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Theorem pntrlog2bndlem2 25184
Description: Lemma for pntrlog2bnd 25190. Bound on the difference between the Selberg function and its approximation, inside a sum. (Contributed by Mario Carneiro, 31-May-2016.)
Hypotheses
Ref Expression
pntsval.1 𝑆 = (𝑎 ∈ ℝ ↦ Σ𝑖 ∈ (1...(⌊‘𝑎))((Λ‘𝑖) · ((log‘𝑖) + (ψ‘(𝑎 / 𝑖)))))
pntrlog2bnd.r 𝑅 = (𝑎 ∈ ℝ+ ↦ ((ψ‘𝑎) − 𝑎))
pntrlog2bndlem2.1 (𝜑𝐴 ∈ ℝ+)
pntrlog2bndlem2.2 (𝜑 → ∀𝑦 ∈ ℝ+ (ψ‘𝑦) ≤ (𝐴 · 𝑦))
Assertion
Ref Expression
pntrlog2bndlem2 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥)))) ∈ 𝑂(1))
Distinct variable groups:   𝑖,𝑎,𝑛,𝑥,𝑦,𝐴   𝜑,𝑛,𝑥   𝑆,𝑛,𝑥,𝑦   𝑅,𝑛,𝑥,𝑦
Allowed substitution hints:   𝜑(𝑦,𝑖,𝑎)   𝑅(𝑖,𝑎)   𝑆(𝑖,𝑎)

Proof of Theorem pntrlog2bndlem2
Dummy variable 𝑚 is distinct from all other variables.
StepHypRef Expression
1 1red 10007 . 2 (𝜑 → 1 ∈ ℝ)
2 elioore 12155 . . . . . . . 8 (𝑥 ∈ (1(,)+∞) → 𝑥 ∈ ℝ)
32adantl 482 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 ∈ ℝ)
4 chpcl 24767 . . . . . . 7 (𝑥 ∈ ℝ → (ψ‘𝑥) ∈ ℝ)
53, 4syl 17 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (ψ‘𝑥) ∈ ℝ)
65recnd 10020 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (ψ‘𝑥) ∈ ℂ)
7 fzfid 12720 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (1...(⌊‘𝑥)) ∈ Fin)
83adantr 481 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑥 ∈ ℝ)
9 elfznn 12320 . . . . . . . . . . . 12 (𝑛 ∈ (1...(⌊‘𝑥)) → 𝑛 ∈ ℕ)
109adantl 482 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℕ)
1110peano2nnd 10989 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 + 1) ∈ ℕ)
128, 11nndivred 11021 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / (𝑛 + 1)) ∈ ℝ)
13 chpcl 24767 . . . . . . . . 9 ((𝑥 / (𝑛 + 1)) ∈ ℝ → (ψ‘(𝑥 / (𝑛 + 1))) ∈ ℝ)
1412, 13syl 17 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / (𝑛 + 1))) ∈ ℝ)
1514, 12readdcld 10021 . . . . . . 7 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ∈ ℝ)
167, 15fsumrecl 14406 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ∈ ℝ)
1716recnd 10020 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ∈ ℂ)
183recnd 10020 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 ∈ ℂ)
19 eliooord 12183 . . . . . . . . . 10 (𝑥 ∈ (1(,)+∞) → (1 < 𝑥𝑥 < +∞))
2019adantl 482 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 < 𝑥𝑥 < +∞))
2120simpld 475 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 < 𝑥)
223, 21rplogcld 24296 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (log‘𝑥) ∈ ℝ+)
2322rpcnd 11826 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (log‘𝑥) ∈ ℂ)
2418, 23mulcld 10012 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 · (log‘𝑥)) ∈ ℂ)
25 1rp 11788 . . . . . . . . 9 1 ∈ ℝ+
2625a1i 11 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 ∈ ℝ+)
27 1red 10007 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 ∈ ℝ)
2827, 3, 21ltled 10137 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 ≤ 𝑥)
293, 26, 28rpgecld 11863 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 ∈ ℝ+)
3029rpne0d 11829 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 ≠ 0)
3122rpne0d 11829 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (log‘𝑥) ≠ 0)
3218, 23, 30, 31mulne0d 10631 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 · (log‘𝑥)) ≠ 0)
336, 17, 24, 32divdird 10791 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥))) = (((ψ‘𝑥) / (𝑥 · (log‘𝑥))) + (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥)))))
