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Theorem mudivsum 25639

Description: Asymptotic formula for Σ𝑛 ≤ 𝑥, μ(𝑛) / 𝑛 = 𝑂(1). Equation 10.2.1 of [Shapiro], p. 405. (Contributed by Mario Carneiro, 14-May-2016.)

**Assertion**
Ref	Expression
mudivsum	⊢ (𝑥 ∈ ℝ⁺ ↦ Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ∈ 𝑂(1)

Distinct variable group: 𝑥,𝑛

Proof of Theorem mudivsum Dummy variables 𝑘 𝑚 𝑦 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		1red 10364	. . 3 ⊢ (⊤ → 1 ∈ ℝ)
2		reex 10350	. . . . . . 7 ⊢ ℝ ∈ V
3		rpssre 12126	. . . . . . 7 ⊢ ℝ⁺ ⊆ ℝ
4	2, 3	ssexi 5030	. . . . . 6 ⊢ ℝ⁺ ∈ V
5	4	a1i 11	. . . . 5 ⊢ (⊤ → ℝ⁺ ∈ V)
6		fzfid 13074	. . . . . . . 8 ⊢ (𝑥 ∈ ℝ⁺ → (1...(⌊‘𝑥)) ∈ Fin)
7		rpre 12127	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ∈ ℝ)
8		elfznn 12670	. . . . . . . . . . . 12 ⊢ (𝑛 ∈ (1...(⌊‘𝑥)) → 𝑛 ∈ ℕ)
9		nndivre 11399	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ ∧ 𝑛 ∈ ℕ) → (𝑥 / 𝑛) ∈ ℝ)
10	7, 8, 9	syl2an 589	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℝ)
11	10	recnd 10392	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℂ)
12		reflcl 12899	. . . . . . . . . . . 12 ⊢ ((𝑥 / 𝑛) ∈ ℝ → (⌊‘(𝑥 / 𝑛)) ∈ ℝ)
13	10, 12	syl 17	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (⌊‘(𝑥 / 𝑛)) ∈ ℝ)
14	13	recnd 10392	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (⌊‘(𝑥 / 𝑛)) ∈ ℂ)
15	11, 14	subcld 10720	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) ∈ ℂ)
16	8	adantl 475	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℕ)
17		mucl 25287	. . . . . . . . . . 11 ⊢ (𝑛 ∈ ℕ → (μ‘𝑛) ∈ ℤ)
18	16, 17	syl 17	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (μ‘𝑛) ∈ ℤ)
19	18	zcnd 11818	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (μ‘𝑛) ∈ ℂ)
20	15, 19	mulcld 10384	. . . . . . . 8 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) ∈ ℂ)
21	6, 20	fsumcl 14848	. . . . . . 7 ⊢ (𝑥 ∈ ℝ⁺ → Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) ∈ ℂ)
22		rpcn 12131	. . . . . . 7 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ∈ ℂ)
23		rpne0 12137	. . . . . . 7 ⊢ (𝑥 ∈ ℝ⁺ → 𝑥 ≠ 0)
24	21, 22, 23	divcld 11134	. . . . . 6 ⊢ (𝑥 ∈ ℝ⁺ → (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) ∈ ℂ)
25	24	adantl 475	. . . . 5 ⊢ ((⊤ ∧ 𝑥 ∈ ℝ⁺) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) ∈ ℂ)
26		ovexd 6944	. . . . 5 ⊢ ((⊤ ∧ 𝑥 ∈ ℝ⁺) → (1 / 𝑥) ∈ V)
27		eqidd 2826	. . . . 5 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) = (𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)))
28		eqidd 2826	. . . . 5 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) = (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)))
29	5, 25, 26, 27, 28	offval2 7179	. . . 4 ⊢ (⊤ → ((𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ∘_𝑓 + (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥))) = (𝑥 ∈ ℝ⁺ ↦ ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))))
30	3	a1i 11	. . . . . 6 ⊢ (⊤ → ℝ⁺ ⊆ ℝ)
31	21	adantr 474	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) ∈ ℂ)
32	22	adantr 474	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 𝑥 ∈ ℂ)
33	23	adantr 474	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 𝑥 ≠ 0)
34	31, 32, 33	absdivd 14578	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) = ((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / (abs‘𝑥)))
35		rprege0 12136	. . . . . . . . . . . 12 ⊢ (𝑥 ∈ ℝ⁺ → (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥))
36		absid 14420	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ ∧ 0 ≤ 𝑥) → (abs‘𝑥) = 𝑥)
