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Theorem volsupnfl 36533
Description: volsup 25073 is incompatible with the Feferman-Levy model. (Contributed by Brendan Leahy, 2-Jan-2018.)
Hypothesis
Ref Expression
volsupnfl.0 ((𝑓:ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ (𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1))) → (vol‘ ran 𝑓) = sup((vol “ ran 𝑓), ℝ*, < ))
Assertion
Ref Expression
volsupnfl ((𝐴 ≼ ℕ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) → 𝐴 ≠ ℝ)
Distinct variable group:   𝑓,𝑛,𝑥,𝐴

Proof of Theorem volsupnfl
Dummy variables 𝑔 𝑚 𝑙 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 unieq 4920 . . . . . . . . 9 (𝐴 = ∅ → 𝐴 = ∅)
2 uni0 4940 . . . . . . . . 9 ∅ = ∅
31, 2eqtrdi 2789 . . . . . . . 8 (𝐴 = ∅ → 𝐴 = ∅)
43fveq2d 6896 . . . . . . 7 (𝐴 = ∅ → (vol‘ 𝐴) = (vol‘∅))
5 0mbl 25056 . . . . . . . . 9 ∅ ∈ dom vol
6 mblvol 25047 . . . . . . . . 9 (∅ ∈ dom vol → (vol‘∅) = (vol*‘∅))
75, 6ax-mp 5 . . . . . . . 8 (vol‘∅) = (vol*‘∅)
8 ovol0 25010 . . . . . . . 8 (vol*‘∅) = 0
97, 8eqtri 2761 . . . . . . 7 (vol‘∅) = 0
104, 9eqtr2di 2790 . . . . . 6 (𝐴 = ∅ → 0 = (vol‘ 𝐴))
1110a1d 25 . . . . 5 (𝐴 = ∅ → ((𝐴 ≼ ℕ ∧ (∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ)) → 0 = (vol‘ 𝐴)))
12 reldom 8945 . . . . . . . . . . 11 Rel ≼
1312brrelex1i 5733 . . . . . . . . . 10 (𝐴 ≼ ℕ → 𝐴 ∈ V)
14 0sdomg 9104 . . . . . . . . . 10 (𝐴 ∈ V → (∅ ≺ 𝐴𝐴 ≠ ∅))
1513, 14syl 17 . . . . . . . . 9 (𝐴 ≼ ℕ → (∅ ≺ 𝐴𝐴 ≠ ∅))
1615biimparc 481 . . . . . . . 8 ((𝐴 ≠ ∅ ∧ 𝐴 ≼ ℕ) → ∅ ≺ 𝐴)
17 fodomr 9128 . . . . . . . 8 ((∅ ≺ 𝐴𝐴 ≼ ℕ) → ∃𝑔 𝑔:ℕ–onto𝐴)
1816, 17sylancom 589 . . . . . . 7 ((𝐴 ≠ ∅ ∧ 𝐴 ≼ ℕ) → ∃𝑔 𝑔:ℕ–onto𝐴)
19 unissb 4944 . . . . . . . . . . . . 13 ( 𝐴 ⊆ ℝ ↔ ∀𝑥𝐴 𝑥 ⊆ ℝ)
2019anbi1i 625 . . . . . . . . . . . 12 (( 𝐴 ⊆ ℝ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) ↔ (∀𝑥𝐴 𝑥 ⊆ ℝ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ))
21 r19.26 3112 . . . . . . . . . . . 12 (∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ 𝑥 ≼ ℕ) ↔ (∀𝑥𝐴 𝑥 ⊆ ℝ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ))
2220, 21bitr4i 278 . . . . . . . . . . 11 (( 𝐴 ⊆ ℝ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) ↔ ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ 𝑥 ≼ ℕ))
23 ovolctb2 25009 . . . . . . . . . . . . 13 ((𝑥 ⊆ ℝ ∧ 𝑥 ≼ ℕ) → (vol*‘𝑥) = 0)
24 nulmbl 25052 . . . . . . . . . . . . . 14 ((𝑥 ⊆ ℝ ∧ (vol*‘𝑥) = 0) → 𝑥 ∈ dom vol)
25 mblvol 25047 . . . . . . . . . . . . . . . 16 (𝑥 ∈ dom vol → (vol‘𝑥) = (vol*‘𝑥))
26 eqtr 2756 . . . . . . . . . . . . . . . . 17 (((vol‘𝑥) = (vol*‘𝑥) ∧ (vol*‘𝑥) = 0) → (vol‘𝑥) = 0)
2726expcom 415 . . . . . . . . . . . . . . . 16 ((vol*‘𝑥) = 0 → ((vol‘𝑥) = (vol*‘𝑥) → (vol‘𝑥) = 0))
2825, 27syl5 34 . . . . . . . . . . . . . . 15 ((vol*‘𝑥) = 0 → (𝑥 ∈ dom vol → (vol‘𝑥) = 0))
2928adantl 483 . . . . . . . . . . . . . 14 ((𝑥 ⊆ ℝ ∧ (vol*‘𝑥) = 0) → (𝑥 ∈ dom vol → (vol‘𝑥) = 0))
3024, 29jcai 518 . . . . . . . . . . . . 13 ((𝑥 ⊆ ℝ ∧ (vol*‘𝑥) = 0) → (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0))
3123, 30syldan 592 . . . . . . . . . . . 12 ((𝑥 ⊆ ℝ ∧ 𝑥 ≼ ℕ) → (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0))
3231ralimi 3084 . . . . . . . . . . 11 (∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ 𝑥 ≼ ℕ) → ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0))
3322, 32sylbi 216 . . . . . . . . . 10 (( 𝐴 ⊆ ℝ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) → ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0))
3433ancoms 460 . . . . . . . . 9 ((∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ) → ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0))
35 fzfi 13937 . . . . . . . . . . . . . . 15 (1...𝑚) ∈ Fin
36 fzssuz 13542 . . . . . . . . . . . . . . . . 17 (1...𝑚) ⊆ (ℤ‘1)
37 nnuz 12865 . . . . . . . . . . . . . . . . 17 ℕ = (ℤ‘1)
3836, 37sseqtrri 4020 . . . . . . . . . . . . . . . 16 (1...𝑚) ⊆ ℕ
39 fof 6806 . . . . . . . . . . . . . . . . . . . 20 (𝑔:ℕ–onto𝐴𝑔:ℕ⟶𝐴)
4039ffvelcdmda 7087 . . . . . . . . . . . . . . . . . . 19 ((𝑔:ℕ–onto𝐴𝑙 ∈ ℕ) → (𝑔𝑙) ∈ 𝐴)
41 eleq1 2822 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑥 = (𝑔𝑙) → (𝑥 ∈ dom vol ↔ (𝑔𝑙) ∈ dom vol))
42 fveqeq2 6901 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑥 = (𝑔𝑙) → ((vol‘𝑥) = 0 ↔ (vol‘(𝑔𝑙)) = 0))