3433mpteq2dva 4709 . . 3 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))) = (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) / (𝑥 · (log‘𝑥))) + (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))))))
3529, 22rpmulcld 11840 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 · (log‘𝑥)) ∈ ℝ+)
365, 35rerpdivcld 11855 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) / (𝑥 · (log‘𝑥))) ∈ ℝ)
3716, 35rerpdivcld 11855 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))) ∈ ℝ)
386, 18, 23, 30, 31divdiv1d 10784 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) / 𝑥) / (log‘𝑥)) = ((ψ‘𝑥) / (𝑥 · (log‘𝑥))))
395, 29rerpdivcld 11855 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) / 𝑥) ∈ ℝ)
4039recnd 10020 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) / 𝑥) ∈ ℂ)
4140, 23, 31divrecd 10756 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) / 𝑥) / (log‘𝑥)) = (((ψ‘𝑥) / 𝑥) · (1 / (log‘𝑥))))
4238, 41eqtr3d 2657 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) / (𝑥 · (log‘𝑥))) = (((ψ‘𝑥) / 𝑥) · (1 / (log‘𝑥))))
4342mpteq2dva 4709 . . . . 5 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ ((ψ‘𝑥) / (𝑥 · (log‘𝑥)))) = (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) / 𝑥) · (1 / (log‘𝑥)))))
4422rprecred 11835 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 / (log‘𝑥)) ∈ ℝ)
4529ex 450 . . . . . . . 8 (𝜑 → (𝑥 ∈ (1(,)+∞) → 𝑥 ∈ ℝ+))
4645ssrdv 3593 . . . . . . 7 (𝜑 → (1(,)+∞) ⊆ ℝ+)
47 chpo1ub 25086 . . . . . . . 8 (𝑥 ∈ ℝ+ ↦ ((ψ‘𝑥) / 𝑥)) ∈ 𝑂(1)
4847a1i 11 . . . . . . 7 (𝜑 → (𝑥 ∈ ℝ+ ↦ ((ψ‘𝑥) / 𝑥)) ∈ 𝑂(1))
4946, 48o1res2 14236 . . . . . 6 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ ((ψ‘𝑥) / 𝑥)) ∈ 𝑂(1))
50 divlogrlim 24298 . . . . . . 7 (𝑥 ∈ (1(,)+∞) ↦ (1 / (log‘𝑥))) ⇝𝑟 0
51 rlimo1 14289 . . . . . . 7 ((𝑥 ∈ (1(,)+∞) ↦ (1 / (log‘𝑥))) ⇝𝑟 0 → (𝑥 ∈ (1(,)+∞) ↦ (1 / (log‘𝑥))) ∈ 𝑂(1))
5250, 51mp1i 13 . . . . . 6 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (1 / (log‘𝑥))) ∈ 𝑂(1))
5339, 44, 49, 52o1mul2 14297 . . . . 5 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) / 𝑥) · (1 / (log‘𝑥)))) ∈ 𝑂(1))
5443, 53eqeltrd 2698 . . . 4 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ ((ψ‘𝑥) / (𝑥 · (log‘𝑥)))) ∈ 𝑂(1))
55 pntrlog2bndlem2.1 . . . . . . . . 9 (𝜑𝐴 ∈ ℝ+)
5655rpred 11824 . . . . . . . 8 (𝜑𝐴 ∈ ℝ)
5756, 1readdcld 10021 . . . . . . 7 (𝜑 → (𝐴 + 1) ∈ ℝ)
5857adantr 481 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝐴 + 1) ∈ ℝ)
5927, 44readdcld 10021 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 + (1 / (log‘𝑥))) ∈ ℝ)
60 ioossre 12185 . . . . . . 7 (1(,)+∞) ⊆ ℝ
6157recnd 10020 . . . . . . 7 (𝜑 → (𝐴 + 1) ∈ ℂ)
62 o1const 14292 . . . . . . 7 (((1(,)+∞) ⊆ ℝ ∧ (𝐴 + 1) ∈ ℂ) → (𝑥 ∈ (1(,)+∞) ↦ (𝐴 + 1)) ∈ 𝑂(1))
6360, 61, 62sylancr 694 . . . . . 6 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (𝐴 + 1)) ∈ 𝑂(1))
64 1cnd 10008 . . . . . . . 8 (𝜑 → 1 ∈ ℂ)
65 o1const 14292 . . . . . . . 8 (((1(,)+∞) ⊆ ℝ ∧ 1 ∈ ℂ) → (𝑥 ∈ (1(,)+∞) ↦ 1) ∈ 𝑂(1))
6660, 64, 65sylancr 694 . . . . . . 7 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ 1) ∈ 𝑂(1))
6727, 44, 66, 52o1add2 14296 . . . . . 6 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (1 + (1 / (log‘𝑥)))) ∈ 𝑂(1))
6858, 59, 63, 67o1mul2 14297 . . . . 5 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ ((𝐴 + 1) · (1 + (1 / (log‘𝑥))))) ∈ 𝑂(1))
6958, 59remulcld 10022 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))) ∈ ℝ)
7037recnd 10020 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))) ∈ ℂ)
