isomennd - Mathbox for Glauco Siliprandi

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

Theorem isomennd 44069

Description: Sufficient condition to prove that 𝑂 is an outer measure. Definition 113A of [Fremlin1] p. 19 . (Contributed by Glauco Siliprandi, 11-Oct-2020.)

**Hypotheses**
Ref	Expression
isomennd.x	⊢ (𝜑 → 𝑋 ∈ 𝑉)
isomennd.o	⊢ (𝜑 → 𝑂:𝒫 𝑋⟶(0[,]+∞))
isomennd.o0	⊢ (𝜑 → (𝑂‘∅) = 0)
isomennd.le	⊢ ((𝜑 ∧ 𝑥 ⊆ 𝑋 ∧ 𝑦 ⊆ 𝑥) → (𝑂‘𝑦) ≤ (𝑂‘𝑥))
isomennd.sa	⊢ ((𝜑 ∧ 𝑎:ℕ⟶𝒫 𝑋) → (𝑂‘∪ 𝑛 ∈ ℕ (𝑎‘𝑛)) ≤ (Σ^{^}‘(𝑛 ∈ ℕ ↦ (𝑂‘(𝑎‘𝑛)))))

**Assertion**
Ref	Expression
isomennd	⊢ (𝜑 → 𝑂 ∈ OutMeas)

Distinct variable groups: 𝑂,𝑎,𝑛,𝑥 𝑦,𝑂,𝑥 𝑋,𝑎 𝜑,𝑎,𝑛,𝑥 𝜑,𝑦 Allowed substitution hints: 𝑉(𝑥,𝑦,𝑛,𝑎) 𝑋(𝑥,𝑦,𝑛)