4341, 42anbi12d 632 . . . . . . . . . . . . . . . . . . . . . 22 (𝑥 = (𝑔𝑙) → ((𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) ↔ ((𝑔𝑙) ∈ dom vol ∧ (vol‘(𝑔𝑙)) = 0)))
4443rspccva 3612 . . . . . . . . . . . . . . . . . . . . 21 ((∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) ∧ (𝑔𝑙) ∈ 𝐴) → ((𝑔𝑙) ∈ dom vol ∧ (vol‘(𝑔𝑙)) = 0))
4544simpld 496 . . . . . . . . . . . . . . . . . . . 20 ((∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) ∧ (𝑔𝑙) ∈ 𝐴) → (𝑔𝑙) ∈ dom vol)
4645ancoms 460 . . . . . . . . . . . . . . . . . . 19 (((𝑔𝑙) ∈ 𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑔𝑙) ∈ dom vol)
4740, 46sylan 581 . . . . . . . . . . . . . . . . . 18 (((𝑔:ℕ–onto𝐴𝑙 ∈ ℕ) ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑔𝑙) ∈ dom vol)
4847an32s 651 . . . . . . . . . . . . . . . . 17 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑙 ∈ ℕ) → (𝑔𝑙) ∈ dom vol)
4948ralrimiva 3147 . . . . . . . . . . . . . . . 16 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ ℕ (𝑔𝑙) ∈ dom vol)
50 ssralv 4051 . . . . . . . . . . . . . . . 16 ((1...𝑚) ⊆ ℕ → (∀𝑙 ∈ ℕ (𝑔𝑙) ∈ dom vol → ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol))
5138, 49, 50mpsyl 68 . . . . . . . . . . . . . . 15 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol)
52 finiunmbl 25061 . . . . . . . . . . . . . . 15 (((1...𝑚) ∈ Fin ∧ ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol)
5335, 51, 52sylancr 588 . . . . . . . . . . . . . 14 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol)
5453adantr 482 . . . . . . . . . . . . 13 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol)
5554fmpttd 7115 . . . . . . . . . . . 12 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol)
56 fzssp1 13544 . . . . . . . . . . . . . . 15 (1...𝑛) ⊆ (1...(𝑛 + 1))
57 iunss1 5012 . . . . . . . . . . . . . . 15 ((1...𝑛) ⊆ (1...(𝑛 + 1)) → 𝑙 ∈ (1...𝑛)(𝑔𝑙) ⊆ 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙))
5856, 57ax-mp 5 . . . . . . . . . . . . . 14 𝑙 ∈ (1...𝑛)(𝑔𝑙) ⊆ 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙)
59 oveq2 7417 . . . . . . . . . . . . . . . . 17 (𝑚 = 𝑛 → (1...𝑚) = (1...𝑛))
6059iuneq1d 5025 . . . . . . . . . . . . . . . 16 (𝑚 = 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙) = 𝑙 ∈ (1...𝑛)(𝑔𝑙))
61 eqid 2733 . . . . . . . . . . . . . . . 16 (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))
62 ovex 7442 . . . . . . . . . . . . . . . . 17 (1...𝑛) ∈ V
63 fvex 6905 . . . . . . . . . . . . . . . . 17 (𝑔𝑙) ∈ V
6462, 63iunex 7955 . . . . . . . . . . . . . . . 16 𝑙 ∈ (1...𝑛)(𝑔𝑙) ∈ V
6560, 61, 64fvmpt 6999 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) = 𝑙 ∈ (1...𝑛)(𝑔𝑙))
66 peano2nn 12224 . . . . . . . . . . . . . . . 16 (𝑛 ∈ ℕ → (𝑛 + 1) ∈ ℕ)
67 oveq2 7417 . . . . . . . . . . . . . . . . . 18 (𝑚 = (𝑛 + 1) → (1...𝑚) = (1...(𝑛 + 1)))
6867iuneq1d 5025 . . . . . . . . . . . . . . . . 17 (𝑚 = (𝑛 + 1) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) = 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙))
69 ovex 7442 . . . . . . . . . . . . . . . . . 18 (1...(𝑛 + 1)) ∈ V
7069, 63iunex 7955 . . . . . . . . . . . . . . . . 17 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙) ∈ V
7168, 61, 70fvmpt 6999 . . . . . . . . . . . . . . . 16 ((𝑛 + 1) ∈ ℕ → ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)) = 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙))
7266, 71syl 17 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)) = 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙))
7365, 72sseq12d 4016 . . . . . . . . . . . . . 14 (𝑛 ∈ ℕ → (((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)) ↔ 𝑙 ∈ (1...𝑛)(𝑔𝑙) ⊆ 𝑙 ∈ (1...(𝑛 + 1))(𝑔𝑙)))
7458, 73mpbiri 258 . . . . . . . . . . . . 13 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)))
7574rgen 3064 . . . . . . . . . . . 12 𝑛 ∈ ℕ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1))
76 nnex 12218 . . . . . . . . . . . . . 14 ℕ ∈ V
7776mptex 7225 . . . . . . . . . . . . 13 (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ∈ V
78 feq1 6699 . . . . . . . . . . . . . . 15 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (𝑓:ℕ⟶dom vol ↔ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol))
79 fveq1 6891 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (𝑓𝑛) = ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛))