71 chpge0 24769 . . . . . . . . . . . 12 ((𝑥 / (𝑛 + 1)) ∈ ℝ → 0 ≤ (ψ‘(𝑥 / (𝑛 + 1))))
7212, 71syl 17 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (ψ‘(𝑥 / (𝑛 + 1))))
7310nnrpd 11822 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℝ+)
7425a1i 11 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 1 ∈ ℝ+)
7573, 74rpaddcld 11839 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 + 1) ∈ ℝ+)
7629adantr 481 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑥 ∈ ℝ+)
7776rpge0d 11828 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ 𝑥)
788, 75, 77divge0d 11864 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (𝑥 / (𝑛 + 1)))
7914, 12, 72, 78addge0d 10555 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
807, 15, 79fsumge0 14465 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
8116, 35, 80divge0d 11864 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))))
8237, 81absidd 14103 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥)))) = (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))))
8369recnd 10020 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))) ∈ ℂ)
8483abscld 14117 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘((𝐴 + 1) · (1 + (1 / (log‘𝑥))))) ∈ ℝ)
8516, 29rerpdivcld 11855 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / 𝑥) ∈ ℝ)
8629relogcld 24290 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → (log‘𝑥) ∈ ℝ)
8786, 27readdcld 10021 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → ((log‘𝑥) + 1) ∈ ℝ)
8858, 87remulcld 10022 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · ((log‘𝑥) + 1)) ∈ ℝ)
8958, 3remulcld 10022 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · 𝑥) ∈ ℝ)
9010nnrecred 11018 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (1 / 𝑛) ∈ ℝ)
917, 90fsumrecl 14406 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛) ∈ ℝ)
9289, 91remulcld 10022 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · 𝑥) · Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛)) ∈ ℝ)
9389, 87remulcld 10022 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · 𝑥) · ((log‘𝑥) + 1)) ∈ ℝ)
9456ad2antrr 761 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝐴 ∈ ℝ)
95 1red 10007 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 1 ∈ ℝ)
9694, 95readdcld 10021 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝐴 + 1) ∈ ℝ)
9796, 8remulcld 10022 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝐴 + 1) · 𝑥) ∈ ℝ)
9897, 90remulcld 10022 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) · (1 / 𝑛)) ∈ ℝ)
9997, 11nndivred 11021 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / (𝑛 + 1)) ∈ ℝ)
10097, 10nndivred 11021 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / 𝑛) ∈ ℝ)
10194, 12remulcld 10022 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝐴 · (𝑥 / (𝑛 + 1))) ∈ ℝ)
10276, 75rpdivcld 11841 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / (𝑛 + 1)) ∈ ℝ+)
103 pntrlog2bndlem2.2 . . . . . . . . . . . . . . . . . . . . 21 (𝜑 → ∀𝑦 ∈ ℝ+ (ψ‘𝑦) ≤ (𝐴 · 𝑦))
104103ad2antrr 761 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ∀𝑦 ∈ ℝ+ (ψ‘𝑦) ≤ (𝐴 · 𝑦))
105 fveq2 6153 . . . . . . . . . . . . . . . . . . . . . 22 (𝑦 = (𝑥 / (𝑛 + 1)) → (ψ‘𝑦) = (ψ‘(𝑥 / (𝑛 + 1))))
106 oveq2 6618 . . . . . . . . . . . . . . . . . . . . . 22 (𝑦 = (𝑥 / (𝑛 + 1)) → (𝐴 · 𝑦) = (𝐴 · (𝑥 / (𝑛 + 1))))
107105, 106breq12d 4631 . . . . . . . . . . . . . . . . . . . . 21 (𝑦 = (𝑥 / (𝑛 + 1)) → ((ψ‘𝑦) ≤ (𝐴 · 𝑦) ↔ (ψ‘(𝑥 / (𝑛 + 1))) ≤ (𝐴 · (𝑥 / (𝑛 + 1)))))