37	35, 36	syl 17	. . . . . . . . . . 11 ⊢ (𝑥 ∈ ℝ⁺ → (abs‘𝑥) = 𝑥)
38	37	adantr 474	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘𝑥) = 𝑥)
39	38	oveq2d 6926	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / (abs‘𝑥)) = ((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / 𝑥))
40	34, 39	eqtrd 2861	. . . . . . . 8 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) = ((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / 𝑥))
41	31	abscld 14559	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ∈ ℝ)
42		fzfid 13074	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (1...(⌊‘𝑥)) ∈ Fin)
43	20	adantlr 706	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) ∈ ℂ)
44	43	abscld 14559	. . . . . . . . . . . 12 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ∈ ℝ)
45	42, 44	fsumrecl 14849	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ∈ ℝ)
46	7	adantr 474	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 𝑥 ∈ ℝ)
47	42, 43	fsumabs 14914	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))))
48		reflcl 12899	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℝ → (⌊‘𝑥) ∈ ℝ)
49	46, 48	syl 17	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ ℝ)
50		1red 10364	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 1 ∈ ℝ)
51	15	adantlr 706	. . . . . . . . . . . . . . . 16 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) ∈ ℂ)
52		elfznn 12670	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝑘 ∈ (1...(⌊‘𝑥)) → 𝑘 ∈ ℕ)
53	52	ssriv 3831	. . . . . . . . . . . . . . . . . . . 20 ⊢ (1...(⌊‘𝑥)) ⊆ ℕ
54	53	a1i 11	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (1...(⌊‘𝑥)) ⊆ ℕ)
55	54	sselda 3827	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℕ)
56	55, 17	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (μ‘𝑛) ∈ ℤ)
57	56	zcnd 11818	. . . . . . . . . . . . . . . 16 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (μ‘𝑛) ∈ ℂ)
58	51, 57	absmuld 14577	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) = ((abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) · (abs‘(μ‘𝑛))))
59	51	abscld 14559	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) ∈ ℝ)
60	57	abscld 14559	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(μ‘𝑛)) ∈ ℝ)
61	51	absge0d 14567	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))))
62	57	absge0d 14567	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (abs‘(μ‘𝑛)))
63		simpl 476	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 𝑥 ∈ ℝ⁺)
64	8	nnrpd 12161	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑛 ∈ (1...(⌊‘𝑥)) → 𝑛 ∈ ℝ⁺)
65		rpdivcl 12146	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ ℝ⁺) → (𝑥 / 𝑛) ∈ ℝ⁺)
66	63, 64, 65	syl2an 589	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℝ⁺)
67	3, 66	sseldi 3825	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℝ)
68	67, 12	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (⌊‘(𝑥 / 𝑛)) ∈ ℝ)
69		flle 12902	. . . . . . . . . . . . . . . . . . . 20 ⊢ ((𝑥 / 𝑛) ∈ ℝ → (⌊‘(𝑥 / 𝑛)) ≤ (𝑥 / 𝑛))
70	67, 69	syl 17	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (⌊‘(𝑥 / 𝑛)) ≤ (𝑥 / 𝑛))
71	68, 67, 70	abssubge0d 14554	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) = ((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))))
72		fracle1 12906	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑥 / 𝑛) ∈ ℝ → ((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) ≤ 1)
73	67, 72	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) ≤ 1)