80 fveq1 6891 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (𝑓‘(𝑛 + 1)) = ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)))
8179, 80sseq12d 4016 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → ((𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1)) ↔ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1))))
8281ralbidv 3178 . . . . . . . . . . . . . . 15 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (∀𝑛 ∈ ℕ (𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1)) ↔ ∀𝑛 ∈ ℕ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1))))
8378, 82anbi12d 632 . . . . . . . . . . . . . 14 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → ((𝑓:ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ (𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1))) ↔ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1)))))
84 rneq 5936 . . . . . . . . . . . . . . . . 17 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → ran 𝑓 = ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
8584unieqd 4923 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → ran 𝑓 = ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
8685fveq2d 6896 . . . . . . . . . . . . . . 15 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (vol‘ ran 𝑓) = (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))))
8784imaeq2d 6060 . . . . . . . . . . . . . . . 16 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (vol “ ran 𝑓) = (vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))))
8887supeq1d 9441 . . . . . . . . . . . . . . 15 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → sup((vol “ ran 𝑓), ℝ*, < ) = sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ))
8986, 88eqeq12d 2749 . . . . . . . . . . . . . 14 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → ((vol‘ ran 𝑓) = sup((vol “ ran 𝑓), ℝ*, < ) ↔ (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < )))
9083, 89imbi12d 345 . . . . . . . . . . . . 13 (𝑓 = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) → (((𝑓:ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ (𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1))) → (vol‘ ran 𝑓) = sup((vol “ ran 𝑓), ℝ*, < )) ↔ (((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1))) → (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ))))
91 volsupnfl.0 . . . . . . . . . . . . 13 ((𝑓:ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ (𝑓𝑛) ⊆ (𝑓‘(𝑛 + 1))) → (vol‘ ran 𝑓) = sup((vol “ ran 𝑓), ℝ*, < ))
9277, 90, 91vtocl 3550 . . . . . . . . . . . 12 (((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol ∧ ∀𝑛 ∈ ℕ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘𝑛) ⊆ ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))‘(𝑛 + 1))) → (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ))
9355, 75, 92sylancl 587 . . . . . . . . . . 11 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ))
94 df-iun 5000 . . . . . . . . . . . . . . . 16 𝑥 ∈ ℕ (𝑔𝑥) = {𝑛 ∣ ∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥)}
95 eluzfz2 13509 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑥 ∈ (ℤ‘1) → 𝑥 ∈ (1...𝑥))
9695, 37eleq2s 2852 . . . . . . . . . . . . . . . . . . . . . 22 (𝑥 ∈ ℕ → 𝑥 ∈ (1...𝑥))
97 fveq2 6892 . . . . . . . . . . . . . . . . . . . . . . . 24 (𝑙 = 𝑥 → (𝑔𝑙) = (𝑔𝑥))
9897eleq2d 2820 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑙 = 𝑥 → (𝑛 ∈ (𝑔𝑙) ↔ 𝑛 ∈ (𝑔𝑥)))
9998rspcev 3613 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑥 ∈ (1...𝑥) ∧ 𝑛 ∈ (𝑔𝑥)) → ∃𝑙 ∈ (1...𝑥)𝑛 ∈ (𝑔𝑙))
10096, 99sylan 581 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 ∈ ℕ ∧ 𝑛 ∈ (𝑔𝑥)) → ∃𝑙 ∈ (1...𝑥)𝑛 ∈ (𝑔𝑙))
101 oveq2 7417 . . . . . . . . . . . . . . . . . . . . . . 23 (𝑚 = 𝑥 → (1...𝑚) = (1...𝑥))
102101rexeqdv 3327 . . . . . . . . . . . . . . . . . . . . . 22 (𝑚 = 𝑥 → (∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙) ↔ ∃𝑙 ∈ (1...𝑥)𝑛 ∈ (𝑔𝑙)))
103102rspcev 3613 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 ∈ ℕ ∧ ∃𝑙 ∈ (1...𝑥)𝑛 ∈ (𝑔𝑙)) → ∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
104100, 103syldan 592 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 ∈ ℕ ∧ 𝑛 ∈ (𝑔𝑥)) → ∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
105104rexlimiva 3148 . . . . . . . . . . . . . . . . . . 19 (∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥) → ∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