108107rspcv 3294 . . . . . . . . . . . . . . . . . . . 20 ((𝑥 / (𝑛 + 1)) ∈ ℝ+ → (∀𝑦 ∈ ℝ+ (ψ‘𝑦) ≤ (𝐴 · 𝑦) → (ψ‘(𝑥 / (𝑛 + 1))) ≤ (𝐴 · (𝑥 / (𝑛 + 1)))))
109102, 104, 108sylc 65 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / (𝑛 + 1))) ≤ (𝐴 · (𝑥 / (𝑛 + 1))))
11014, 101, 12, 109leadd1dd 10593 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ ((𝐴 · (𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
11161ad2antrr 761 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝐴 + 1) ∈ ℂ)
11218adantr 481 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑥 ∈ ℂ)
11310nncnd 10988 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℂ)
114 1cnd 10008 . . . . . . . . . . . . . . . . . . . . 21 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 1 ∈ ℂ)
115113, 114addcld 10011 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 + 1) ∈ ℂ)
11611nnne0d 11017 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 + 1) ≠ 0)
117111, 112, 115, 116divassd 10788 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / (𝑛 + 1)) = ((𝐴 + 1) · (𝑥 / (𝑛 + 1))))
11894recnd 10020 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝐴 ∈ ℂ)
119112, 115, 116divcld 10753 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / (𝑛 + 1)) ∈ ℂ)
120118, 114, 119adddird 10017 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝐴 + 1) · (𝑥 / (𝑛 + 1))) = ((𝐴 · (𝑥 / (𝑛 + 1))) + (1 · (𝑥 / (𝑛 + 1)))))
121119mulid2d 10010 . . . . . . . . . . . . . . . . . . . 20 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (1 · (𝑥 / (𝑛 + 1))) = (𝑥 / (𝑛 + 1)))
122121oveq2d 6626 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝐴 · (𝑥 / (𝑛 + 1))) + (1 · (𝑥 / (𝑛 + 1)))) = ((𝐴 · (𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
123117, 120, 1223eqtrd 2659 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / (𝑛 + 1)) = ((𝐴 · (𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
124110, 123breqtrrd 4646 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · 𝑥) / (𝑛 + 1)))
12556adantr 481 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝐴 ∈ ℝ)
12655adantr 481 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝐴 ∈ ℝ+)
127126rpge0d 11828 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ 𝐴)
12826rpge0d 11828 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ 1)
129125, 27, 127, 128addge0d 10555 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ (𝐴 + 1))
13029rpge0d 11828 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ 𝑥)
13158, 3, 129, 130mulge0d 10556 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ ((𝐴 + 1) · 𝑥))
132131adantr 481 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ ((𝐴 + 1) · 𝑥))
13310nnred 10987 . . . . . . . . . . . . . . . . . . 19 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ∈ ℝ)
134133lep1d 10907 . . . . . . . . . . . . . . . . . 18 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ≤ (𝑛 + 1))
13573, 75, 97, 132, 134lediv2ad 11846 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / (𝑛 + 1)) ≤ (((𝐴 + 1) · 𝑥) / 𝑛))
13615, 99, 100, 124, 135letrd 10146 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · 𝑥) / 𝑛))
13797recnd 10020 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝐴 + 1) · 𝑥) ∈ ℂ)
13810nnne0d 11017 . . . . . . . . . . . . . . . . 17 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 𝑛 ≠ 0)
139137, 113, 138divrecd 10756 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝐴 + 1) · 𝑥) / 𝑛) = (((𝐴 + 1) · 𝑥) · (1 / 𝑛)))