74	71, 73	eqbrtrd 4897	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) ≤ 1)
75		mule1 25294	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑛 ∈ ℕ → (abs‘(μ‘𝑛)) ≤ 1)
76	55, 75	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(μ‘𝑛)) ≤ 1)
77	59, 50, 60, 50, 61, 62, 74, 76	lemul12ad 11303	. . . . . . . . . . . . . . . 16 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) · (abs‘(μ‘𝑛))) ≤ (1 · 1))
78		1t1e1 11527	. . . . . . . . . . . . . . . 16 ⊢ (1 · 1) = 1
79	77, 78	syl6breq 4916	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((abs‘((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛)))) · (abs‘(μ‘𝑛))) ≤ 1)
80	58, 79	eqbrtrd 4897	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ 1)
81	42, 44, 50, 80	fsumle 14912	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))1)
82		1cnd 10358	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 1 ∈ ℂ)
83		fsumconst 14903	. . . . . . . . . . . . . . 15 ⊢ (((1...(⌊‘𝑥)) ∈ Fin ∧ 1 ∈ ℂ) → Σ𝑛 ∈ (1...(⌊‘𝑥))1 = ((♯‘(1...(⌊‘𝑥))) · 1))
84	42, 82, 83	syl2anc 579	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))1 = ((♯‘(1...(⌊‘𝑥))) · 1))
85		flge1nn 12924	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑥 ∈ ℝ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ ℕ)
86	7, 85	sylan 575	. . . . . . . . . . . . . . . . 17 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ ℕ)
87	86	nnnn0d 11685	. . . . . . . . . . . . . . . 16 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ ℕ₀)
88		hashfz1 13433	. . . . . . . . . . . . . . . 16 ⊢ ((⌊‘𝑥) ∈ ℕ₀ → (♯‘(1...(⌊‘𝑥))) = (⌊‘𝑥))
89	87, 88	syl 17	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (♯‘(1...(⌊‘𝑥))) = (⌊‘𝑥))
90	89	oveq1d 6925	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((♯‘(1...(⌊‘𝑥))) · 1) = ((⌊‘𝑥) · 1))
91	49	recnd 10392	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ ℂ)
92	91	mulid1d 10381	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((⌊‘𝑥) · 1) = (⌊‘𝑥))
93	84, 90, 92	3eqtrd 2865	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))1 = (⌊‘𝑥))
94	81, 93	breqtrd 4901	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ (⌊‘𝑥))
95		flle 12902	. . . . . . . . . . . . 13 ⊢ (𝑥 ∈ ℝ → (⌊‘𝑥) ≤ 𝑥)
96	46, 95	syl 17	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ≤ 𝑥)
97	45, 49, 46, 94, 96	letrd 10520	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ 𝑥)
98	41, 45, 46, 47, 97	letrd 10520	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ 𝑥)
99	32	mulid1d 10381	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (𝑥 · 1) = 𝑥)
100	98, 99	breqtrrd 4903	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ (𝑥 · 1))
101		1red 10364	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 1 ∈ ℝ)
102	41, 101, 63	ledivmuld 12216	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / 𝑥) ≤ 1 ↔ (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) ≤ (𝑥 · 1)))
103	100, 102	mpbird 249	. . . . . . . 8 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛))) / 𝑥) ≤ 1)
104	40, 103	eqbrtrd 4897	. . . . . . 7 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ≤ 1)
105	104	adantl 475	. . . . . 6 ⊢ ((⊤ ∧ (𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ≤ 1)
106	30, 25, 1, 1, 105	elo1d 14651	. . . . 5 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ∈ 𝑂(1))
107		ax-1cn 10317	. . . . . . 7 ⊢ 1 ∈ ℂ
108		divrcnv 14965	. . . . . . 7 ⊢ (1 ∈ ℂ → (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ⇝_𝑟 0)
109	107, 108	ax-mp 5	. . . . . 6 ⊢ (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ⇝_𝑟 0