Proof of Theorem isomennd Dummy variables 𝑓 𝑚 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		isomennd.o	. . . . 5 ⊢ (𝜑 → 𝑂:𝒫 𝑋⟶(0[,]+∞))
2		id 22	. . . . . 6 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → 𝑂:𝒫 𝑋⟶(0[,]+∞))
3		fdm 6609	. . . . . . 7 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → dom 𝑂 = 𝒫 𝑋)
4	3	feq2d 6586	. . . . . 6 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → (𝑂:dom 𝑂⟶(0[,]+∞) ↔ 𝑂:𝒫 𝑋⟶(0[,]+∞)))
5	2, 4	mpbird 256	. . . . 5 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → 𝑂:dom 𝑂⟶(0[,]+∞))
6	1, 5	syl 17	. . . 4 ⊢ (𝜑 → 𝑂:dom 𝑂⟶(0[,]+∞))
7		unipw 5366	. . . . . . 7 ⊢ ∪ 𝒫 𝑋 = 𝑋
8	7	pweqi 4551	. . . . . 6 ⊢ 𝒫 ∪ 𝒫 𝑋 = 𝒫 𝑋
9	8	a1i 11	. . . . 5 ⊢ (𝜑 → 𝒫 ∪ 𝒫 𝑋 = 𝒫 𝑋)
10	1, 3	syl 17	. . . . . . 7 ⊢ (𝜑 → dom 𝑂 = 𝒫 𝑋)
11	10	unieqd 4853	. . . . . 6 ⊢ (𝜑 → ∪ dom 𝑂 = ∪ 𝒫 𝑋)
12	11	pweqd 4552	. . . . 5 ⊢ (𝜑 → 𝒫 ∪ dom 𝑂 = 𝒫 ∪ 𝒫 𝑋)
13	9, 12, 10	3eqtr4rd 2789	. . . 4 ⊢ (𝜑 → dom 𝑂 = 𝒫 ∪ dom 𝑂)
14		isomennd.o0	. . . 4 ⊢ (𝜑 → (𝑂‘∅) = 0)
15	6, 13, 14	jca31 515	. . 3 ⊢ (𝜑 → ((𝑂:dom 𝑂⟶(0[,]+∞) ∧ dom 𝑂 = 𝒫 ∪ dom 𝑂) ∧ (𝑂‘∅) = 0))
16		simpl 483	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → 𝜑)
17		simpr 485	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ∈ 𝒫 ∪ dom 𝑂)
18	12, 9	eqtrd 2778	. . . . . . . . 9 ⊢ (𝜑 → 𝒫 ∪ dom 𝑂 = 𝒫 𝑋)
19	18	adantr 481	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝒫 ∪ dom 𝑂 = 𝒫 𝑋)
20	17, 19	eleqtrd 2841	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ∈ 𝒫 𝑋)
21		elpwi 4542	. . . . . . 7 ⊢ (𝑥 ∈ 𝒫 𝑋 → 𝑥 ⊆ 𝑋)
22	20, 21	syl 17	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ⊆ 𝑋)
23	22	adantrr 714	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → 𝑥 ⊆ 𝑋)
24		elpwi 4542	. . . . . . 7 ⊢ (𝑦 ∈ 𝒫 𝑥 → 𝑦 ⊆ 𝑥)
25	24	adantl 482	. . . . . 6 ⊢ ((𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥) → 𝑦 ⊆ 𝑥)
26	25	adantl 482	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → 𝑦 ⊆ 𝑥)
27		isomennd.le	. . . . 5 ⊢ ((𝜑 ∧ 𝑥 ⊆ 𝑋 ∧ 𝑦 ⊆ 𝑥) → (𝑂‘𝑦) ≤ (𝑂‘𝑥))
28	16, 23, 26, 27	syl3anc 1370	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → (𝑂‘𝑦) ≤ (𝑂‘𝑥))
29	28	ralrimivva 3123	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥))
30		0le0 12074	. . . . . . . . 9 ⊢ 0 ≤ 0
31	30	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 = ∅) → 0 ≤ 0)
32		unieq 4850	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∪ ∅)
33		uni0 4869	. . . . . . . . . . . . . 14 ⊢ ∪ ∅ = ∅
34	33	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ ∅ = ∅)
35	32, 34	eqtrd 2778	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∅)
36	35	fveq2d 6778	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (𝑂‘∪ 𝑥) = (𝑂‘∅))
37	36	adantl 482	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) = (𝑂‘∅))
38	14	adantr 481	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∅) = 0)
39	37, 38	eqtrd 2778	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) = 0)
40		reseq2 5886	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = (𝑂 ↾ ∅))
41		res0 5895	. . . . . . . . . . . . . 14 ⊢ (𝑂 ↾ ∅) = ∅
42	41	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ ∅) = ∅)
43	40, 42	eqtrd 2778	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = ∅)
44	43	fveq2d 6778	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = (Σ^{^}‘∅))
45		sge00 43914	. . . . . . . . . . . 12 ⊢ (Σ^{^}‘∅) = 0
46	45	a1i 11	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘∅) = 0)
47	44, 46	eqtrd 2778	. . . . . . . . . 10 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
48	47	adantl 482	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
49	39, 48	breq12d 5087	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 = ∅) → ((𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)) ↔ 0 ≤ 0))
50	31, 49	mpbird 256	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
51	50	ad4ant14 749	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
52		simpl 483	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω))
53		neqne 2951	. . . . . . . 8 ⊢ (¬ 𝑥 = ∅ → 𝑥 ≠ ∅)
54	53	adantl 482	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → 𝑥 ≠ ∅)
55		ssnnf1octb 42733	. . . . . . . . 9 ⊢ ((𝑥 ≼ ω ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥))
56	55	adantll 711	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥))
57	1	ad2antrr 723	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → 𝑂:𝒫 𝑋⟶(0[,]+∞))
