘)) ∈ ℕ)
158, 14ffvelrnd 6845 . . . . . . . 8 ((𝜑𝑘 ∈ ℕ) → (𝐹‘(1st ‘(𝐽𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
16 elovolmlem 24067 . . . . . . . 8 ((𝐹‘(1st ‘(𝐽𝑘))) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑m ℕ) ↔ (𝐹‘(1st ‘(𝐽𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
1715, 16sylib 220 . . . . . . 7 ((𝜑𝑘 ∈ ℕ) → (𝐹‘(1st ‘(𝐽𝑘))):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
18 xp2nd 7714 . . . . . . . 8 ((𝐽𝑘) ∈ (ℕ × ℕ) → (2nd ‘(𝐽𝑘)) ∈ ℕ)
1912, 18syl 17 . . . . . . 7 ((𝜑𝑘 ∈ ℕ) → (2nd ‘(𝐽𝑘)) ∈ ℕ)
2017, 19ffvelrnd 6845 . . . . . 6 ((𝜑𝑘 ∈ ℕ) → ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))) ∈ ( ≤ ∩ (ℝ × ℝ)))
21 ovoliun.h . . . . . 6 𝐻 = (𝑘 ∈ ℕ ↦ ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))))
2220, 21fmptd 6871 . . . . 5 (𝜑𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)))
23 eqid 2819 . . . . . 6 ((abs ∘ − ) ∘ 𝐻) = ((abs ∘ − ) ∘ 𝐻)
24 ovoliun.u . . . . . 6 𝑈 = seq1( + , ((abs ∘ − ) ∘ 𝐻))
2523, 24ovolsf 24065 . . . . 5 (𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) → 𝑈:ℕ⟶(0[,)+∞))
26 frn 6513 . . . . 5 (𝑈:ℕ⟶(0[,)+∞) → ran 𝑈 ⊆ (0[,)+∞))
2722, 25, 263syl 18 . . . 4 (𝜑 → ran 𝑈 ⊆ (0[,)+∞))
28 icossxr 12813 . . . 4 (0[,)+∞) ⊆ ℝ*
2927, 28sstrdi 3977 . . 3 (𝜑 → ran 𝑈 ⊆ ℝ*)
30 supxrcl 12700 . . 3 (ran 𝑈 ⊆ ℝ* → sup(ran 𝑈, ℝ*, < ) ∈ ℝ*)
3129, 30syl 17 . 2 (𝜑 → sup(ran 𝑈, ℝ*, < ) ∈ ℝ*)
32 ovoliun.r . . . 4 (𝜑 → sup(ran 𝑇, ℝ*, < ) ∈ ℝ)
33 ovoliun.b . . . . 5 (𝜑𝐵 ∈ ℝ+)
3433rpred 12423 . . . 4 (𝜑𝐵 ∈ ℝ)
3532, 34readdcld 10662 . . 3 (𝜑 → (sup(ran 𝑇, ℝ*, < ) + 𝐵) ∈ ℝ)
3635rexrd 10683 . 2 (𝜑 → (sup(ran 𝑇, ℝ*, < ) + 𝐵) ∈ ℝ*)
37 eliun 4914 . . . . . 6 (𝑧 𝑛 ∈ ℕ 𝐴 ↔ ∃𝑛 ∈ ℕ 𝑧𝐴)
38 ovoliun.x1 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
39383adant3 1127 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
4013adant3 1127 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → 𝐴 ⊆ ℝ)
417ffvelrnda 6844 . . . . . . . . . . . . 13 ((𝜑𝑛 ∈ ℕ) → (𝐹𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
42 elovolmlem 24067 . . . . . . . . . . . . 13 ((𝐹𝑛) ∈ (( ≤ ∩ (ℝ × ℝ)) ↑m ℕ) ↔ (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
4341, 42sylib 220 . . . . . . . . . . . 12 ((𝜑𝑛 ∈ ℕ) → (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
44433adant3 1127 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ)))
45 ovolfioo 24060 . . . . . . . . . . 11 ((𝐴 ⊆ ℝ ∧ (𝐹𝑛):ℕ⟶( ≤ ∩ (ℝ × ℝ))) → (𝐴 ran ((,) ∘ (𝐹𝑛)) ↔ ∀𝑧𝐴𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗)))))
4640, 44, 45syl2anc 586 . . . . . . . . . 10 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → (𝐴 ran ((,) ∘ (𝐹𝑛)) ↔ ∀𝑧𝐴𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗)))))
4739, 46mpbid 234 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → ∀𝑧𝐴𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))))
