isomennd - Mathbox for Glauco Siliprandi

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Theorem isomennd 47746

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 6741	. . . . . . 7 ⊢ (𝑂:𝒫 𝑋⟶(0[,]+∞) → dom 𝑂 = 𝒫 𝑋)
4	3	feq2d 6715	. . . . . 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 5422	. . . . . . 7 ⊢ ∪ 𝒫 𝑋 = 𝑋
8	7	pweqi 4576	. . . . . 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 4883	. . . . . 6 ⊢ (𝜑 → ∪ dom 𝑂 = ∪ 𝒫 𝑋)
12	11	pweqd 4577	. . . . 5 ⊢ (𝜑 → 𝒫 ∪ dom 𝑂 = 𝒫 ∪ 𝒫 𝑋)
13	9, 12, 10	3eqtr4rd 2809	. . . 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 2798	. . . . . . . . 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 2866	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 ∪ dom 𝑂) → 𝑥 ∈ 𝒫 𝑋)
21		elpwi 4567	. . . . . . 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 4567	. . . . . . 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 1399	. . . 4 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝒫 ∪ dom 𝑂 ∧ 𝑦 ∈ 𝒫 𝑥)) → (𝑂‘𝑦) ≤ (𝑂‘𝑥))
29	28	ralrimivva 3209	. . 3 ⊢ (𝜑 → ∀𝑥 ∈ 𝒫 ∪ dom 𝑂∀𝑦 ∈ 𝒫 𝑥(𝑂‘𝑦) ≤ (𝑂‘𝑥))
30		0le0 12471	. . . . . . . . 9 ⊢ 0 ≤ 0
31	30	a1i 11	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑥 = ∅) → 0 ≤ 0)
32		unieq 4881	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∪ ∅)
33		uni0 4899	. . . . . . . . . . . . . 14 ⊢ ∪ ∅ = ∅
34	33	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ∪ ∅ = ∅)
35	32, 34	eqtrd 2798	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → ∪ 𝑥 = ∅)
36	35	fveq2d 6912	. . . . . . . . . . 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 2798	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (𝑂‘∪ 𝑥) = 0)
40		reseq2 5976	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = (𝑂 ↾ ∅))
41		res0 5985	. . . . . . . . . . . . . 14 ⊢ (𝑂 ↾ ∅) = ∅
42	41	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → (𝑂 ↾ ∅) = ∅)
43	40, 42	eqtrd 2798	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → (𝑂 ↾ 𝑥) = ∅)
44	43	fveq2d 6912	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = (Σ^{^}‘∅))
45		sge00 47591	. . . . . . . . . . . 12 ⊢ (Σ^{^}‘∅) = 0
46	45	a1i 11	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → (Σ^{^}‘∅) = 0)
47	44, 46	eqtrd 2798	. . . . . . . . . 10 ⊢ (𝑥 = ∅ → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
48	47	adantl 487	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑥 = ∅) → (Σ^{^}‘(𝑂 ↾ 𝑥)) = 0)
49	39, 48	breq12d 5119	. . . . . . . 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 2967	. . . . . . . 8 ⊢ (¬ 𝑥 = ∅ → 𝑥 ≠ ∅)
54	53	adantl 487	. . . . . . 7 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ ¬ 𝑥 = ∅) → 𝑥 ≠ ∅)
55		ssnnf1octb 46414	. . . . . . . . 9 ⊢ ((𝑥 ≼ ω ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥))
56	55	adantll 727	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → ∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥))
57	1	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥)) → 𝑂:𝒫 𝑋⟶(0[,]+∞))
58	14	ad2antrr 739	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥)) → (𝑂‘∅) = 0)
59		simpr 490	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 dom 𝑂)
60	10	pweqd 4577	. . . . . . . . . . . . . . . 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 2866	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → 𝑥 ∈ 𝒫 𝒫 𝑋)
63		elpwi 4567	. . . . . . . . . . . . . 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⟶1-1onto𝑥)) → 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⟶1-1onto𝑥)) ∧ 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⟶1-1onto𝑥)) → dom 𝑓 ⊆ ℕ)
71		simprr 785	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥)) → 𝑓:dom 𝑓⟶1-1onto𝑥)
72		eleq1w 2847	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑚 ∈ dom 𝑓 ↔ 𝑛 ∈ dom 𝑓))
73		fveq2 6908	. . . . . . . . . . . . . 14 ⊢ (𝑚 = 𝑛 → (𝑓‘𝑚) = (𝑓‘𝑛))
74	72, 73	ifbieq1d 4510	. . . . . . . . . . . . 13 ⊢ (𝑚 = 𝑛 → if(𝑚 ∈ dom 𝑓, (𝑓‘𝑚), ∅) = if(𝑛 ∈ dom 𝑓, (𝑓‘𝑛), ∅))
75	74	cbvmptv 5212	. . . . . . . . . . . 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 47745	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ (dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥)) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥)))
77	76	ex 418	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) → ((dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
78	77	ad2antrr 739	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → ((dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥) → (𝑂‘∪ 𝑥) ≤ (Σ^{^}‘(𝑂 ↾ 𝑥))))
79	78	exlimdv 1968	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝒫 dom 𝑂) ∧ 𝑥 ≼ ω) ∧ 𝑥 ≠ ∅) → (∃𝑓(dom 𝑓 ⊆ ℕ ∧ 𝑓:dom 𝑓⟶1-1onto𝑥) → (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 3158	. . 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 5345	. . . 4 ⊢ (𝜑 → 𝒫 𝑋 ∈ V)
88	1, 87	fexd 7256	. . 3 ⊢ (𝜑 → 𝑂 ∈ V)
89		isome 47709	. . 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 2147 ≠ wne 2959 ∀wral 3080 Vcvv 3454 ⊆ wss 3900 ∅c0 4281 ifcif 4485 𝒫 cpw 4560 ∪ cuni 4870 ∪ ciun 4954 class class class wbr 5106 ↦ cmpt 5189 dom cdm 5655 ↾ cres 5657 ⟶wf 6554 ⟶1-1ontowf1o 6557 ‘cfv 6558 (class class class)co 7443 ωcom 7901 ≼ cdom 8999 0cc0 11227 +∞cpnf 11367 ≤ cle 11371 ℕcn 12362 [,]cicc 13506 Σ^{^}csumge0 47577 OutMeascome 47704

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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-inf2 9669 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 ax-pre-sup 11305

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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-isom 6567 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-1o 8504 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-fin 9005 df-sup 9461 df-oi 9531 df-card 10047 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-2 12432 df-3 12433 df-n0 12634 df-z 12721 df-uz 12993 df-rp 13148 df-xadd 13269 df-ico 13509 df-icc 13510 df-fz 13667 df-fzo 13816 df-seq 14172 df-exp 14232 df-hash 14502 df-cj 15295 df-re 15296 df-im 15297 df-sqrt 15431 df-abs 15432 df-clim 15684 df-sum 15883 df-sumge0 47578 df-ome 47705

This theorem is used by: ovnome 47788

W3C validator