140136, 139breqtrd 4644 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · 𝑥) · (1 / 𝑛)))
1417, 15, 98, 140fsumle 14469 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝐴 + 1) · 𝑥) · (1 / 𝑛)))
14289recnd 10020 . . . . . . . . . . . . . . 15 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · 𝑥) ∈ ℂ)
143113, 138reccld 10746 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (1 / 𝑛) ∈ ℂ)
1447, 142, 143fsummulc2 14455 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · 𝑥) · Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛)) = Σ𝑛 ∈ (1...(⌊‘𝑥))(((𝐴 + 1) · 𝑥) · (1 / 𝑛)))
145141, 144breqtrrd 4646 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · 𝑥) · Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛)))
146 harmonicubnd 24653 . . . . . . . . . . . . . . 15 ((𝑥 ∈ ℝ ∧ 1 ≤ 𝑥) → Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛) ≤ ((log‘𝑥) + 1))
1473, 28, 146syl2anc 692 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛) ≤ ((log‘𝑥) + 1))
14891, 87, 89, 131, 147lemul2ad 10916 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · 𝑥) · Σ𝑛 ∈ (1...(⌊‘𝑥))(1 / 𝑛)) ≤ (((𝐴 + 1) · 𝑥) · ((log‘𝑥) + 1)))
14916, 92, 93, 145, 148letrd 10146 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · 𝑥) · ((log‘𝑥) + 1)))
15061adantr 481 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝐴 + 1) ∈ ℂ)
15187recnd 10020 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → ((log‘𝑥) + 1) ∈ ℂ)
152150, 18, 151mul32d 10198 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · 𝑥) · ((log‘𝑥) + 1)) = (((𝐴 + 1) · ((log‘𝑥) + 1)) · 𝑥))
153149, 152breqtrd 4644 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · ((log‘𝑥) + 1)) · 𝑥))
15416, 88, 29ledivmul2d 11878 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / 𝑥) ≤ ((𝐴 + 1) · ((log‘𝑥) + 1)) ↔ Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ≤ (((𝐴 + 1) · ((log‘𝑥) + 1)) · 𝑥)))
155153, 154mpbird 247 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / 𝑥) ≤ ((𝐴 + 1) · ((log‘𝑥) + 1)))
15685, 88, 22, 155lediv1dd 11882 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / 𝑥) / (log‘𝑥)) ≤ (((𝐴 + 1) · ((log‘𝑥) + 1)) / (log‘𝑥)))
15717, 18, 23, 30, 31divdiv1d 10784 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → ((Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / 𝑥) / (log‘𝑥)) = (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))))
158 1cnd 10008 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 ∈ ℂ)
15923, 158addcld 10011 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → ((log‘𝑥) + 1) ∈ ℂ)
160150, 159, 23, 31divassd 10788 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · ((log‘𝑥) + 1)) / (log‘𝑥)) = ((𝐴 + 1) · (((log‘𝑥) + 1) / (log‘𝑥))))
16123, 158, 23, 31divdird 10791 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → (((log‘𝑥) + 1) / (log‘𝑥)) = (((log‘𝑥) / (log‘𝑥)) + (1 / (log‘𝑥))))
16223, 31dividd 10751 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → ((log‘𝑥) / (log‘𝑥)) = 1)
163162oveq1d 6625 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → (((log‘𝑥) / (log‘𝑥)) + (1 / (log‘𝑥))) = (1 + (1 / (log‘𝑥))))
164161, 163eqtr2d 2656 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 + (1 / (log‘𝑥))) = (((log‘𝑥) + 1) / (log‘𝑥)))
165164oveq2d 6626 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))) = ((𝐴 + 1) · (((log‘𝑥) + 1) / (log‘𝑥))))
166160, 165eqtr4d 2658 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → (((𝐴 + 1) · ((log‘𝑥) + 1)) / (log‘𝑥)) = ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))))