48 simp3 1133 . . . . . . . . 9 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → 𝑧𝐴)
49 rsp 3203 . . . . . . . . 9 (∀𝑧𝐴𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))) → (𝑧𝐴 → ∃𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗)))))
5047, 48, 49sylc 65 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → ∃𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))))
51 simpl1 1186 . . . . . . . . . . . 12 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → 𝜑)
52 f1ocnv 6620 . . . . . . . . . . . 12 (𝐽:ℕ–1-1-onto→(ℕ × ℕ) → 𝐽:(ℕ × ℕ)–1-1-onto→ℕ)
53 f1of 6608 . . . . . . . . . . . 12 (𝐽:(ℕ × ℕ)–1-1-onto→ℕ → 𝐽:(ℕ × ℕ)⟶ℕ)
5451, 9, 52, 534syl 19 . . . . . . . . . . 11 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → 𝐽:(ℕ × ℕ)⟶ℕ)
55 simpl2 1187 . . . . . . . . . . 11 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → 𝑛 ∈ ℕ)
56 simpr 487 . . . . . . . . . . 11 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → 𝑗 ∈ ℕ)
5754, 55, 56fovrnd 7312 . . . . . . . . . 10 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝑛𝐽𝑗) ∈ ℕ)
58 2fveq3 6668 . . . . . . . . . . . . . . . . . . 19 (𝑘 = (𝑛𝐽𝑗) → (1st ‘(𝐽𝑘)) = (1st ‘(𝐽‘(𝑛𝐽𝑗))))
5958fveq2d 6667 . . . . . . . . . . . . . . . . . 18 (𝑘 = (𝑛𝐽𝑗) → (𝐹‘(1st ‘(𝐽𝑘))) = (𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗)))))
60 2fveq3 6668 . . . . . . . . . . . . . . . . . 18 (𝑘 = (𝑛𝐽𝑗) → (2nd ‘(𝐽𝑘)) = (2nd ‘(𝐽‘(𝑛𝐽𝑗))))
6159, 60fveq12d 6670 . . . . . . . . . . . . . . . . 17 (𝑘 = (𝑛𝐽𝑗) → ((𝐹‘(1st ‘(𝐽𝑘)))‘(2nd ‘(𝐽𝑘))) = ((𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗))))‘(2nd ‘(𝐽‘(𝑛𝐽𝑗)))))
62 fvex 6676 . . . . . . . . . . . . . . . . 17 ((𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗))))‘(2nd ‘(𝐽‘(𝑛𝐽𝑗)))) ∈ V
6361, 21, 62fvmpt 6761 . . . . . . . . . . . . . . . 16 ((𝑛𝐽𝑗) ∈ ℕ → (𝐻‘(𝑛𝐽𝑗)) = ((𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗))))‘(2nd ‘(𝐽‘(𝑛𝐽𝑗)))))
6457, 63syl 17 . . . . . . . . . . . . . . 15 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝐻‘(𝑛𝐽𝑗)) = ((𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗))))‘(2nd ‘(𝐽‘(𝑛𝐽𝑗)))))
65 df-ov 7151 . . . . . . . . . . . . . . . . . . . . 21 (𝑛𝐽𝑗) = (𝐽‘⟨𝑛, 𝑗⟩)
6665fveq2i 6666 . . . . . . . . . . . . . . . . . . . 20 (𝐽‘(𝑛𝐽𝑗)) = (𝐽‘(𝐽‘⟨𝑛, 𝑗⟩))
6751, 9syl 17 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
6855, 56opelxpd 5586 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → ⟨𝑛, 𝑗⟩ ∈ (ℕ × ℕ))
69 f1ocnvfv2 7026 . . . . . . . . . . . . . . . . . . . . 21 ((𝐽:ℕ–1-1-onto→(ℕ × ℕ) ∧ ⟨𝑛, 𝑗⟩ ∈ (ℕ × ℕ)) → (𝐽‘(𝐽‘⟨𝑛, 𝑗⟩)) = ⟨𝑛, 𝑗⟩)
7067, 68, 69syl2anc 586 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝐽‘(𝐽‘⟨𝑛, 𝑗⟩)) = ⟨𝑛, 𝑗⟩)