106 ssrexv 4052 . . . . . . . . . . . . . . . . . . . . . 22 ((1...𝑚) ⊆ ℕ → (∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙) → ∃𝑙 ∈ ℕ 𝑛 ∈ (𝑔𝑙)))
10738, 106ax-mp 5 . . . . . . . . . . . . . . . . . . . . 21 (∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙) → ∃𝑙 ∈ ℕ 𝑛 ∈ (𝑔𝑙))
10898cbvrexvw 3236 . . . . . . . . . . . . . . . . . . . . 21 (∃𝑙 ∈ ℕ 𝑛 ∈ (𝑔𝑙) ↔ ∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥))
109107, 108sylib 217 . . . . . . . . . . . . . . . . . . . 20 (∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙) → ∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥))
110109rexlimivw 3152 . . . . . . . . . . . . . . . . . . 19 (∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙) → ∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥))
111105, 110impbii 208 . . . . . . . . . . . . . . . . . 18 (∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥) ↔ ∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
112 eliun 5002 . . . . . . . . . . . . . . . . . . 19 (𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙) ↔ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
113112rexbii 3095 . . . . . . . . . . . . . . . . . 18 (∃𝑚 ∈ ℕ 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙) ↔ ∃𝑚 ∈ ℕ ∃𝑙 ∈ (1...𝑚)𝑛 ∈ (𝑔𝑙))
114111, 113bitr4i 278 . . . . . . . . . . . . . . . . 17 (∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥) ↔ ∃𝑚 ∈ ℕ 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙))
115114abbii 2803 . . . . . . . . . . . . . . . 16 {𝑛 ∣ ∃𝑥 ∈ ℕ 𝑛 ∈ (𝑔𝑥)} = {𝑛 ∣ ∃𝑚 ∈ ℕ 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙)}
11694, 115eqtri 2761 . . . . . . . . . . . . . . 15 𝑥 ∈ ℕ (𝑔𝑥) = {𝑛 ∣ ∃𝑚 ∈ ℕ 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙)}
117 df-iun 5000 . . . . . . . . . . . . . . 15 𝑚 ∈ ℕ 𝑙 ∈ (1...𝑚)(𝑔𝑙) = {𝑛 ∣ ∃𝑚 ∈ ℕ 𝑛 𝑙 ∈ (1...𝑚)(𝑔𝑙)}
118 ovex 7442 . . . . . . . . . . . . . . . . 17 (1...𝑚) ∈ V
119118, 63iunex 7955 . . . . . . . . . . . . . . . 16 𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ V
120119dfiun3 5966 . . . . . . . . . . . . . . 15 𝑚 ∈ ℕ 𝑙 ∈ (1...𝑚)(𝑔𝑙) = ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))
121116, 117, 1203eqtr2i 2767 . . . . . . . . . . . . . 14 𝑥 ∈ ℕ (𝑔𝑥) = ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))
122 fofn 6808 . . . . . . . . . . . . . . . 16 (𝑔:ℕ–onto𝐴𝑔 Fn ℕ)
123 fniunfv 7246 . . . . . . . . . . . . . . . 16 (𝑔 Fn ℕ → 𝑥 ∈ ℕ (𝑔𝑥) = ran 𝑔)
124122, 123syl 17 . . . . . . . . . . . . . . 15 (𝑔:ℕ–onto𝐴 𝑥 ∈ ℕ (𝑔𝑥) = ran 𝑔)
125 forn 6809 . . . . . . . . . . . . . . . 16 (𝑔:ℕ–onto𝐴 → ran 𝑔 = 𝐴)
126125unieqd 4923 . . . . . . . . . . . . . . 15 (𝑔:ℕ–onto𝐴 ran 𝑔 = 𝐴)
127124, 126eqtrd 2773 . . . . . . . . . . . . . 14 (𝑔:ℕ–onto𝐴 𝑥 ∈ ℕ (𝑔𝑥) = 𝐴)
128121, 127eqtr3id 2787 . . . . . . . . . . . . 13 (𝑔:ℕ–onto𝐴 ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = 𝐴)
129128fveq2d 6896 . . . . . . . . . . . 12 (𝑔:ℕ–onto𝐴 → (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (vol‘ 𝐴))
130129adantr 482 . . . . . . . . . . 11 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol‘ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (vol‘ 𝐴))
131 rnco2 6253 . . . . . . . . . . . . . 14 ran (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
132 eqidd 2734 . . . . . . . . . . . . . . . . 17 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
133 volf 25046 . . . . . . . . . . . . . . . . . . 19 vol:dom vol⟶(0[,]+∞)
134133a1i 11 . . . . . . . . . . . . . . . . . 18 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → vol:dom vol⟶(0[,]+∞))
135134feqmptd 6961 . . . . . . . . . . . . . . . . 17 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → vol = (𝑛 ∈ dom vol ↦ (vol‘𝑛)))
136 fveq2 6892 . . . . . . . . . . . . . . . . 17 (𝑛 = 𝑙 ∈ (1...𝑚)(𝑔𝑙) → (vol‘𝑛) = (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
13754, 132, 135, 136fmptco 7127 . . . . . . . . . . . . . . . 16 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (𝑚 ∈ ℕ ↦ (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙))))
138 mblvol 25047 . . . . . . . . . . . . . . . . . . . 20 ( 𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol → (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
