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Theorem o1fsum 14761
Description: If 𝐴(𝑘) is O(1), then Σ𝑘𝑥, 𝐴(𝑘) is O(𝑥). (Contributed by Mario Carneiro, 23-May-2016.)
Hypotheses
Ref Expression
o1fsum.1 ((𝜑𝑘 ∈ ℕ) → 𝐴𝑉)
o1fsum.2 (𝜑 → (𝑘 ∈ ℕ ↦ 𝐴) ∈ 𝑂(1))
Assertion
Ref Expression
o1fsum (𝜑 → (𝑥 ∈ ℝ+ ↦ (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ∈ 𝑂(1))
Distinct variable groups:   𝑥,𝐴   𝑥,𝑘,𝜑
Allowed substitution hints:   𝐴(𝑘)   𝑉(𝑥,𝑘)

Proof of Theorem o1fsum
Dummy variables 𝑚 𝑐 𝑛 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 o1fsum.2 . . 3 (𝜑 → (𝑘 ∈ ℕ ↦ 𝐴) ∈ 𝑂(1))
2 nnssre 11303 . . . . 5 ℕ ⊆ ℝ
32a1i 11 . . . 4 (𝜑 → ℕ ⊆ ℝ)
4 o1fsum.1 . . . . 5 ((𝜑𝑘 ∈ ℕ) → 𝐴𝑉)
54, 1o1mptrcl 14570 . . . 4 ((𝜑𝑘 ∈ ℕ) → 𝐴 ∈ ℂ)
6 1red 10320 . . . 4 (𝜑 → 1 ∈ ℝ)
73, 5, 6elo1mpt2 14483 . . 3 (𝜑 → ((𝑘 ∈ ℕ ↦ 𝐴) ∈ 𝑂(1) ↔ ∃𝑐 ∈ (1[,)+∞)∃𝑚 ∈ ℝ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)))
81, 7mpbid 223 . 2 (𝜑 → ∃𝑐 ∈ (1[,)+∞)∃𝑚 ∈ ℝ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚))
9 rpssre 12051 . . . . . 6 + ⊆ ℝ
109a1i 11 . . . . 5 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → ℝ+ ⊆ ℝ)
11 nfcv 2944 . . . . . . . 8 𝑛𝐴
12 nfcsb1v 3738 . . . . . . . 8 𝑘𝑛 / 𝑘𝐴
13 csbeq1a 3731 . . . . . . . 8 (𝑘 = 𝑛𝐴 = 𝑛 / 𝑘𝐴)
1411, 12, 13cbvsumi 14644 . . . . . . 7 Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 = Σ𝑛 ∈ (1...(⌊‘𝑥))𝑛 / 𝑘𝐴
15 fzfid 12990 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → (1...(⌊‘𝑥)) ∈ Fin)
16 o1f 14477 . . . . . . . . . . . . 13 ((𝑘 ∈ ℕ ↦ 𝐴) ∈ 𝑂(1) → (𝑘 ∈ ℕ ↦ 𝐴):dom (𝑘 ∈ ℕ ↦ 𝐴)⟶ℂ)
171, 16syl 17 . . . . . . . . . . . 12 (𝜑 → (𝑘 ∈ ℕ ↦ 𝐴):dom (𝑘 ∈ ℕ ↦ 𝐴)⟶ℂ)
184ralrimiva 3150 . . . . . . . . . . . . . 14 (𝜑 → ∀𝑘 ∈ ℕ 𝐴𝑉)
19 dmmptg 5840 . . . . . . . . . . . . . 14 (∀𝑘 ∈ ℕ 𝐴𝑉 → dom (𝑘 ∈ ℕ ↦ 𝐴) = ℕ)
2018, 19syl 17 . . . . . . . . . . . . 13 (𝜑 → dom (𝑘 ∈ ℕ ↦ 𝐴) = ℕ)
2120feq2d 6236 . . . . . . . . . . . 12 (𝜑 → ((𝑘 ∈ ℕ ↦ 𝐴):dom (𝑘 ∈ ℕ ↦ 𝐴)⟶ℂ ↔ (𝑘 ∈ ℕ ↦ 𝐴):ℕ⟶ℂ))
2217, 21mpbid 223 . . . . . . . . . . 11 (𝜑 → (𝑘 ∈ ℕ ↦ 𝐴):ℕ⟶ℂ)
23 eqid 2802 . . . . . . . . . . . 12 (𝑘 ∈ ℕ ↦ 𝐴) = (𝑘 ∈ ℕ ↦ 𝐴)
2423fmpt 6596 . . . . . . . . . . 11 (∀𝑘 ∈ ℕ 𝐴 ∈ ℂ ↔ (𝑘 ∈ ℕ ↦ 𝐴):ℕ⟶ℂ)
2522, 24sylibr 225 . . . . . . . . . 10 (𝜑 → ∀𝑘 ∈ ℕ 𝐴 ∈ ℂ)
2625ad3antrrr 712 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → ∀𝑘 ∈ ℕ 𝐴 ∈ ℂ)
27 elfznn 12587 . . . . . . . . 9 (𝑛 ∈ (1...(⌊‘𝑥)) → 𝑛 ∈ ℕ)
2812nfel1 2959 . . . . . . . . . . 11 𝑘𝑛 / 𝑘𝐴 ∈ ℂ
2913eleq1d 2866 . . . . . . . . . . 11 (𝑘 = 𝑛 → (𝐴 ∈ ℂ ↔ 𝑛 / 𝑘𝐴 ∈ ℂ))
3028, 29rspc 3492 . . . . . . . . . 10 (𝑛 ∈ ℕ → (∀𝑘 ∈ ℕ 𝐴 ∈ ℂ → 𝑛 / 𝑘𝐴 ∈ ℂ))
3130impcom 396 . . . . . . . . 9 ((∀𝑘 ∈ ℕ 𝐴 ∈ ℂ ∧ 𝑛 ∈ ℕ) → 𝑛 / 𝑘𝐴 ∈ ℂ)
3226, 27, 31syl2an 585 . . . . . . . 8 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 / 𝑘𝐴 ∈ ℂ)
3315, 32fsumcl 14681 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → Σ𝑛 ∈ (1...(⌊‘𝑥))𝑛 / 𝑘𝐴 ∈ ℂ)
3414, 33syl5eqel 2885 . . . . . 6 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 ∈ ℂ)
35 rpcn 12049 . . . . . . 7 (𝑥 ∈ ℝ+𝑥 ∈ ℂ)
3635adantl 469 . . . . . 6 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → 𝑥 ∈ ℂ)
37 rpne0 12056 . . . . . . 7 (𝑥 ∈ ℝ+𝑥 ≠ 0)
