isomennd - Mathbox for Glauco Siliprandi

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Theorem isomennd 47485

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 23	. . . . . 6 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → 𝑂:𝒫 𝑋⟶(0[,]+∞))
3		fdm 6711	. . . . . . 7 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → dom 𝑂 = 𝒫 𝑋)
4	3	feq2d 6685	. . . . . 6 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → (𝑂:dom 𝑂⟶(0[,]+∞) ↔ 𝑂:𝒫 𝑋⟶(0[,]+∞)))
5	2, 4	mpbird 260	. . . . 5 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → 𝑂:dom 𝑂⟶(0[,]+∞))
6	1, 5	syl 18	. . . 4 ⊢ (𝜑 → 𝑂:dom 𝑂⟶(0[,]+∞))
7		unipw 5418	. . . . . . 7 ⊢ ∪ 𝒫 𝑋 = 𝑋
8	7	pweqi 4573	. . . . . 6 ⊢ 𝒫 ∪ 𝒫 𝑋 = 𝒫 𝑋
9	8	a1i 11	. . . . 5 ⊢ (𝜑 → 𝒫 ∪ 𝒫 𝑋 = 𝒫 𝑋)
10	1, 3	syl 18	. . . . . . 7 ⊢ (𝜑 → dom 𝑂 = 𝒫 𝑋)
11	10	unieqd 4880	. . . . . 6 ⊢ (𝜑 → ∪ dom 𝑂 = ∪ 𝒫 𝑋)
12	11	pweqd 4574	. . . . 5 ⊢ (𝜑 → 𝒫 ∪ dom 𝑂 = 𝒫 ∪ 𝒫 𝑋)
13	9, 12, 10	3eqtr4rd 2807	. . . 4 ⊢ (𝜑 → dom 𝑂 = 𝒫 ∪ dom 𝑂)
14		isomennd.o0	. . . 4 ⊢ (𝜑 → (𝑂‘∅) = 0)
15	6, 13, 14	jca31 524	. . 3 ⊢ (𝜑 → ((𝑂:dom 𝑂⟶(0[,]+∞) ∧ dom 𝑂 = 𝒫 ∪ dom 𝑂) ∧ (𝑂‘∅) = 0))
16		simpl 488	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → 𝜑)
17		simpr 490	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ∈ 𝒫 ∪ dom 𝑂)
18	12, 9	eqtrd 2796	. . . . . . . . 9 ⊢ (𝜑 → 𝒫 ∪ dom 𝑂 = 𝒫 𝑋)
19	18	adantr 486	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝒫 ∪ dom 𝑂 = 𝒫 𝑋)
20	17, 19	eleqtrd 2863	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ∈ 𝒫 𝑋)
21		elpwi 4564	. . . . . . 7 ⊢ (𝑥 ∈ 𝒫 𝑋 → 𝑥 ⊆ 𝑋)
22	20, 21	syl 18	. . . . . 6 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ⊆ 𝑋)
23	22	adantrr 730	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → 𝑥 ⊆ 𝑋)
24		elpwi 4564	. . . . . . 7 ⊢ (𝑦 ∈ 𝒫 𝑥 → 𝑦 ⊆ 𝑥)
25	24	adantl 487	. . . . . 6 ⊢ ((𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥) → 𝑦 ⊆ 𝑥)
26	25	adantl 487	. . . . 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 1398	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → (𝑂‘𝑦) ≤ (𝑂‘𝑥))
29	28	ralrimivva 3206	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥))
30		0le0 12425	. . . . . . . . 9 ⊢ 0 ≤ 0
31	30	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 = ∅) → 0 ≤ 0)
32		unieq 4878	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∪ ∅)
33		uni0 4896	. . . . . . . . . . . . . 14 ⊢ ∪ ∅ = ∅
34	33	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ ∅ = ∅)
35	32, 34	eqtrd 2796	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∅)
36	35	fveq2d 6881	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (𝑂‘∪ 𝑥) = (𝑂‘∅))
37	36	adantl 487	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) = (𝑂‘∅))
38	14	adantr 486	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∅) = 0)
39	37, 38	eqtrd 2796	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) = 0)
40		reseq2 5965	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = (𝑂 ↾ ∅))
41		res0 5974	. . . . . . . . . . . . . 14 ⊢ (𝑂 ↾ ∅) = ∅
42	41	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ ∅) = ∅)
43	40, 42	eqtrd 2796	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = ∅)
44	43	fveq2d 6881	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = (Σ^{^}‘∅))
45		sge00 47330	. . . . . . . . . . . 12 ⊢ (Σ^{^}‘∅) = 0
46	45	a1i 11	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘∅) = 0)
47	44, 46	eqtrd 2796	. . . . . . . . . 10 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
48	47	adantl 487	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
49	39, 48	breq12d 5116	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 = ∅) → ((𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)) ↔ 0 ≤ 0))
50	31, 49	mpbird 260	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
51	50	ad4ant14 765	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
52		simpl 488	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω))
53		neqne 2964	. . . . . . . 8 ⊢ (¬ 𝑥 = ∅ → 𝑥 ≠ ∅)
54	53	adantl 487	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → 𝑥 ≠ ∅)
55		ssnnf1octb 46152	. . . . . . . . 9 ⊢ ((𝑥 ≼ ω ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥))
56	55	adantll 727	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥))
57	1	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → 𝑂:𝒫 𝑋⟶(0[,]+∞))
58	14	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → (𝑂‘∅) = 0)
59		simpr 490	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 dom 𝑂)
60	10	pweqd 4574	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝒫 dom 𝑂 = 𝒫 𝒫 𝑋)
61	60	adantr 486	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝒫 dom 𝑂 = 𝒫 𝒫 𝑋)
62	59, 61	eleqtrd 2863	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 𝒫 𝑋)
63		elpwi 4564	. . . . . . . . . . . . . 14 ⊢ (𝑥 ∈ 𝒫 𝒫 𝑋 → 𝑥 ⊆ 𝒫 𝑋)
64	62, 63	syl 18	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ⊆ 𝒫 𝑋)
65	64	adantr 486	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → 𝑥 ⊆ 𝒫 𝑋)
66		simpl 488	. . . . . . . . . . . . . 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 592	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑎:ℕ⟶𝒫 𝑋) → (𝑂‘∪ 𝑛 ∈ ℕ (𝑎‘𝑛)) ≤ (Σ^{^}‘(𝑛 ∈ ℕ ↦ (𝑂‘(𝑎‘𝑛)))))
69	68	adantlr 728	. . . . . . . . . . . 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 783	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → dom 𝑓 ⊆ ℕ)
71		simprr 785	. . . . . . . . . . . 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 2844	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑚 ∈ dom 𝑓 ↔ 𝑛 ∈ dom 𝑓))
73		fveq2 6877	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑓‘𝑚) = (𝑓‘𝑛))
74	72, 73	ifbieq1d 4507	. . . . . . . . . . . . 13 ⊢ (𝑚 = 𝑛 → if(𝑚 ∈ dom 𝑓, (𝑓‘𝑚), ∅) = if(𝑛 ∈ dom 𝑓, (𝑓‘𝑛), ∅))
75	74	cbvmptv 5209	. . . . . . . . . . . 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 47484	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥)) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
77	76	ex 418	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → ((dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓–1-1-onto→𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
78	77	ad2antrr 739	. . . . . . . . 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 1966	. . . . . . . 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 16	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
81	52, 54, 80	syl2anc 596	. . . . . 6 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
82	51, 81	pm2.61dan 825	. . . . 5 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
83	82	ex 418	. . . 4 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → (𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
84	83	ralrimiva 3155	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝒫 dom 𝑂(𝑥 ≼ ω → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
85	15, 29, 84	jca31 524	. 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 5341	. . . 4 ⊢ (𝜑 → 𝒫 𝑋 ∈ V)
88	1, 87	fexd 7225	. . 3 ⊢ (𝜑 → 𝑂 ∈ V)
89		isome 47448	. . 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 18	. 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 260	1 ⊢ (𝜑 → 𝑂 ∈ OutMeas)