110		rlimo1 14731	. . . . . 6 ⊢ ((𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ⇝_𝑟 0 → (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ∈ 𝑂(1))
111	109, 110	mp1i 13	. . . . 5 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ∈ 𝑂(1))
112		o1add 14728	. . . . 5 ⊢ (((𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ∈ 𝑂(1) ∧ (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥)) ∈ 𝑂(1)) → ((𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ∘_𝑓 + (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥))) ∈ 𝑂(1))
113	106, 111, 112	syl2anc 579	. . . 4 ⊢ (⊤ → ((𝑥 ∈ ℝ⁺ ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥)) ∘_𝑓 + (𝑥 ∈ ℝ⁺ ↦ (1 / 𝑥))) ∈ 𝑂(1))
114	29, 113	eqeltrrd 2907	. . 3 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))) ∈ 𝑂(1))
115		ovexd 6944	. . 3 ⊢ ((⊤ ∧ 𝑥 ∈ ℝ⁺) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥)) ∈ V)
116	18	zred 11817	. . . . . . 7 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (μ‘𝑛) ∈ ℝ)
117	116, 16	nndivred 11412	. . . . . 6 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((μ‘𝑛) / 𝑛) ∈ ℝ)
118	117	recnd 10392	. . . . 5 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((μ‘𝑛) / 𝑛) ∈ ℂ)
119	6, 118	fsumcl 14848	. . . 4 ⊢ (𝑥 ∈ ℝ⁺ → Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛) ∈ ℂ)
120	119	adantl 475	. . 3 ⊢ ((⊤ ∧ 𝑥 ∈ ℝ⁺) → Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛) ∈ ℂ)
121	119	adantr 474	. . . . . 6 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛) ∈ ℂ)
122	121	abscld 14559	. . . . 5 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ∈ ℝ)
123	118	adantlr 706	. . . . . . . . . 10 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((μ‘𝑛) / 𝑛) ∈ ℂ)
124	42, 32, 123	fsummulc2 14897	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) = Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑥 · ((μ‘𝑛) / 𝑛)))
125	14, 19	mulcld 10384	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)) ∈ ℂ)
126	125	adantlr 706	. . . . . . . . . . 11 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)) ∈ ℂ)
127	42, 43, 126	fsumadd 14854	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))) = (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + Σ𝑛 ∈ (1...(⌊‘𝑥))((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))))
128	11	adantlr 706	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℂ)
129	14	adantlr 706	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (⌊‘(𝑥 / 𝑛)) ∈ ℂ)
130	128, 129	npcand 10724	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) + (⌊‘(𝑥 / 𝑛))) = (𝑥 / 𝑛))
131	130	oveq1d 6925	. . . . . . . . . . . 12 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) + (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) = ((𝑥 / 𝑛) · (μ‘𝑛)))
132	51, 129, 57	adddird 10389	. . . . . . . . . . . 12 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) + (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) = ((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))))
133	32	adantr 474	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑥 ∈ ℂ)
134	55	nnrpd 12161	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℝ⁺)
135		rpcnne0 12139	. . . . . . . . . . . . . 14 ⊢ (𝑛 ∈ ℝ⁺ → (𝑛 ∈ ℂ ∧ 𝑛 ≠ 0))
136	134, 135	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 ∈ ℂ ∧ 𝑛 ≠ 0))
137		div23 11036	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℂ ∧ (μ‘𝑛) ∈ ℂ ∧ (𝑛 ∈ ℂ ∧ 𝑛 ≠ 0)) → ((𝑥 · (μ‘𝑛)) / 𝑛) = ((𝑥 / 𝑛) · (μ‘𝑛)))