7166, 70syl5eq 2866 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝐽‘(𝑛𝐽𝑗)) = ⟨𝑛, 𝑗⟩)
7271fveq2d 6667 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (1st ‘(𝐽‘(𝑛𝐽𝑗))) = (1st ‘⟨𝑛, 𝑗⟩))
73 vex 3496 . . . . . . . . . . . . . . . . . . 19 𝑛 ∈ V
74 vex 3496 . . . . . . . . . . . . . . . . . . 19 𝑗 ∈ V
7573, 74op1st 7689 . . . . . . . . . . . . . . . . . 18 (1st ‘⟨𝑛, 𝑗⟩) = 𝑛
7672, 75syl6eq 2870 . . . . . . . . . . . . . . . . 17 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (1st ‘(𝐽‘(𝑛𝐽𝑗))) = 𝑛)
7776fveq2d 6667 . . . . . . . . . . . . . . . 16 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗)))) = (𝐹𝑛))
7871fveq2d 6667 . . . . . . . . . . . . . . . . 17 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (2nd ‘(𝐽‘(𝑛𝐽𝑗))) = (2nd ‘⟨𝑛, 𝑗⟩))
7973, 74op2nd 7690 . . . . . . . . . . . . . . . . 17 (2nd ‘⟨𝑛, 𝑗⟩) = 𝑗
8078, 79syl6eq 2870 . . . . . . . . . . . . . . . 16 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (2nd ‘(𝐽‘(𝑛𝐽𝑗))) = 𝑗)
8177, 80fveq12d 6670 . . . . . . . . . . . . . . 15 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → ((𝐹‘(1st ‘(𝐽‘(𝑛𝐽𝑗))))‘(2nd ‘(𝐽‘(𝑛𝐽𝑗)))) = ((𝐹𝑛)‘𝑗))
8264, 81eqtrd 2854 . . . . . . . . . . . . . 14 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝐻‘(𝑛𝐽𝑗)) = ((𝐹𝑛)‘𝑗))
8382fveq2d 6667 . . . . . . . . . . . . 13 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (1st ‘(𝐻‘(𝑛𝐽𝑗))) = (1st ‘((𝐹𝑛)‘𝑗)))
8483breq1d 5067 . . . . . . . . . . . 12 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → ((1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧 ↔ (1st ‘((𝐹𝑛)‘𝑗)) < 𝑧))
8582fveq2d 6667 . . . . . . . . . . . . 13 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (2nd ‘(𝐻‘(𝑛𝐽𝑗))) = (2nd ‘((𝐹𝑛)‘𝑗)))
8685breq2d 5069 . . . . . . . . . . . 12 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗))) ↔ 𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))))
8784, 86anbi12d 632 . . . . . . . . . . 11 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (((1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗)))) ↔ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗)))))
8887biimprd 250 . . . . . . . . . 10 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))) → ((1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗))))))
89 2fveq3 6668 . . . . . . . . . . . . 13 (𝑚 = (𝑛𝐽𝑗) → (1st ‘(𝐻𝑚)) = (1st ‘(𝐻‘(𝑛𝐽𝑗))))
9089breq1d 5067 . . . . . . . . . . . 12 (𝑚 = (𝑛𝐽𝑗) → ((1st ‘(𝐻𝑚)) < 𝑧 ↔ (1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧))
91 2fveq3 6668 . . . . . . . . . . . . 13 (𝑚 = (𝑛𝐽𝑗) → (2nd ‘(𝐻𝑚)) = (2nd ‘(𝐻‘(𝑛𝐽𝑗))))
9291breq2d 5069 . . . . . . . . . . . 12 (𝑚 = (𝑛𝐽𝑗) → (𝑧 < (2nd ‘(𝐻𝑚)) ↔ 𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗)))))