Colors of variables: wff setvar class

This proof depends on syntax axioms: ¬ wn 3 → wi 4 ↔ wb 209 ∧ wa 401 ∧ w3a 1103 = wceq 1570 ∃wex 1812 ∈ wcel 2145 ≠ wne 2956 ∀wral 3077 Vcvv 3451 ⊆ wss 3899 ∅c0 4279 ifcif 4482 𝒫 cpw 4557 ∪ cuni 4867 ∪ ciun 4951 class class class wbr 5103 ↦ cmpt 5186 dom cdm 5651 ↾ cres 5653 ⟶wf 6527 –1-1-onto→wf1o 6530 ‘cfv 6531 (class class class)co 7412 ωcom 7866 ≼ cdom 8955 0cc0 11181 +∞cpnf 11321 ≤ cle 11325 ℕcn 12316 [,]cicc 13460 Σ^{^}csumge0 47316 OutMeascome 47443

This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7740 ax-inf2 9626 ax-cnex 11237 ax-resscn 11238 ax-1cn 11239 ax-icn 11240 ax-addcl 11241 ax-addrcl 11242 ax-mulcl 11243 ax-mulrcl 11244 ax-mulcom 11245 ax-addass 11246 ax-mulass 11247 ax-distr 11248 ax-i2m1 11249 ax-1ne0 11250 ax-1rid 11251 ax-rnegex 11252 ax-rrecex 11253 ax-cnre 11254 ax-pre-lttri 11255 ax-pre-lttrn 11256 ax-pre-ltadd 11257 ax-pre-mulgt0 11258 ax-pre-sup 11259

This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-se 5605 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 df-pred 6297 df-ord 6358 df-on 6359 df-lim 6360 df-suc 6361 df-iota 6487 df-fun 6533 df-fn 6534 df-f 6535 df-f1 6536 df-fo 6537 df-f1o 6538 df-fv 6539 df-isom 6540 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-om 7867 df-1st 7990 df-2nd 7991 df-frecs 8283 df-wrecs 8314 df-recs 8363 df-rdg 8402 df-1o 8460 df-er 8701 df-en 8958 df-dom 8959 df-sdom 8960 df-fin 8961 df-sup 9418 df-oi 9488 df-card 10001 df-pnf 11326 df-mnf 11327 df-xr 11328 df-ltxr 11329 df-le 11330 df-sub 11524 df-neg 11525 df-div 11955 df-nn 12317 df-2 12386 df-3 12387 df-n0 12588 df-z 12675 df-uz 12947 df-rp 13102 df-xadd 13223 df-ico 13463 df-icc 13464 df-fz 13621 df-fzo 13769 df-seq 14125 df-exp 14185 df-hash 14455 df-cj 15246 df-re 15247 df-im 15248 df-sqrt 15382 df-abs 15383 df-clim 15635 df-sum 15834 df-sumge0 47317 df-ome 47444

This theorem is used by: ovnome 47527

W3C validator