3837adantl 469 . . . . . 6 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → 𝑥 ≠ 0)
3934, 36, 38divcld 11080 . . . . 5 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥) ∈ ℂ)
40 simplrl 786 . . . . . . 7 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → 𝑐 ∈ (1[,)+∞))
41 1re 10319 . . . . . . . 8 1 ∈ ℝ
42 elicopnf 12482 . . . . . . . 8 (1 ∈ ℝ → (𝑐 ∈ (1[,)+∞) ↔ (𝑐 ∈ ℝ ∧ 1 ≤ 𝑐)))
4341, 42ax-mp 5 . . . . . . 7 (𝑐 ∈ (1[,)+∞) ↔ (𝑐 ∈ ℝ ∧ 1 ≤ 𝑐))
4440, 43sylib 209 . . . . . 6 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (𝑐 ∈ ℝ ∧ 1 ≤ 𝑐))
4544simpld 484 . . . . 5 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → 𝑐 ∈ ℝ)
46 fzfid 12990 . . . . . . 7 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (1...(⌊‘𝑐)) ∈ Fin)
4725ad2antrr 708 . . . . . . . . 9 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → ∀𝑘 ∈ ℕ 𝐴 ∈ ℂ)
48 elfznn 12587 . . . . . . . . 9 (𝑛 ∈ (1...(⌊‘𝑐)) → 𝑛 ∈ ℕ)
4947, 48, 31syl2an 585 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ (1...(⌊‘𝑐))) → 𝑛 / 𝑘𝐴 ∈ ℂ)
5049abscld 14392 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ (1...(⌊‘𝑐))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
5146, 50fsumrecl 14682 . . . . . 6 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
52 simplrr 787 . . . . . 6 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → 𝑚 ∈ ℝ)
5351, 52readdcld 10348 . . . . 5 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚) ∈ ℝ)
5434, 36, 38absdivd 14411 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑥 ∈ ℝ+) → (abs‘(Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) = ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / (abs‘𝑥)))
5554adantrr 699 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘(Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) = ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / (abs‘𝑥)))
56 rprege0 12055 . . . . . . . . . 10 (𝑥 ∈ ℝ+ → (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥))
5756ad2antrl 710 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥))
58 absid 14253 . . . . . . . . 9 ((𝑥 ∈ ℝ ∧ 0 ≤ 𝑥) → (abs‘𝑥) = 𝑥)
5957, 58syl 17 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘𝑥) = 𝑥)
6059oveq2d 6884 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / (abs‘𝑥)) = ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / 𝑥))
6155, 60eqtrd 2836 . . . . . 6 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘(Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) = ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / 𝑥))
6234adantrr 699 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 ∈ ℂ)
6362abscld 14392 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ∈ ℝ)
64 fzfid 12990 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (1...(⌊‘𝑥)) ∈ Fin)
6547, 27, 31syl2an 585 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 / 𝑘𝐴 ∈ ℂ)
6665adantlr 697 . . . . . . . . . 10 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 / 𝑘𝐴 ∈ ℂ)
6766abscld 14392 . . . . . . . . 9 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