9390, 92anbi12d 632 . . . . . . . . . . 11 (𝑚 = (𝑛𝐽𝑗) → (((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚))) ↔ ((1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗))))))
9493rspcev 3621 . . . . . . . . . 10 (((𝑛𝐽𝑗) ∈ ℕ ∧ ((1st ‘(𝐻‘(𝑛𝐽𝑗))) < 𝑧𝑧 < (2nd ‘(𝐻‘(𝑛𝐽𝑗))))) → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚))))
9557, 88, 94syl6an 682 . . . . . . . . 9 (((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) ∧ 𝑗 ∈ ℕ) → (((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))) → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
9695rexlimdva 3282 . . . . . . . 8 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → (∃𝑗 ∈ ℕ ((1st ‘((𝐹𝑛)‘𝑗)) < 𝑧𝑧 < (2nd ‘((𝐹𝑛)‘𝑗))) → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
9750, 96mpd 15 . . . . . . 7 ((𝜑𝑛 ∈ ℕ ∧ 𝑧𝐴) → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚))))
9897rexlimdv3a 3284 . . . . . 6 (𝜑 → (∃𝑛 ∈ ℕ 𝑧𝐴 → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
9937, 98syl5bi 244 . . . . 5 (𝜑 → (𝑧 𝑛 ∈ ℕ 𝐴 → ∃𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
10099ralrimiv 3179 . . . 4 (𝜑 → ∀𝑧 𝑛 ∈ ℕ 𝐴𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚))))
101 ovolfioo 24060 . . . . 5 (( 𝑛 ∈ ℕ 𝐴 ⊆ ℝ ∧ 𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ))) → ( 𝑛 ∈ ℕ 𝐴 ran ((,) ∘ 𝐻) ↔ ∀𝑧 𝑛 ∈ ℕ 𝐴𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
1024, 22, 101syl2anc 586 . . . 4 (𝜑 → ( 𝑛 ∈ ℕ 𝐴 ran ((,) ∘ 𝐻) ↔ ∀𝑧 𝑛 ∈ ℕ 𝐴𝑚 ∈ ℕ ((1st ‘(𝐻𝑚)) < 𝑧𝑧 < (2nd ‘(𝐻𝑚)))))
103100, 102mpbird 259 . . 3 (𝜑 𝑛 ∈ ℕ 𝐴 ran ((,) ∘ 𝐻))
10424ovollb 24072 . . 3 ((𝐻:ℕ⟶( ≤ ∩ (ℝ × ℝ)) ∧ 𝑛 ∈ ℕ 𝐴 ran ((,) ∘ 𝐻)) → (vol*‘ 𝑛 ∈ ℕ 𝐴) ≤ sup(ran 𝑈, ℝ*, < ))
10522, 103, 104syl2anc 586 . 2 (𝜑 → (vol*‘ 𝑛 ∈ ℕ 𝐴) ≤ sup(ran 𝑈, ℝ*, < ))
106 fzfi 13332 . . . . . . 7 (1...𝑗) ∈ Fin
107 elfznn 12928 . . . . . . . . . 10 (𝑤 ∈ (1...𝑗) → 𝑤 ∈ ℕ)
108 ffvelrn 6842 . . . . . . . . . . 11 ((𝐽:ℕ⟶(ℕ × ℕ) ∧ 𝑤 ∈ ℕ) → (𝐽𝑤) ∈ (ℕ × ℕ))
109 xp1st 7713 . . . . . . . . . . 11 ((𝐽𝑤) ∈ (ℕ × ℕ) → (1st ‘(𝐽𝑤)) ∈ ℕ)
110 nnre 11637 . . . . . . . . . . 11 ((1st ‘(𝐽𝑤)) ∈ ℕ → (1st ‘(𝐽𝑤)) ∈ ℝ)
111108, 109, 1103syl 18 . . . . . . . . . 10 ((𝐽:ℕ⟶(ℕ × ℕ) ∧ 𝑤 ∈ ℕ) → (1st ‘(𝐽𝑤)) ∈ ℝ)
11211, 107, 111syl2an 597 . . . . . . . . 9 ((𝜑𝑤 ∈ (1...𝑗)) → (1st ‘(𝐽𝑤)) ∈ ℝ)
113112ralrimiva 3180 . . . . . . . 8 (𝜑 → ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ∈ ℝ)
114113adantr 483 . . . . . . 7 ((𝜑𝑗 ∈ ℕ) → ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ∈ ℝ)
115 fimaxre3 11579 . . . . . . 7 (((1...𝑗) ∈ Fin ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ∈ ℝ) → ∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥)
116106, 114, 115sylancr 589 . . . . . 6 ((𝜑𝑗 ∈ ℕ) → ∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥)
117 fllep1 13163 . . . . . . . . . . . 12 (𝑥 ∈ ℝ → 𝑥 ≤ ((⌊‘𝑥) + 1))
118117ad2antlr 725 . . . . . . . . . . 11 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → 𝑥 ≤ ((⌊‘𝑥) + 1))