58	14	ad2antrr 723	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → (𝑂‘∅) = 0)
59		simpr 485	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 dom 𝑂)
60	10	pweqd 4552	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝒫 dom 𝑂 = 𝒫 𝒫 𝑋)
61	60	adantr 481	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝒫 dom 𝑂 = 𝒫 𝒫 𝑋)
62	59, 61	eleqtrd 2841	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 𝒫 𝑋)
63		elpwi 4542	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ 𝒫 𝒫 𝑋 → 𝑥 ⊆ 𝒫 𝑋)
64	62, 63	syl 17	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ⊆ 𝒫 𝑋)
65	64	adantr 481	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → 𝑥 ⊆ 𝒫 𝑋)
66		simpl 483	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝜑)
67		isomennd.sa	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑎:ℕ⟶𝒫 𝑋) → (𝑂‘∪ 𝑛 ∈ ℕ (𝑎‘𝑛)) ≤ (Σ^{^}‘(𝑛 ∈ ℕ ↦ (𝑂‘(𝑎‘𝑛)))))
68	66, 67	sylan 580	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑎:ℕ⟶𝒫 𝑋) → (𝑂‘∪ 𝑛 ∈ ℕ (𝑎‘𝑛)) ≤ (Σ^{^}‘(𝑛 ∈ ℕ ↦ (𝑂‘(𝑎‘𝑛)))))
69	68	adantlr 712	. . . . . . . . . . . 12 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) ∧ 𝑎:ℕ⟶𝒫 𝑋) → (𝑂‘∪ 𝑛 ∈ ℕ (𝑎‘𝑛)) ≤ (Σ^{^}‘(𝑛 ∈ ℕ ↦ (𝑂‘(𝑎‘𝑛)))))
70		simprl 768	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → dom 𝑓 ⊆ ℕ)
71		simprr 770	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → 𝑓:dom 𝑓–1-1-onto→𝑥)
72		eleq1w 2821	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑚 ∈ dom 𝑓 ↔ 𝑛 ∈ dom 𝑓))
73		fveq2 6774	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑓‘𝑚) = (𝑓‘𝑛))
74	72, 73	ifbieq1d 4483	. . . . . . . . . . . . 13 ⊢ (𝑚 = 𝑛 → if(𝑚 ∈ dom 𝑓, (𝑓‘𝑚), ∅) = if(𝑛 ∈ dom 𝑓, (𝑓‘𝑛), ∅))
75	74	cbvmptv 5187	. . . . . . . . . . . 12 ⊢ (𝑚 ∈ ℕ ↦ if(𝑚 ∈ dom 𝑓, (𝑓‘𝑚), ∅)) = (𝑛 ∈ ℕ ↦ if(𝑛 ∈ dom 𝑓, (𝑓‘𝑛), ∅))
76	57, 58, 65, 69, 70, 71, 75	isomenndlem 44068	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
77	76	ex 413	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → ((dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
78	77	ad2antrr 723	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → ((dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
79	78	exlimdv 1936	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → (∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
80	56, 79	mpd 15	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
81	52, 54, 80	syl2anc 584	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
82	51, 81	pm2.61dan 810	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
83	82	ex 413	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → (𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
84	83	ralrimiva 3103	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝒫 dom 𝑂(𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
85	15, 29, 84	jca31 515	. 2 ⊢ (𝜑 → ((((𝑂:dom 𝑂⟶(0[,]+∞) ∧ dom 𝑂 = 𝒫 ∪ dom 𝑂) ∧ (𝑂‘∅) = 0) ∧ ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥)) ∧ ∀𝑥 ∈ 𝒫 dom 𝑂(𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))))
86		isomennd.x	. . . . 5 ⊢ (𝜑 → 𝑋 ∈ 𝑉)
87	86	pwexd 5302	. . . 4 ⊢ (𝜑 → 𝒫 𝑋 ∈ V)
88	1, 87	fexd 7103	. . 3 ⊢ (𝜑 → 𝑂 ∈ V)
89		isome 44032	. . 3 ⊢ (𝑂 ∈ V → (𝑂 ∈ OutMeas ↔ ((((𝑂:dom 𝑂⟶(0[,]+∞) ∧ dom 𝑂 = 𝒫 ∪ dom 𝑂) ∧ (𝑂‘∅) = 0) ∧ ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥)) ∧ ∀𝑥 ∈ 𝒫 dom 𝑂(𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))))
90	88, 89	syl 17	. 2 ⊢ (𝜑 → (𝑂 ∈ OutMeas ↔ ((((𝑂:dom 𝑂⟶(0[,]+∞) ∧ dom 𝑂 = 𝒫 ∪ dom 𝑂) ∧ (𝑂‘∅) = 0) ∧ ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥)) ∧ ∀𝑥 ∈ 𝒫 dom 𝑂(𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))))
91	85, 90	mpbird 256	1 ⊢ (𝜑 → 𝑂 ∈ OutMeas)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 396 ∧ w3a 1086 = wceq 1539 ∃wex 1782 ∈ wcel 2106 ≠ wne 2943 ∀wral 3064 Vcvv 3432 ⊆ wss 3887 ∅c0 4256 ifcif 4459 𝒫 cpw 4533 ∪ cuni 4839 ∪ ciun 4924 class class class wbr 5074 ↦ cmpt 5157 dom cdm 5589 ↾ cres 5591 ⟶wf 6429 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 ωcom 7712 ≼ cdom 8731 0cc0 10871 +∞cpnf 11006 ≤ cle 11010 ℕcn 11973 [,]cicc 13082 Σ^{^}csumge0 43900 OutMeascome 44027

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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-xadd 12849 df-ico 13085 df-icc 13086 df-fz 13240 df-fzo 13383 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-clim 15197 df-sum 15398 df-sumge0 43901 df-ome 44028

This theorem is referenced by: ovnome 44111

W3C validator