6864, 67fsumrecl 14682 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
6957simpld 484 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑥 ∈ ℝ)
7051adantr 468 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
7152adantr 468 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑚 ∈ ℝ)
7270, 71readdcld 10348 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚) ∈ ℝ)
7369, 72remulcld 10349 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚)) ∈ ℝ)
7414fveq2i 6405 . . . . . . . . 9 (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) = (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))𝑛 / 𝑘𝐴)
7564, 66fsumabs 14749 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘Σ𝑛 ∈ (1...(⌊‘𝑥))𝑛 / 𝑘𝐴) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴))
7674, 75syl5eqbr 4872 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴))
77 fzfid 12990 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (((⌊‘𝑐) + 1)...(⌊‘𝑥)) ∈ Fin)
78 ssun2 3970 . . . . . . . . . . . . . 14 (((⌊‘𝑐) + 1)...(⌊‘𝑥)) ⊆ ((1...(⌊‘𝑐)) ∪ (((⌊‘𝑐) + 1)...(⌊‘𝑥)))
79 flge1nn 12840 . . . . . . . . . . . . . . . . . 18 ((𝑐 ∈ ℝ ∧ 1 ≤ 𝑐) → (⌊‘𝑐) ∈ ℕ)
8044, 79syl 17 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (⌊‘𝑐) ∈ ℕ)
8180adantr 468 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑐) ∈ ℕ)
8281nnred 11314 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑐) ∈ ℝ)
8345adantr 468 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑐 ∈ ℝ)
84 flle 12818 . . . . . . . . . . . . . . . . . 18 (𝑐 ∈ ℝ → (⌊‘𝑐) ≤ 𝑐)
8583, 84syl 17 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑐) ≤ 𝑐)
86 simprr 780 . . . . . . . . . . . . . . . . 17 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑐𝑥)
8782, 83, 69, 85, 86letrd 10473 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑐) ≤ 𝑥)
88 fznnfl 12879 . . . . . . . . . . . . . . . . 17 (𝑥 ∈ ℝ → ((⌊‘𝑐) ∈ (1...(⌊‘𝑥)) ↔ ((⌊‘𝑐) ∈ ℕ ∧ (⌊‘𝑐) ≤ 𝑥)))
8969, 88syl 17 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((⌊‘𝑐) ∈ (1...(⌊‘𝑥)) ↔ ((⌊‘𝑐) ∈ ℕ ∧ (⌊‘𝑐) ≤ 𝑥)))
9081, 87, 89mpbir2and 695 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑐) ∈ (1...(⌊‘𝑥)))
91 fzsplit 12584 . . . . . . . . . . . . . . 15 ((⌊‘𝑐) ∈ (1...(⌊‘𝑥)) → (1...(⌊‘𝑥)) = ((1...(⌊‘𝑐)) ∪ (((⌊‘𝑐) + 1)...(⌊‘𝑥))))
9290, 91syl 17 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (1...(⌊‘𝑥)) = ((1...(⌊‘𝑐)) ∪ (((⌊‘𝑐) + 1)...(⌊‘𝑥))))
9378, 92syl5sseqr 3845 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (((⌊‘𝑐) + 1)...(⌊‘𝑥)) ⊆ (1...(⌊‘𝑥)))
9493sselda 3792 . . . . . . . . . . . 12 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) → 𝑛 ∈ (1...(⌊‘𝑥)))
9565abscld 14392 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
9695adantlr 697 . . . . . . . . . . . 12 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
9794, 96syldan 581 . . . . . . . . . . 11 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
9877, 97fsumrecl 14682 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
9969, 70remulcld 10349 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) ∈ ℝ)