13954, 138syl 17 . . . . . . . . . . . . . . . . . . 19 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
140 mblss 25048 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑥 ∈ dom vol → 𝑥 ⊆ ℝ)
141140adantr 482 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) → 𝑥 ⊆ ℝ)
14225eqeq1d 2735 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑥 ∈ dom vol → ((vol‘𝑥) = 0 ↔ (vol*‘𝑥) = 0))
143 0re 11216 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 0 ∈ ℝ
144 eleq1a 2829 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (0 ∈ ℝ → ((vol*‘𝑥) = 0 → (vol*‘𝑥) ∈ ℝ))
145143, 144ax-mp 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((vol*‘𝑥) = 0 → (vol*‘𝑥) ∈ ℝ)
146142, 145syl6bi 253 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑥 ∈ dom vol → ((vol‘𝑥) = 0 → (vol*‘𝑥) ∈ ℝ))
147146imp 408 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) → (vol*‘𝑥) ∈ ℝ)
148141, 147jca 513 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 ((𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) → (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ))
149148ralimi 3084 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) → ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ))
150149adantl 483 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ))
151 ssid 4005 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ℕ ⊆ ℕ
152 sseq1 4008 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑥 = (𝑔𝑙) → (𝑥 ⊆ ℝ ↔ (𝑔𝑙) ⊆ ℝ))
153 fveq2 6892 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 (𝑥 = (𝑔𝑙) → (vol*‘𝑥) = (vol*‘(𝑔𝑙)))
154153eleq1d 2819 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 (𝑥 = (𝑔𝑙) → ((vol*‘𝑥) ∈ ℝ ↔ (vol*‘(𝑔𝑙)) ∈ ℝ))
155152, 154anbi12d 632 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 (𝑥 = (𝑔𝑙) → ((𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ) ↔ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ)))
156155ralima 7240 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑔 Fn ℕ ∧ ℕ ⊆ ℕ) → (∀𝑥 ∈ (𝑔 “ ℕ)(𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ) ↔ ∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ)))
157122, 151, 156sylancl 587 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑔:ℕ–onto𝐴 → (∀𝑥 ∈ (𝑔 “ ℕ)(𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ) ↔ ∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ)))
158 foima 6811 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (𝑔:ℕ–onto𝐴 → (𝑔 “ ℕ) = 𝐴)
159158raleqdv 3326 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (𝑔:ℕ–onto𝐴 → (∀𝑥 ∈ (𝑔 “ ℕ)(𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ) ↔ ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ)))
160157, 159bitr3d 281 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (𝑔:ℕ–onto𝐴 → (∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ) ↔ ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ)))
161160adantr 482 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ) ↔ ∀𝑥𝐴 (𝑥 ⊆ ℝ ∧ (vol*‘𝑥) ∈ ℝ)))
162150, 161mpbird 257 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ))
163 ssralv 4051 . . . . . . . . . . . . . . . . . . . . . . . 24 ((1...𝑚) ⊆ ℕ → (∀𝑙 ∈ ℕ ((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ) → ∀𝑙 ∈ (1...𝑚)((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ)))
16438, 162, 163mpsyl 68 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ (1...𝑚)((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ))
165164adantr 482 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → ∀𝑙 ∈ (1...𝑚)((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ))
166 ovolfiniun 25018 . . . . . . . . . . . . . . . . . . . . . 22 (((1...𝑚) ∈ Fin ∧ ∀𝑙 ∈ (1...𝑚)((𝑔𝑙) ⊆ ℝ ∧ (vol*‘(𝑔𝑙)) ∈ ℝ)) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ≤ Σ𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)))
16735, 165, 166sylancr 588 . . . . . . . . . . . . . . . . . . . . 21 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ≤ Σ𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)))
168 mblvol 25047 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 ((𝑔𝑙) ∈ dom vol → (vol‘(𝑔𝑙)) = (vol*‘(𝑔𝑙)))
16948, 168syl 17 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑙 ∈ ℕ) → (vol‘(𝑔𝑙)) = (vol*‘(𝑔𝑙)))
17044simprd 497 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 ((∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) ∧ (𝑔𝑙) ∈ 𝐴) → (vol‘(𝑔𝑙)) = 0)