167156, 157, 1663brtr3d 4649 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))) ≤ ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))))
16869leabsd 14095 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝐴 + 1) · (1 + (1 / (log‘𝑥)))) ≤ (abs‘((𝐴 + 1) · (1 + (1 / (log‘𝑥))))))
16937, 69, 84, 167, 168letrd 10146 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))) ≤ (abs‘((𝐴 + 1) · (1 + (1 / (log‘𝑥))))))
17082, 169eqbrtrd 4640 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥)))) ≤ (abs‘((𝐴 + 1) · (1 + (1 / (log‘𝑥))))))
171170adantrr 752 . . . . 5 ((𝜑 ∧ (𝑥 ∈ (1(,)+∞) ∧ 1 ≤ 𝑥)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥)))) ≤ (abs‘((𝐴 + 1) · (1 + (1 / (log‘𝑥))))))
1721, 68, 69, 70, 171o1le 14325 . . . 4 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥)))) ∈ 𝑂(1))
17336, 37, 54, 172o1add2 14296 . . 3 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) / (𝑥 · (log‘𝑥))) + (Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) / (𝑥 · (log‘𝑥))))) ∈ 𝑂(1))
17434, 173eqeltrd 2698 . 2 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))) ∈ 𝑂(1))
1755, 16readdcld 10021 . . 3 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) ∈ ℝ)
176175, 35rerpdivcld 11855 . 2 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥))) ∈ ℝ)
177 pntrlog2bnd.r . . . . . . . . . . . 12 𝑅 = (𝑎 ∈ ℝ+ ↦ ((ψ‘𝑎) − 𝑎))
178177pntrf 25169 . . . . . . . . . . 11 𝑅:ℝ+⟶ℝ
179178ffvelrni 6319 . . . . . . . . . 10 ((𝑥 / (𝑛 + 1)) ∈ ℝ+ → (𝑅‘(𝑥 / (𝑛 + 1))) ∈ ℝ)
180102, 179syl 17 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / (𝑛 + 1))) ∈ ℝ)
181180recnd 10020 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / (𝑛 + 1))) ∈ ℂ)
18276, 73rpdivcld 11841 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℝ+)
183178ffvelrni 6319 . . . . . . . . . 10 ((𝑥 / 𝑛) ∈ ℝ+ → (𝑅‘(𝑥 / 𝑛)) ∈ ℝ)
184182, 183syl 17 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / 𝑛)) ∈ ℝ)
185184recnd 10020 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / 𝑛)) ∈ ℂ)
186181, 185subcld 10344 . . . . . . 7 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))) ∈ ℂ)
187186abscld 14117 . . . . . 6 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛)))) ∈ ℝ)
188133, 187remulcld 10022 . . . . 5 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) ∈ ℝ)
1897, 188fsumrecl 14406 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) ∈ ℝ)
190189, 35rerpdivcld 11855 . . 3 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))) ∈ ℝ)
191190recnd 10020 . 2 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))) ∈ ℂ)
19273rpge0d 11828 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ 𝑛)
193186absge0d 14125 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛)))))
194133, 187, 192, 193mulge0d 10556 . . . . . . 7 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → 0 ≤ (𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))))
1957, 188, 194fsumge0 14465 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))))
196189, 35, 195divge0d 11864 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → 0 ≤ (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))))
197190, 196absidd 14103 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥)))) = (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))))
1986, 17addcld 10011 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) ∈ ℂ)
199198, 24, 32divcld 10753 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥))) ∈ ℂ)