10069, 71remulcld 10349 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 · 𝑚) ∈ ℝ)
10170recnd 10347 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℂ)
102101mulid2d 10337 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (1 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) = Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴))
103 1red 10320 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 1 ∈ ℝ)
10449absge0d 14400 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ (1...(⌊‘𝑐))) → 0 ≤ (abs‘𝑛 / 𝑘𝐴))
10546, 50, 104fsumge0 14743 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴))
10651, 105jca 503 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ ∧ 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)))
107106adantr 468 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ ∧ 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)))
10844simprd 485 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → 1 ≤ 𝑐)
109108adantr 468 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 1 ≤ 𝑐)
110103, 83, 69, 109, 86letrd 10473 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 1 ≤ 𝑥)
111 lemul1a 11156 . . . . . . . . . . . 12 (((1 ∈ ℝ ∧ 𝑥 ∈ ℝ ∧ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ∈ ℝ ∧ 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴))) ∧ 1 ≤ 𝑥) → (1 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) ≤ (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)))
112103, 69, 107, 110, 111syl31anc 1485 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (1 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) ≤ (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)))
113102, 112eqbrtrrd 4861 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) ≤ (𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)))
114 hashcl 13359 . . . . . . . . . . . . 13 ((((⌊‘𝑐) + 1)...(⌊‘𝑥)) ∈ Fin → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ∈ ℕ0)
115 nn0re 11562 . . . . . . . . . . . . 13 ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ∈ ℕ0 → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ∈ ℝ)
11677, 114, 1153syl 18 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ∈ ℝ)
117116, 71remulcld 10349 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) · 𝑚) ∈ ℝ)
11871adantr 468 . . . . . . . . . . . . 13 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) → 𝑚 ∈ ℝ)
119 elfzuz 12555 . . . . . . . . . . . . . 14 (𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥)) → 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1)))
12081peano2nnd 11316 . . . . . . . . . . . . . . . 16 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((⌊‘𝑐) + 1) ∈ ℕ)
121 eluznn 11971 . . . . . . . . . . . . . . . 16 ((((⌊‘𝑐) + 1) ∈ ℕ ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑛 ∈ ℕ)
122120, 121sylan 571 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑛 ∈ ℕ)
123 simpllr 784 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚))
12483adantr 468 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑐 ∈ ℝ)
125 reflcl 12815 . . . . . . . . . . . . . . . . 17 (𝑐 ∈ ℝ → (⌊‘𝑐) ∈ ℝ)