138		divass 11035	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℂ ∧ (μ‘𝑛) ∈ ℂ ∧ (𝑛 ∈ ℂ ∧ 𝑛 ≠ 0)) → ((𝑥 · (μ‘𝑛)) / 𝑛) = (𝑥 · ((μ‘𝑛) / 𝑛)))
139	137, 138	eqtr3d 2863	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℂ ∧ (μ‘𝑛) ∈ ℂ ∧ (𝑛 ∈ ℂ ∧ 𝑛 ≠ 0)) → ((𝑥 / 𝑛) · (μ‘𝑛)) = (𝑥 · ((μ‘𝑛) / 𝑛)))
140	133, 57, 136, 139	syl3anc 1494	. . . . . . . . . . . 12 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑥 / 𝑛) · (μ‘𝑛)) = (𝑥 · ((μ‘𝑛) / 𝑛)))
141	131, 132, 140	3eqtr3d 2869	. . . . . . . . . . 11 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))) = (𝑥 · ((μ‘𝑛) / 𝑛)))
142	141	sumeq2dv 14817	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))((((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))) = Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑥 · ((μ‘𝑛) / 𝑛)))
143		eqidd 2826	. . . . . . . . . . . . 13 ⊢ (𝑘 = (𝑛 · 𝑚) → (μ‘𝑛) = (μ‘𝑛))
144		ssrab2 3914	. . . . . . . . . . . . . . . 16 ⊢ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} ⊆ ℕ
145		simprr 789	. . . . . . . . . . . . . . . 16 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ (𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘})) → 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘})
146	144, 145	sseldi 3825	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ (𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘})) → 𝑛 ∈ ℕ)
147	146, 17	syl 17	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ (𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘})) → (μ‘𝑛) ∈ ℤ)
148	147	zcnd 11818	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ (𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘})) → (μ‘𝑛) ∈ ℂ)
149	143, 46, 148	dvdsflsumcom 25334	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑘 ∈ (1...(⌊‘𝑥))Σ𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} (μ‘𝑛) = Σ𝑛 ∈ (1...(⌊‘𝑥))Σ𝑚 ∈ (1...(⌊‘(𝑥 / 𝑛)))(μ‘𝑛))
150	148	3impb 1147	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘}) → (μ‘𝑛) ∈ ℂ)
151	150	mulid1d 10381	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑘 ∈ (1...(⌊‘𝑥)) ∧ 𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘}) → ((μ‘𝑛) · 1) = (μ‘𝑛))
152	151	2sumeq2dv 14820	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑘 ∈ (1...(⌊‘𝑥))Σ𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} ((μ‘𝑛) · 1) = Σ𝑘 ∈ (1...(⌊‘𝑥))Σ𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} (μ‘𝑛))
153		eqidd 2826	. . . . . . . . . . . . . 14 ⊢ (𝑘 = 1 → 1 = 1)
154		nnuz 12012	. . . . . . . . . . . . . . . 16 ⊢ ℕ = (ℤ_≥‘1)
155	86, 154	syl6eleq 2916	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (⌊‘𝑥) ∈ (ℤ_≥‘1))
156		eluzfz1 12648	. . . . . . . . . . . . . . 15 ⊢ ((⌊‘𝑥) ∈ (ℤ_≥‘1) → 1 ∈ (1...(⌊‘𝑥)))
157	155, 156	syl 17	. . . . . . . . . . . . . 14 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → 1 ∈ (1...(⌊‘𝑥)))
158		1cnd 10358	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑘 ∈ (1...(⌊‘𝑥))) → 1 ∈ ℂ)
159	153, 42, 54, 157, 158	musumsum 25338	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑘 ∈ (1...(⌊‘𝑥))Σ𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} ((μ‘𝑛) · 1) = 1)
160	152, 159	eqtr3d 2863	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑘 ∈ (1...(⌊‘𝑥))Σ𝑛 ∈ {𝑦 ∈ ℕ ∣ 𝑦 ∥ 𝑘} (μ‘𝑛) = 1)
161		fzfid 13074	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (1...(⌊‘(𝑥 / 𝑛))) ∈ Fin)
162		fsumconst 14903	. . . . . . . . . . . . . . 15 ⊢ (((1...(⌊‘(𝑥 / 𝑛))) ∈ Fin ∧ (μ‘𝑛) ∈ ℂ) → Σ𝑚 ∈ (1...(⌊‘(𝑥 / 𝑛)))(μ‘𝑛) = ((♯‘(1...(⌊‘(𝑥 / 𝑛)))) · (μ‘𝑛)))
163	161, 57, 162	syl2anc 579	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → Σ𝑚 ∈ (1...(⌊‘(𝑥 / 𝑛)))(μ‘𝑛) = ((♯‘(1...(⌊‘(𝑥 / 𝑛)))) · (μ‘𝑛)))