17140, 170sylan2 594 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 ((∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) ∧ (𝑔:ℕ–onto𝐴𝑙 ∈ ℕ)) → (vol‘(𝑔𝑙)) = 0)
172171ancoms 460 . . . . . . . . . . . . . . . . . . . . . . . . . . . 28 (((𝑔:ℕ–onto𝐴𝑙 ∈ ℕ) ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol‘(𝑔𝑙)) = 0)
173172an32s 651 . . . . . . . . . . . . . . . . . . . . . . . . . . 27 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑙 ∈ ℕ) → (vol‘(𝑔𝑙)) = 0)
174169, 173eqtr3d 2775 . . . . . . . . . . . . . . . . . . . . . . . . . 26 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑙 ∈ ℕ) → (vol*‘(𝑔𝑙)) = 0)
175174ralrimiva 3147 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ ℕ (vol*‘(𝑔𝑙)) = 0)
176 ssralv 4051 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((1...𝑚) ⊆ ℕ → (∀𝑙 ∈ ℕ (vol*‘(𝑔𝑙)) = 0 → ∀𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)) = 0))
17738, 175, 176mpsyl 68 . . . . . . . . . . . . . . . . . . . . . . . 24 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)) = 0)
178177adantr 482 . . . . . . . . . . . . . . . . . . . . . . 23 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → ∀𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)) = 0)
179178sumeq2d 15648 . . . . . . . . . . . . . . . . . . . . . 22 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → Σ𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)) = Σ𝑙 ∈ (1...𝑚)0)
18035olci 865 . . . . . . . . . . . . . . . . . . . . . . 23 ((1...𝑚) ⊆ (ℤ‘1) ∨ (1...𝑚) ∈ Fin)
181 sumz 15668 . . . . . . . . . . . . . . . . . . . . . . 23 (((1...𝑚) ⊆ (ℤ‘1) ∨ (1...𝑚) ∈ Fin) → Σ𝑙 ∈ (1...𝑚)0 = 0)
182180, 181ax-mp 5 . . . . . . . . . . . . . . . . . . . . . 22 Σ𝑙 ∈ (1...𝑚)0 = 0
183179, 182eqtrdi 2789 . . . . . . . . . . . . . . . . . . . . 21 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → Σ𝑙 ∈ (1...𝑚)(vol*‘(𝑔𝑙)) = 0)
184167, 183breqtrd 5175 . . . . . . . . . . . . . . . . . . . 20 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ≤ 0)
185 mblss 25048 . . . . . . . . . . . . . . . . . . . . . . . . 25 ((𝑔𝑙) ∈ dom vol → (𝑔𝑙) ⊆ ℝ)
186185ralimi 3084 . . . . . . . . . . . . . . . . . . . . . . . 24 (∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ∈ dom vol → ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ)
18751, 186syl 17 . . . . . . . . . . . . . . . . . . . . . . 23 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ)
188 iunss 5049 . . . . . . . . . . . . . . . . . . . . . . 23 ( 𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ ↔ ∀𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ)
189187, 188sylibr 233 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ)
190189adantr 482 . . . . . . . . . . . . . . . . . . . . 21 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → 𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ)
191 ovolge0 24998 . . . . . . . . . . . . . . . . . . . . 21 ( 𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ → 0 ≤ (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
192190, 191syl 17 . . . . . . . . . . . . . . . . . . . 20 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → 0 ≤ (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))
193 ovolcl 24995 . . . . . . . . . . . . . . . . . . . . . . 23 ( 𝑙 ∈ (1...𝑚)(𝑔𝑙) ⊆ ℝ → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ∈ ℝ*)
194189, 193syl 17 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ∈ ℝ*)
195194adantr 482 . . . . . . . . . . . . . . . . . . . . 21 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ∈ ℝ*)
196 0xr 11261 . . . . . . . . . . . . . . . . . . . . 21 0 ∈ ℝ*
197 xrletri3 13133 . . . . . . . . . . . . . . . . . . . . 21 (((vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ∈ ℝ* ∧ 0 ∈ ℝ*) → ((vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = 0 ↔ ((vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ≤ 0 ∧ 0 ≤ (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))))
198195, 196, 197sylancl 587 . . . . . . . . . . . . . . . . . . . 20 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → ((vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = 0 ↔ ((vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ≤ 0 ∧ 0 ≤ (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)))))