126 peano2re 10488 . . . . . . . . . . . . . . . . 17 ((⌊‘𝑐) ∈ ℝ → ((⌊‘𝑐) + 1) ∈ ℝ)
127124, 125, 1263syl 18 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → ((⌊‘𝑐) + 1) ∈ ℝ)
128122nnred 11314 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑛 ∈ ℝ)
129 fllep1 12820 . . . . . . . . . . . . . . . . 17 (𝑐 ∈ ℝ → 𝑐 ≤ ((⌊‘𝑐) + 1))
130124, 129syl 17 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑐 ≤ ((⌊‘𝑐) + 1))
131 eluzle 11911 . . . . . . . . . . . . . . . . 17 (𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1)) → ((⌊‘𝑐) + 1) ≤ 𝑛)
132131adantl 469 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → ((⌊‘𝑐) + 1) ≤ 𝑛)
133124, 127, 128, 130, 132letrd 10473 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑐𝑛)
134 nfv 2005 . . . . . . . . . . . . . . . . 17 𝑘 𝑐𝑛
135 nfcv 2944 . . . . . . . . . . . . . . . . . . 19 𝑘abs
136135, 12nffv 6412 . . . . . . . . . . . . . . . . . 18 𝑘(abs‘𝑛 / 𝑘𝐴)
137 nfcv 2944 . . . . . . . . . . . . . . . . . 18 𝑘
138 nfcv 2944 . . . . . . . . . . . . . . . . . 18 𝑘𝑚
139136, 137, 138nfbr 4884 . . . . . . . . . . . . . . . . 17 𝑘(abs‘𝑛 / 𝑘𝐴) ≤ 𝑚
140134, 139nfim 1987 . . . . . . . . . . . . . . . 16 𝑘(𝑐𝑛 → (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚)
141 breq2 4841 . . . . . . . . . . . . . . . . 17 (𝑘 = 𝑛 → (𝑐𝑘𝑐𝑛))
14213fveq2d 6406 . . . . . . . . . . . . . . . . . 18 (𝑘 = 𝑛 → (abs‘𝐴) = (abs‘𝑛 / 𝑘𝐴))
143142breq1d 4847 . . . . . . . . . . . . . . . . 17 (𝑘 = 𝑛 → ((abs‘𝐴) ≤ 𝑚 ↔ (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚))
144141, 143imbi12d 335 . . . . . . . . . . . . . . . 16 (𝑘 = 𝑛 → ((𝑐𝑘 → (abs‘𝐴) ≤ 𝑚) ↔ (𝑐𝑛 → (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚)))
145140, 144rspc 3492 . . . . . . . . . . . . . . 15 (𝑛 ∈ ℕ → (∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚) → (𝑐𝑛 → (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚)))
146122, 123, 133, 145syl3c 66 . . . . . . . . . . . . . 14 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚)
147119, 146sylan2 582 . . . . . . . . . . . . 13 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ≤ 𝑚)
14877, 97, 118, 147fsumle 14747 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ≤ Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))𝑚)
14971recnd 10347 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑚 ∈ ℂ)
150 fsumconst 14738 . . . . . . . . . . . . 13 (((((⌊‘𝑐) + 1)...(⌊‘𝑥)) ∈ Fin ∧ 𝑚 ∈ ℂ) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))𝑚 = ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) · 𝑚))
15177, 149, 150syl2anc 575 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))𝑚 = ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) · 𝑚))
152148, 151breqtrd 4863 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ≤ ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) · 𝑚))
153 biidd 253 . . . . . . . . . . . . 13 (𝑛 = ((⌊‘𝑐) + 1) → (0 ≤ 𝑚 ↔ 0 ≤ 𝑚))
154 0red 10322 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 0 ∈ ℝ)
15547, 30mpan9 498 . . . . . . . . . . . . . . . . . 18 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ 𝑛 ∈ ℕ) → 𝑛 / 𝑘𝐴 ∈ ℂ)