119112adantlr 713 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → (1st ‘(𝐽𝑤)) ∈ ℝ)
120 simplr 767 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → 𝑥 ∈ ℝ)
121 flcl 13157 . . . . . . . . . . . . . . 15 (𝑥 ∈ ℝ → (⌊‘𝑥) ∈ ℤ)
122121peano2zd 12082 . . . . . . . . . . . . . 14 (𝑥 ∈ ℝ → ((⌊‘𝑥) + 1) ∈ ℤ)
123122zred 12079 . . . . . . . . . . . . 13 (𝑥 ∈ ℝ → ((⌊‘𝑥) + 1) ∈ ℝ)
124123ad2antlr 725 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → ((⌊‘𝑥) + 1) ∈ ℝ)
125 letr 10726 . . . . . . . . . . . 12 (((1st ‘(𝐽𝑤)) ∈ ℝ ∧ 𝑥 ∈ ℝ ∧ ((⌊‘𝑥) + 1) ∈ ℝ) → (((1st ‘(𝐽𝑤)) ≤ 𝑥𝑥 ≤ ((⌊‘𝑥) + 1)) → (1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1)))
126119, 120, 124, 125syl3anc 1366 . . . . . . . . . . 11 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → (((1st ‘(𝐽𝑤)) ≤ 𝑥𝑥 ≤ ((⌊‘𝑥) + 1)) → (1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1)))
127118, 126mpan2d 692 . . . . . . . . . 10 (((𝜑𝑥 ∈ ℝ) ∧ 𝑤 ∈ (1...𝑗)) → ((1st ‘(𝐽𝑤)) ≤ 𝑥 → (1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1)))
128127ralimdva 3175 . . . . . . . . 9 ((𝜑𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥 → ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1)))
129128adantlr 713 . . . . . . . 8 (((𝜑𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥 → ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1)))
130 ovoliun.t . . . . . . . . . 10 𝑇 = seq1( + , 𝐺)
131 ovoliun.g . . . . . . . . . 10 𝐺 = (𝑛 ∈ ℕ ↦ (vol*‘𝐴))
132 simpll 765 . . . . . . . . . . 11 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝜑)
133132, 1sylan 582 . . . . . . . . . 10 ((((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → 𝐴 ⊆ ℝ)
134 ovoliun.v . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
135132, 134sylan 582 . . . . . . . . . 10 ((((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → (vol*‘𝐴) ∈ ℝ)
136132, 32syl 17 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → sup(ran 𝑇, ℝ*, < ) ∈ ℝ)
137132, 33syl 17 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐵 ∈ ℝ+)
138 ovoliun.s . . . . . . . . . 10 𝑆 = seq1( + , ((abs ∘ − ) ∘ (𝐹𝑛)))
139132, 9syl 17 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐽:ℕ–1-1-onto→(ℕ × ℕ))
140132, 7syl 17 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝐹:ℕ⟶(( ≤ ∩ (ℝ × ℝ)) ↑m ℕ))
141132, 38sylan 582 . . . . . . . . . 10 ((((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → 𝐴 ran ((,) ∘ (𝐹𝑛)))
142 ovoliun.x2 . . . . . . . . . . 11 ((𝜑𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
143132, 142sylan 582 . . . . . . . . . 10 ((((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) ∧ 𝑛 ∈ ℕ) → sup(ran 𝑆, ℝ*, < ) ≤ ((vol*‘𝐴) + (𝐵 / (2↑𝑛))))
144 simplr 767 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → 𝑗 ∈ ℕ)