164		rprege0 12136	. . . . . . . . . . . . . . . 16 ⊢ ((𝑥 / 𝑛) ∈ ℝ⁺ → ((𝑥 / 𝑛) ∈ ℝ ∧ 0 ≤ (𝑥 / 𝑛)))
165		flge0nn0 12923	. . . . . . . . . . . . . . . 16 ⊢ (((𝑥 / 𝑛) ∈ ℝ ∧ 0 ≤ (𝑥 / 𝑛)) → (⌊‘(𝑥 / 𝑛)) ∈ ℕ₀)
166		hashfz1 13433	. . . . . . . . . . . . . . . 16 ⊢ ((⌊‘(𝑥 / 𝑛)) ∈ ℕ₀ → (♯‘(1...(⌊‘(𝑥 / 𝑛)))) = (⌊‘(𝑥 / 𝑛)))
167	66, 164, 165, 166	4syl 19	. . . . . . . . . . . . . . 15 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (♯‘(1...(⌊‘(𝑥 / 𝑛)))) = (⌊‘(𝑥 / 𝑛)))
168	167	oveq1d 6925	. . . . . . . . . . . . . 14 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((♯‘(1...(⌊‘(𝑥 / 𝑛)))) · (μ‘𝑛)) = ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)))
169	163, 168	eqtrd 2861	. . . . . . . . . . . . 13 ⊢ (((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → Σ𝑚 ∈ (1...(⌊‘(𝑥 / 𝑛)))(μ‘𝑛) = ((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)))
170	169	sumeq2dv 14817	. . . . . . . . . . . 12 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))Σ𝑚 ∈ (1...(⌊‘(𝑥 / 𝑛)))(μ‘𝑛) = Σ𝑛 ∈ (1...(⌊‘𝑥))((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)))
171	149, 160, 170	3eqtr3rd 2870	. . . . . . . . . . 11 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛)) = 1)
172	171	oveq2d 6926	. . . . . . . . . 10 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + Σ𝑛 ∈ (1...(⌊‘𝑥))((⌊‘(𝑥 / 𝑛)) · (μ‘𝑛))) = (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1))
173	127, 142, 172	3eqtr3d 2869	. . . . . . . . 9 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑥 · ((μ‘𝑛) / 𝑛)) = (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1))
174	124, 173	eqtrd 2861	. . . . . . . 8 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) = (Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1))
175	174	oveq1d 6925	. . . . . . 7 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) / 𝑥) = ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1) / 𝑥))
176	121, 32, 33	divcan3d 11139	. . . . . . 7 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) / 𝑥) = Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛))
177		rpcnne0 12139	. . . . . . . . 9 ⊢ (𝑥 ∈ ℝ⁺ → (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0))
178	177	adantr 474	. . . . . . . 8 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0))
179		divdir 11042	. . . . . . . 8 ⊢ ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) ∈ ℂ ∧ 1 ∈ ℂ ∧ (𝑥 ∈ ℂ ∧ 𝑥 ≠ 0)) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1) / 𝑥) = ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥)))
180	31, 82, 178, 179	syl3anc 1494	. . . . . . 7 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) + 1) / 𝑥) = ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥)))
181	175, 176, 180	3eqtr3d 2869	. . . . . 6 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛) = ((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥)))
182	181	fveq2d 6441	. . . . 5 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) = (abs‘((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))))
183		eqle 10465	. . . . 5 ⊢ (((abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ∈ ℝ ∧ (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) = (abs‘((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥)))) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ≤ (abs‘((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))))
184	122, 182, 183	syl2anc 579	. . . 4 ⊢ ((𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ≤ (abs‘((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))))