156155adantlr 697 . . . . . . . . . . . . . . . . 17 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ ℕ) → 𝑛 / 𝑘𝐴 ∈ ℂ)
157122, 156syldan 581 . . . . . . . . . . . . . . . 16 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑛 / 𝑘𝐴 ∈ ℂ)
158157abscld 14392 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℝ)
15971adantr 468 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 𝑚 ∈ ℝ)
160157absge0d 14400 . . . . . . . . . . . . . . 15 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 0 ≤ (abs‘𝑛 / 𝑘𝐴))
161154, 158, 159, 160, 146letrd 10473 . . . . . . . . . . . . . 14 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))) → 0 ≤ 𝑚)
162161ralrimiva 3150 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ∀𝑛 ∈ (ℤ‘((⌊‘𝑐) + 1))0 ≤ 𝑚)
163120nnzd 11741 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((⌊‘𝑐) + 1) ∈ ℤ)
164 uzid 11913 . . . . . . . . . . . . . 14 (((⌊‘𝑐) + 1) ∈ ℤ → ((⌊‘𝑐) + 1) ∈ (ℤ‘((⌊‘𝑐) + 1)))
165163, 164syl 17 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((⌊‘𝑐) + 1) ∈ (ℤ‘((⌊‘𝑐) + 1)))
166153, 162, 165rspcdva 3504 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 0 ≤ 𝑚)
167 reflcl 12815 . . . . . . . . . . . . . 14 (𝑥 ∈ ℝ → (⌊‘𝑥) ∈ ℝ)
16869, 167syl 17 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑥) ∈ ℝ)
169 ssdomg 8232 . . . . . . . . . . . . . . . 16 ((1...(⌊‘𝑥)) ∈ Fin → ((((⌊‘𝑐) + 1)...(⌊‘𝑥)) ⊆ (1...(⌊‘𝑥)) → (((⌊‘𝑐) + 1)...(⌊‘𝑥)) ≼ (1...(⌊‘𝑥))))
17064, 93, 169sylc 65 . . . . . . . . . . . . . . 15 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (((⌊‘𝑐) + 1)...(⌊‘𝑥)) ≼ (1...(⌊‘𝑥)))
171 hashdomi 13381 . . . . . . . . . . . . . . 15 ((((⌊‘𝑐) + 1)...(⌊‘𝑥)) ≼ (1...(⌊‘𝑥)) → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ≤ (♯‘(1...(⌊‘𝑥))))
172170, 171syl 17 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ≤ (♯‘(1...(⌊‘𝑥))))
173 flge0nn0 12839 . . . . . . . . . . . . . . 15 ((𝑥 ∈ ℝ ∧ 0 ≤ 𝑥) → (⌊‘𝑥) ∈ ℕ0)
174 hashfz1 13348 . . . . . . . . . . . . . . 15 ((⌊‘𝑥) ∈ ℕ0 → (♯‘(1...(⌊‘𝑥))) = (⌊‘𝑥))
17557, 173, 1743syl 18 . . . . . . . . . . . . . 14 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (♯‘(1...(⌊‘𝑥))) = (⌊‘𝑥))
176172, 175breqtrd 4863 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ≤ (⌊‘𝑥))
177 flle 12818 . . . . . . . . . . . . . 14 (𝑥 ∈ ℝ → (⌊‘𝑥) ≤ 𝑥)
17869, 177syl 17 . . . . . . . . . . . . 13 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (⌊‘𝑥) ≤ 𝑥)
179116, 168, 69, 176, 178letrd 10473 . . . . . . . . . . . 12 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) ≤ 𝑥)
180116, 69, 71, 166, 179lemul1ad 11242 . . . . . . . . . . 11 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((♯‘(((⌊‘𝑐) + 1)...(⌊‘𝑥))) · 𝑚) ≤ (𝑥 · 𝑚))
18198, 117, 100, 152, 180letrd 10473 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ≤ (𝑥 · 𝑚))
18270, 98, 99, 100, 113, 181le2addd 10925 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴)) ≤ ((𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) + (𝑥 · 𝑚)))
183 ltp1 11140 . . . . . . . . . . 11 ((⌊‘𝑐) ∈ ℝ → (⌊‘𝑐) < ((⌊‘𝑐) + 1))