145122ad2antrl 726 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → ((⌊‘𝑥) + 1) ∈ ℤ)
146 simprr 771 . . . . . . . . . 10 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))
147130, 131, 133, 135, 136, 137, 138, 24, 21, 139, 140, 141, 143, 144, 145, 146ovoliunlem1 24095 . . . . . . . . 9 (((𝜑𝑗 ∈ ℕ) ∧ (𝑥 ∈ ℝ ∧ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1))) → (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
148147expr 459 . . . . . . . 8 (((𝜑𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ ((⌊‘𝑥) + 1) → (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
149129, 148syld 47 . . . . . . 7 (((𝜑𝑗 ∈ ℕ) ∧ 𝑥 ∈ ℝ) → (∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥 → (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
150149rexlimdva 3282 . . . . . 6 ((𝜑𝑗 ∈ ℕ) → (∃𝑥 ∈ ℝ ∀𝑤 ∈ (1...𝑗)(1st ‘(𝐽𝑤)) ≤ 𝑥 → (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
151116, 150mpd 15 . . . . 5 ((𝜑𝑗 ∈ ℕ) → (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
152151ralrimiva 3180 . . . 4 (𝜑 → ∀𝑗 ∈ ℕ (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
153 ffn 6507 . . . . 5 (𝑈:ℕ⟶(0[,)+∞) → 𝑈 Fn ℕ)
154 breq1 5060 . . . . . 6 (𝑧 = (𝑈𝑗) → (𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ↔ (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
155154ralrn 6847 . . . . 5 (𝑈 Fn ℕ → (∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ↔ ∀𝑗 ∈ ℕ (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
15622, 25, 153, 1554syl 19 . . . 4 (𝜑 → (∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ↔ ∀𝑗 ∈ ℕ (𝑈𝑗) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
157152, 156mpbird 259 . . 3 (𝜑 → ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
158 supxrleub 12711 . . . 4 ((ran 𝑈 ⊆ ℝ* ∧ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ∈ ℝ*) → (sup(ran 𝑈, ℝ*, < ) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ↔ ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
15929, 36, 158syl2anc 586 . . 3 (𝜑 → (sup(ran 𝑈, ℝ*, < ) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵) ↔ ∀𝑧 ∈ ran 𝑈 𝑧 ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵)))
160157, 159mpbird 259 . 2 (𝜑 → sup(ran 𝑈, ℝ*, < ) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
1616, 31, 36, 105, 160xrletrd 12547 1 (𝜑 → (vol*‘ 𝑛 ∈ ℕ 𝐴) ≤ (sup(ran 𝑇, ℝ*, < ) + 𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 208  wa 398  w3a 1082   = wceq 1531  wcel 2108  wral 3136  wrex 3137  cin 3933  wss 3934  cop 4565   cuni 4830   ciun 4910   class class class wbr 5057  cmpt 5137   × cxp 5546  ccnv 5547  ran crn 5549  ccom 5552   Fn wfn 6343  wf 6344  1-1-ontowf1o 6347  cfv 6348  (class class class)co 7148  1st c1st 7679  2nd c2nd 7680  m cmap 8398  Fincfn 8501  supcsup 8896  cr 10528  0cc0 10529  1c1 10530   + caddc 10532  +∞cpnf 10664  *cxr 10666   < clt 10667  cle 10668  cmin 10862   / cdiv 11289  cn 11630  2c2 11684  cz 11973  +crp 12381  (,)cioo 12730  [,)cico 12732  ...cfz 12884  cfl 13152  seqcseq 13361  cexp 13421  abscabs 14585  vol*covol 24055