199184, 192, 198mpbir2and 712 . . . . . . . . . . . . . . . . . . 19 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol*‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = 0)
200139, 199eqtrd 2773 . . . . . . . . . . . . . . . . . 18 (((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) ∧ 𝑚 ∈ ℕ) → (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) = 0)
201200mpteq2dva 5249 . . . . . . . . . . . . . . . . 17 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑚 ∈ ℕ ↦ (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (𝑚 ∈ ℕ ↦ 0))
202 fconstmpt 5739 . . . . . . . . . . . . . . . . 17 (ℕ × {0}) = (𝑚 ∈ ℕ ↦ 0)
203201, 202eqtr4di 2791 . . . . . . . . . . . . . . . 16 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (𝑚 ∈ ℕ ↦ (vol‘ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (ℕ × {0}))
204137, 203eqtrd 2773 . . . . . . . . . . . . . . 15 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (ℕ × {0}))
205 frn 6725 . . . . . . . . . . . . . . . . 17 ((𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)):ℕ⟶dom vol → ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ⊆ dom vol)
206 ffn 6718 . . . . . . . . . . . . . . . . . . 19 (vol:dom vol⟶(0[,]+∞) → vol Fn dom vol)
207133, 206ax-mp 5 . . . . . . . . . . . . . . . . . 18 vol Fn dom vol
208119, 61fnmpti 6694 . . . . . . . . . . . . . . . . . 18 (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) Fn ℕ
209 fnco 6668 . . . . . . . . . . . . . . . . . 18 ((vol Fn dom vol ∧ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) Fn ℕ ∧ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ⊆ dom vol) → (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) Fn ℕ)
210207, 208, 209mp3an12 1452 . . . . . . . . . . . . . . . . 17 (ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙)) ⊆ dom vol → (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) Fn ℕ)
21155, 205, 2103syl 18 . . . . . . . . . . . . . . . 16 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) Fn ℕ)
212 1nn 12223 . . . . . . . . . . . . . . . . 17 1 ∈ ℕ
213212ne0ii 4338 . . . . . . . . . . . . . . . 16 ℕ ≠ ∅
214 fconst5 7207 . . . . . . . . . . . . . . . 16 (((vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) Fn ℕ ∧ ℕ ≠ ∅) → ((vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (ℕ × {0}) ↔ ran (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = {0}))
215211, 213, 214sylancl 587 . . . . . . . . . . . . . . 15 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ((vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = (ℕ × {0}) ↔ ran (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = {0}))
216204, 215mpbid 231 . . . . . . . . . . . . . 14 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → ran (vol ∘ (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = {0})
217131, 216eqtr3id 2787 . . . . . . . . . . . . 13 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → (vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))) = {0})
218217supeq1d 9441 . . . . . . . . . . . 12 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ) = sup({0}, ℝ*, < ))
219 xrltso 13120 . . . . . . . . . . . . 13 < Or ℝ*
220 supsn 9467 . . . . . . . . . . . . 13 (( < Or ℝ* ∧ 0 ∈ ℝ*) → sup({0}, ℝ*, < ) = 0)
221219, 196, 220mp2an 691 . . . . . . . . . . . 12 sup({0}, ℝ*, < ) = 0
222218, 221eqtrdi 2789 . . . . . . . . . . 11 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → sup((vol “ ran (𝑚 ∈ ℕ ↦ 𝑙 ∈ (1...𝑚)(𝑔𝑙))), ℝ*, < ) = 0)
22393, 130, 2223eqtr3rd 2782 . . . . . . . . . 10 ((𝑔:ℕ–onto𝐴 ∧ ∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0)) → 0 = (vol‘ 𝐴))
224223ex 414 . . . . . . . . 9 (𝑔:ℕ–onto𝐴 → (∀𝑥𝐴 (𝑥 ∈ dom vol ∧ (vol‘𝑥) = 0) → 0 = (vol‘ 𝐴)))
22534, 224syl5 34 . . . . . . . 8 (𝑔:ℕ–onto𝐴 → ((∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ) → 0 = (vol‘ 𝐴)))
226225exlimiv 1934 . . . . . . 7 (∃𝑔 𝑔:ℕ–onto𝐴 → ((∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ) → 0 = (vol‘ 𝐴)))
22718, 226syl 17 . . . . . 6 ((𝐴 ≠ ∅ ∧ 𝐴 ≼ ℕ) → ((∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ) → 0 = (vol‘ 𝐴)))
228227expimpd 455 . . . . 5 (𝐴 ≠ ∅ → ((𝐴 ≼ ℕ ∧ (∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ)) → 0 = (vol‘ 𝐴)))
22911, 228pm2.61ine 3026 . . . 4 ((𝐴 ≼ ℕ ∧ (∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ)) → 0 = (vol‘ 𝐴))