184 fzdisj 12585 . . . . . . . . . . 11 ((⌊‘𝑐) < ((⌊‘𝑐) + 1) → ((1...(⌊‘𝑐)) ∩ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) = ∅)
18582, 183, 1843syl 18 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((1...(⌊‘𝑐)) ∩ (((⌊‘𝑐) + 1)...(⌊‘𝑥))) = ∅)
18696recnd 10347 . . . . . . . . . 10 (((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘𝑛 / 𝑘𝐴) ∈ ℂ)
187185, 92, 64, 186fsumsplit 14688 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) = (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + Σ𝑛 ∈ (((⌊‘𝑐) + 1)...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴)))
18836adantrr 699 . . . . . . . . . 10 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → 𝑥 ∈ ℂ)
189188, 101, 149adddid 10343 . . . . . . . . 9 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚)) = ((𝑥 · Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴)) + (𝑥 · 𝑚)))
190182, 187, 1893brtr4d 4869 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(abs‘𝑛 / 𝑘𝐴) ≤ (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚)))
19163, 68, 73, 76, 190letrd 10473 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ≤ (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚)))
192 rpregt0 12054 . . . . . . . . 9 (𝑥 ∈ ℝ+ → (𝑥 ∈ ℝ ∧ 0 < 𝑥))
193192ad2antrl 710 . . . . . . . 8 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (𝑥 ∈ ℝ ∧ 0 < 𝑥))
194 ledivmul 11178 . . . . . . . 8 (((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ∈ ℝ ∧ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚) ∈ ℝ ∧ (𝑥 ∈ ℝ ∧ 0 < 𝑥)) → (((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / 𝑥) ≤ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚) ↔ (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ≤ (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚))))
19563, 72, 193, 194syl3anc 1483 . . . . . . 7 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / 𝑥) ≤ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚) ↔ (abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) ≤ (𝑥 · (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚))))
196191, 195mpbird 248 . . . . . 6 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → ((abs‘Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴) / 𝑥) ≤ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚))
19761, 196eqbrtrd 4859 . . . . 5 ((((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) ∧ (𝑥 ∈ ℝ+𝑐𝑥)) → (abs‘(Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ≤ (Σ𝑛 ∈ (1...(⌊‘𝑐))(abs‘𝑛 / 𝑘𝐴) + 𝑚))
19810, 39, 45, 53, 197elo1d 14484 . . . 4 (((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) ∧ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚)) → (𝑥 ∈ ℝ+ ↦ (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ∈ 𝑂(1))
199198ex 399 . . 3 ((𝜑 ∧ (𝑐 ∈ (1[,)+∞) ∧ 𝑚 ∈ ℝ)) → (∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚) → (𝑥 ∈ ℝ+ ↦ (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ∈ 𝑂(1)))
200199rexlimdvva 3222 . 2 (𝜑 → (∃𝑐 ∈ (1[,)+∞)∃𝑚 ∈ ℝ ∀𝑘 ∈ ℕ (𝑐𝑘 → (abs‘𝐴) ≤ 𝑚) → (𝑥 ∈ ℝ+ ↦ (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ∈ 𝑂(1)))