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1905  ax-6 1964  ax-7 2009  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2154  ax-12 2170  ax-ext 2791  ax-rep 5181  ax-sep 5194  ax-nul 5201  ax-pow 5257  ax-pr 5320  ax-un 7453  ax-inf2 9096  ax-cnex 10585  ax-resscn 10586  ax-1cn 10587  ax-icn 10588  ax-addcl 10589  ax-addrcl 10590  ax-mulcl 10591  ax-mulrcl 10592  ax-mulcom 10593  ax-addass 10594  ax-mulass 10595  ax-distr 10596  ax-i2m1 10597  ax-1ne0 10598  ax-1rid 10599  ax-rnegex 10600  ax-rrecex 10601  ax-cnre 10602  ax-pre-lttri 10603  ax-pre-lttrn 10604  ax-pre-ltadd 10605  ax-pre-mulgt0 10606  ax-pre-sup 10607
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-3or 1083  df-3an 1084  df-tru 1534  df-fal 1544  df-ex 1775  df-nf 1779  df-sb 2064  df-mo 2616  df-eu 2648  df-clab 2798  df-cleq 2812  df-clel 2891  df-nfc 2961  df-ne 3015  df-nel 3122  df-ral 3141  df-rex 3142  df-reu 3143  df-rmo 3144  df-rab 3145  df-v 3495  df-sbc 3771  df-csb 3882  df-dif 3937  df-un 3939  df-in 3941  df-ss 3950  df-pss 3952  df-nul 4290  df-if 4466  df-pw 4539  df-sn 4560  df-pr 4562  df-tp 4564  df-op 4566  df-uni 4831  df-int 4868  df-iun 4912  df-br 5058  df-opab 5120  df-mpt 5138  df-tr 5164  df-id 5453  df-eprel 5458  df-po 5467  df-so 5468  df-fr 5507  df-se 5508  df-we 5509  df-xp 5554  df-rel 5555  df-cnv 5556  df-co 5557  df-dm 5558  df-rn 5559  df-res 5560  df-ima 5561  df-pred 6141  df-ord 6187  df-on 6188  df-lim 6189  df-suc 6190  df-iota 6307  df-fun 6350  df-fn 6351  df-f 6352  df-f1 6353  df-fo 6354  df-f1o 6355  df-fv 6356  df-isom 6357  df-riota 7106  df-ov 7151  df-oprab 7152  df-mpo 7153  df-om 7573  df-1st 7681  df-2nd 7682  df-wrecs 7939  df-recs 8000  df-rdg 8038  df-1o 8094  df-oadd 8098  df-er 8281  df-map 8400  df-pm 8401  df-en 8502  df-dom 8503  df-sdom 8504  df-fin 8505  df-sup 8898  df-inf 8899  df-oi 8966  df-card 9360  df-pnf 10669  df-mnf 10670  df-xr 10671  df-ltxr 10672  df-le 10673  df-sub 10864  df-neg 10865  df-div 11290  df-nn 11631  df-2 11692  df-3 11693  df-n0 11890  df-z 11974  df-uz 12236  df-rp 12382  df-ioo 12734  df-ico 12736  df-fz 12885  df-fzo 13026  df-fl 13154  df-seq 13362  df-exp 13422  df-hash 13683  df-cj 14450  df-re 14451  df-im 14452  df-sqrt 14586  df-abs 14587  df-clim 14837  df-rlim 14838  df-sum 15035  df-ovol 24057
This theorem is referenced by:  ovoliunlem3  24097
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