230 renepnf 11262 . . . . . . 7 (0 ∈ ℝ → 0 ≠ +∞)
231143, 230mp1i 13 . . . . . 6 ( 𝐴 = ℝ → 0 ≠ +∞)
232 fveq2 6892 . . . . . . 7 ( 𝐴 = ℝ → (vol‘ 𝐴) = (vol‘ℝ))
233 rembl 25057 . . . . . . . . 9 ℝ ∈ dom vol
234 mblvol 25047 . . . . . . . . 9 (ℝ ∈ dom vol → (vol‘ℝ) = (vol*‘ℝ))
235233, 234ax-mp 5 . . . . . . . 8 (vol‘ℝ) = (vol*‘ℝ)
236 ovolre 25042 . . . . . . . 8 (vol*‘ℝ) = +∞
237235, 236eqtri 2761 . . . . . . 7 (vol‘ℝ) = +∞
238232, 237eqtrdi 2789 . . . . . 6 ( 𝐴 = ℝ → (vol‘ 𝐴) = +∞)
239231, 238neeqtrrd 3016 . . . . 5 ( 𝐴 = ℝ → 0 ≠ (vol‘ 𝐴))
240239necon2i 2976 . . . 4 (0 = (vol‘ 𝐴) → 𝐴 ≠ ℝ)
241229, 240syl 17 . . 3 ((𝐴 ≼ ℕ ∧ (∀𝑥𝐴 𝑥 ≼ ℕ ∧ 𝐴 ⊆ ℝ)) → 𝐴 ≠ ℝ)
242241expr 458 . 2 ((𝐴 ≼ ℕ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) → ( 𝐴 ⊆ ℝ → 𝐴 ≠ ℝ))
243 eqimss 4041 . . 3 ( 𝐴 = ℝ → 𝐴 ⊆ ℝ)
244243necon3bi 2968 . 2 𝐴 ⊆ ℝ → 𝐴 ≠ ℝ)
245242, 244pm2.61d1 180 1 ((𝐴 ≼ ℕ ∧ ∀𝑥𝐴 𝑥 ≼ ℕ) → 𝐴 ≠ ℝ)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 205  wa 397  wo 846   = wceq 1542  wex 1782  wcel 2107  {cab 2710  wne 2941  wral 3062  wrex 3071  Vcvv 3475  wss 3949  c0 4323  {csn 4629   cuni 4909   ciun 4998   class class class wbr 5149  cmpt 5232   Or wor 5588   × cxp 5675  dom cdm 5677  ran crn 5678  cima 5680  ccom 5681   Fn wfn 6539  wf 6540  ontowfo 6542  cfv 6544  (class class class)co 7409  cdom 8937  csdm 8938  Fincfn 8939  supcsup 9435  cr 11109  0cc0 11110  1c1 11111   + caddc 11113  +∞cpnf 11245  *cxr 11247   < clt 11248  cle 11249  cn 12212  cuz 12822  [,]cicc 13327  ...cfz 13484  Σcsu 15632  vol*covol 24979  volcvol 24980
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1798  ax-4 1812  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2109  ax-9 2117  ax-10 2138  ax-11 2155  ax-12 2172  ax-ext 2704  ax-rep 5286  ax-sep 5300  ax-nul 5307  ax-pow 5364  ax-pr 5428  ax-un 7725  ax-inf2 9636  ax-cnex 11166  ax-resscn 11167  ax-1cn 11168  ax-icn 11169  ax-addcl 11170  ax-addrcl 11171  ax-mulcl 11172  ax-mulrcl 11173  ax-mulcom 11174  ax-addass 11175  ax-mulass 11176  ax-distr 11177  ax-i2m1 11178  ax-1ne0 11179  ax-1rid 11180  ax-rnegex 11181  ax-rrecex 11182  ax-cnre 11183  ax-pre-lttri 11184  ax-pre-lttrn 11185  ax-pre-ltadd 11186  ax-pre-mulgt0 11187  ax-pre-sup 11188
This theorem depends on definitions:  df-bi 206  df-an 398  df-or 847  df-3or 1089  df-3an 1090  df-tru 1545  df-fal 1555  df-ex 1783  df-nf 1787  df-sb 2069  df-mo 2535  df-eu 2564  df-clab 2711  df-cleq 2725  df-clel 2811  df-nfc 2886  df-ne 2942  df-nel 3048  df-ral 3063  df-rex 3072  df-rmo 3377  df-reu 3378  df-rab 3434  df-v 3477  df-sbc 3779  df-csb 3895  df-dif 3952  df-un 3954  df-in 3956  df-ss 3966  df-pss 3968  df-nul 4324  df-if 4530  df-pw 4605  df-sn 4630  df-pr 4632  df-op 4636  df-uni 4910  df-int 4952  df-iun 5000  df-br 5150  df-opab 5212  df-mpt 5233  df-tr 5267  df-id 5575  df-eprel 5581  df-po 5589  df-so 5590  df-fr 5632  df-se 5633  df-we 5634  df-xp 5683  df-rel 5684  df-cnv 5685  df-co 5686  df-dm 5687  df-rn 5688  df-res 5689  df-ima 5690  df-pred 6301  df-ord 6368  df-on 6369  df-lim 6370  df-suc 6371  df-iota 6496  df-fun 6546  df-fn 6547  df-f 6548  df-f1 6549  df-fo 6550  df-f1o 6551  df-fv 6552  df-isom 6553  df-riota 7365  df-ov 7412  df-oprab 7413  df-mpo 7414  df-of 7670  df-om 7856  df-1st 7975  df-2nd 7976  df-frecs 8266  df-wrecs 8297  df-recs 8371  df-rdg 8410  df-1o 8466  df-2o 8467  df-er 8703  df-map 8822  df-en 8940  df-dom 8941  df-sdom 8942  df-fin 8943  df-fi 9406  df-sup 9437  df-inf 9438  df-oi 9505  df-dju 9896  df-card 9934  df-pnf 11250  df-mnf 11251  df-xr 11252  df-ltxr 11253  df-le 11254  df-sub 11446  df-neg 11447  df-div 11872  df-nn 12213  df-2 12275  df-3 12276  df-n0 12473  df-z 12559  df-uz 12823  df-q 12933  df-rp 12975  df-xneg 13092  df-xadd 13093  df-xmul 13094  df-ioo 13328  df-ico 13330  df-icc 13331  df-fz 13485  df-fzo 13628  df-fl 13757  df-seq 13967  df-exp 14028  df-hash 14291  df-cj 15046  df-re 15047  df-im 15048  df-sqrt 15182  df-abs 15183  df-clim 15432  df-sum 15633  df-rest 17368  df-topgen 17389  df-psmet 20936  df-xmet 20937  df-met 20938  df-bl 20939  df-mopn 20940  df-top 22396  df-topon 22413  df-bases 22449  df-cmp 22891  df-ovol 24981  df-vol 24982
This theorem is referenced by: (None)
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