2018, 200mpd 15 1 (𝜑 → (𝑥 ∈ ℝ+ ↦ (Σ𝑘 ∈ (1...(⌊‘𝑥))𝐴 / 𝑥)) ∈ 𝑂(1))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 197  wa 384   = wceq 1637  wcel 2155  wne 2974  wral 3092  wrex 3093  csb 3722  cun 3761  cin 3762  wss 3763  c0 4110   class class class wbr 4837  cmpt 4916  dom cdm 5305  wf 6091  cfv 6095  (class class class)co 6868  cdom 8184  Fincfn 8186  cc 10213  cr 10214  0cc0 10215  1c1 10216   + caddc 10218   · cmul 10220  +∞cpnf 10350   < clt 10353  cle 10354   / cdiv 10963  cn 11299  0cn0 11553  cz 11637  cuz 11898  +crp 12040  [,)cico 12389  ...cfz 12543  cfl 12809  chash 13331  abscabs 14191  𝑂(1)co1 14434  Σcsu 14633
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1877  ax-4 1894  ax-5 2001  ax-6 2067  ax-7 2103  ax-8 2157  ax-9 2164  ax-10 2184  ax-11 2200  ax-12 2213  ax-13 2419  ax-ext 2781  ax-rep 4957  ax-sep 4968  ax-nul 4977  ax-pow 5029  ax-pr 5090  ax-un 7173  ax-inf2 8779  ax-cnex 10271  ax-resscn 10272  ax-1cn 10273  ax-icn 10274  ax-addcl 10275  ax-addrcl 10276  ax-mulcl 10277  ax-mulrcl 10278  ax-mulcom 10279  ax-addass 10280  ax-mulass 10281  ax-distr 10282  ax-i2m1 10283  ax-1ne0 10284  ax-1rid 10285  ax-rnegex 10286  ax-rrecex 10287  ax-cnre 10288  ax-pre-lttri 10289  ax-pre-lttrn 10290  ax-pre-ltadd 10291  ax-pre-mulgt0 10292  ax-pre-sup 10293
This theorem depends on definitions:  df-bi 198  df-an 385  df-or 866  df-3or 1101  df-3an 1102  df-tru 1641  df-fal 1651  df-ex 1860  df-nf 1864  df-sb 2060  df-eu 2633  df-mo 2634  df-clab 2789  df-cleq 2795  df-clel 2798  df-nfc 2933  df-ne 2975  df-nel 3078  df-ral 3097  df-rex 3098  df-reu 3099  df-rmo 3100  df-rab 3101  df-v 3389  df-sbc 3628  df-csb 3723  df-dif 3766  df-un 3768  df-in 3770  df-ss 3777  df-pss 3779  df-nul 4111  df-if 4274  df-pw 4347  df-sn 4365  df-pr 4367  df-tp 4369  df-op 4371  df-uni 4624  df-int 4663  df-iun 4707  df-br 4838  df-opab 4900  df-mpt 4917  df-tr 4940  df-id 5213  df-eprel 5218  df-po 5226  df-so 5227  df-fr 5264  df-se 5265  df-we 5266  df-xp 5311  df-rel 5312  df-cnv 5313  df-co 5314  df-dm 5315  df-rn 5316  df-res 5317  df-ima 5318  df-pred 5887  df-ord 5933  df-on 5934  df-lim 5935  df-suc 5936  df-iota 6058  df-fun 6097  df-fn 6098  df-f 6099  df-f1 6100  df-fo 6101  df-f1o 6102  df-fv 6103  df-isom 6104  df-riota 6829  df-ov 6871  df-oprab 6872  df-mpt2 6873  df-om 7290  df-1st 7392  df-2nd 7393  df-wrecs 7636  df-recs 7698  df-rdg 7736  df-1o 7790  df-oadd 7794  df-er 7973  df-pm 8089  df-en 8187  df-dom 8188  df-sdom 8189  df-fin 8190  df-sup 8581  df-inf 8582  df-oi 8648  df-card 9042  df-pnf 10355  df-mnf 10356  df-xr 10357  df-ltxr 10358  df-le 10359  df-sub 10547  df-neg 10548  df-div 10964  df-nn 11300  df-2 11358  df-3 11359  df-n0 11554  df-xnn0 11624  df-z 11638  df-uz 11899  df-rp 12041  df-ico 12393  df-fz 12544  df-fzo 12684  df-fl 12811  df-seq 13019  df-exp 13078  df-hash 13332  df-cj 14056  df-re 14057  df-im 14058  df-sqrt 14192  df-abs 14193  df-clim 14436  df-o1 14438  df-lo1 14439  df-sum 14634
This theorem is referenced by:  selberg2lem  25447
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