185	184	adantl 475	. . 3 ⊢ ((⊤ ∧ (𝑥 ∈ ℝ⁺ ∧ 1 ≤ 𝑥)) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ≤ (abs‘((Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝑥 / 𝑛) − (⌊‘(𝑥 / 𝑛))) · (μ‘𝑛)) / 𝑥) + (1 / 𝑥))))
186	1, 114, 115, 120, 185	o1le 14767	. 2 ⊢ (⊤ → (𝑥 ∈ ℝ⁺ ↦ Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ∈ 𝑂(1))
187	186	mptru 1664	1 ⊢ (𝑥 ∈ ℝ⁺ ↦ Σ𝑛 ∈ (1...(⌊‘𝑥))((μ‘𝑛) / 𝑛)) ∈ 𝑂(1)

Colors of variables: wff setvar class

Syntax hints: ∧ wa 386 ∧ w3a 1111 = wceq 1656 ⊤wtru 1657 ∈ wcel 2164 ≠ wne 2999 {crab 3121 Vcvv 3414 ⊆ wss 3798 class class class wbr 4875 ↦ cmpt 4954 ‘cfv 6127 (class class class)co 6910 ∘_𝑓 cof 7160 Fincfn 8228 ℂcc 10257 ℝcr 10258 0cc0 10259 1c1 10260 + caddc 10262 · cmul 10264 ≤ cle 10399 − cmin 10592 / cdiv 11016 ℕcn 11357 ℕ₀cn0 11625 ℤcz 11711 ℤ_≥cuz 11975 ℝ⁺crp 12119 ...cfz 12626 ⌊cfl 12893 ♯chash 13417 abscabs 14358 ⇝_𝑟 crli 14600 𝑂(1)co1 14601 Σcsu 14800 ∥ cdvds 15364 μcmu 25241

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1894 ax-4 1908 ax-5 2009 ax-6 2075 ax-7 2112 ax-8 2166 ax-9 2173 ax-10 2192 ax-11 2207 ax-12 2220 ax-13 2389 ax-ext 2803 ax-rep 4996 ax-sep 5007 ax-nul 5015 ax-pow 5067 ax-pr 5129 ax-un 7214 ax-inf2 8822 ax-cnex 10315 ax-resscn 10316 ax-1cn 10317 ax-icn 10318 ax-addcl 10319 ax-addrcl 10320 ax-mulcl 10321 ax-mulrcl 10322 ax-mulcom 10323 ax-addass 10324 ax-mulass 10325 ax-distr 10326 ax-i2m1 10327 ax-1ne0 10328 ax-1rid 10329 ax-rnegex 10330 ax-rrecex 10331 ax-cnre 10332 ax-pre-lttri 10333 ax-pre-lttrn 10334 ax-pre-ltadd 10335 ax-pre-mulgt0 10336 ax-pre-sup 10337

This theorem depends on definitions: df-bi 199 df-an 387 df-or 879 df-3or 1112 df-3an 1113 df-tru 1660 df-fal 1670 df-ex 1879 df-nf 1883 df-sb 2068 df-mo 2605 df-eu 2640 df-clab 2812 df-cleq 2818 df-clel 2821 df-nfc 2958 df-ne 3000 df-nel 3103 df-ral 3122 df-rex 3123 df-reu 3124 df-rmo 3125 df-rab 3126 df-v 3416 df-sbc 3663 df-csb 3758 df-dif 3801 df-un 3803 df-in 3805 df-ss 3812 df-pss 3814 df-nul 4147 df-if 4309 df-pw 4382 df-sn 4400 df-pr 4402 df-tp 4404 df-op 4406 df-uni 4661 df-int 4700 df-iun 4744 df-disj 4844 df-br 4876 df-opab 4938 df-mpt 4955 df-tr 4978 df-id 5252 df-eprel 5257 df-po 5265 df-so 5266 df-fr 5305 df-se 5306 df-we 5307 df-xp 5352 df-rel 5353 df-cnv 5354 df-co 5355 df-dm 5356 df-rn 5357 df-res 5358 df-ima 5359 df-pred 5924 df-ord 5970 df-on 5971 df-lim 5972 df-suc 5973 df-iota 6090 df-fun 6129 df-fn 6130 df-f 6131 df-f1 6132 df-fo 6133 df-f1o 6134 df-fv 6135 df-isom 6136 df-riota 6871 df-ov 6913 df-oprab 6914 df-mpt2 6915 df-of 7162 df-om 7332 df-1st 7433 df-2nd 7434 df-wrecs 7677 df-recs 7739 df-rdg 7777 df-1o 7831 df-2o 7832 df-oadd 7835 df-er 8014 df-map 8129 df-pm 8130 df-en 8229 df-dom 8230 df-sdom 8231 df-fin 8232 df-sup 8623 df-inf 8624 df-oi 8691 df-card 9085 df-cda 9312 df-pnf 10400 df-mnf 10401 df-xr 10402 df-ltxr 10403 df-le 10404 df-sub 10594 df-neg 10595 df-div 11017 df-nn 11358 df-2 11421 df-3 11422 df-n0 11626 df-xnn0 11698 df-z 11712 df-uz 11976 df-q 12079 df-rp 12120 df-ico 12476 df-fz 12627 df-fzo 12768 df-fl 12895 df-mod 12971 df-seq 13103 df-exp 13162 df-fac 13361 df-bc 13390 df-hash 13418 df-cj 14223 df-re 14224 df-im 14225 df-sqrt 14359 df-abs 14360 df-clim 14603 df-rlim 14604 df-o1 14605 df-lo1 14606 df-sum 14801 df-dvds 15365 df-gcd 15597 df-prm 15765 df-pc 15920 df-mu 25247

This theorem is referenced by: mulogsumlem 25640 mulog2sumlem3 25645 selberglem1 25654

W3C validator