200199abscld 14117 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘(((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))) ∈ ℝ)
2018, 10nndivred 11021 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℝ)
202 chpcl 24767 . . . . . . . . . . . 12 ((𝑥 / 𝑛) ∈ ℝ → (ψ‘(𝑥 / 𝑛)) ∈ ℝ)
203201, 202syl 17 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / 𝑛)) ∈ ℝ)
204203, 201readdcld 10021 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) ∈ ℝ)
205204, 15resubcld 10410 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) ∈ ℝ)
206133, 205remulcld 10022 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) ∈ ℝ)
207177pntrval 25168 . . . . . . . . . . . . . . 15 ((𝑥 / (𝑛 + 1)) ∈ ℝ+ → (𝑅‘(𝑥 / (𝑛 + 1))) = ((ψ‘(𝑥 / (𝑛 + 1))) − (𝑥 / (𝑛 + 1))))
208102, 207syl 17 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / (𝑛 + 1))) = ((ψ‘(𝑥 / (𝑛 + 1))) − (𝑥 / (𝑛 + 1))))
209177pntrval 25168 . . . . . . . . . . . . . . 15 ((𝑥 / 𝑛) ∈ ℝ+ → (𝑅‘(𝑥 / 𝑛)) = ((ψ‘(𝑥 / 𝑛)) − (𝑥 / 𝑛)))
210182, 209syl 17 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑅‘(𝑥 / 𝑛)) = ((ψ‘(𝑥 / 𝑛)) − (𝑥 / 𝑛)))
211208, 210oveq12d 6628 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))) = (((ψ‘(𝑥 / (𝑛 + 1))) − (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) − (𝑥 / 𝑛))))
21214recnd 10020 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / (𝑛 + 1))) ∈ ℂ)
213203recnd 10020 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / 𝑛)) ∈ ℂ)
214112, 113, 138divcld 10753 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / 𝑛) ∈ ℂ)
215212, 119, 213, 214sub4d 10393 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((ψ‘(𝑥 / (𝑛 + 1))) − (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) − (𝑥 / 𝑛))) = (((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛))) − ((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛))))
216211, 215eqtrd 2655 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))) = (((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛))) − ((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛))))
217216fveq2d 6157 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛)))) = (abs‘(((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛))) − ((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))))
218212, 213subcld 10344 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛))) ∈ ℂ)
219119, 214subcld 10344 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)) ∈ ℂ)
220218, 219abs2dif2d 14139 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘(((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛))) − ((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))) ≤ ((abs‘((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛)))) + (abs‘((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))))
221217, 220eqbrtrd 4640 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛)))) ≤ ((abs‘((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛)))) + (abs‘((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))))
22273, 75, 8, 77, 134lediv2ad 11846 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑥 / (𝑛 + 1)) ≤ (𝑥 / 𝑛))
223 chpwordi 24800 . . . . . . . . . . . . . 14 (((𝑥 / (𝑛 + 1)) ∈ ℝ ∧ (𝑥 / 𝑛) ∈ ℝ ∧ (𝑥 / (𝑛 + 1)) ≤ (𝑥 / 𝑛)) → (ψ‘(𝑥 / (𝑛 + 1))) ≤ (ψ‘(𝑥 / 𝑛)))
22412, 201, 222, 223syl3anc 1323 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (ψ‘(𝑥 / (𝑛 + 1))) ≤ (ψ‘(𝑥 / 𝑛)))
22514, 203, 224abssuble0d 14113 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛)))) = ((ψ‘(𝑥 / 𝑛)) − (ψ‘(𝑥 / (𝑛 + 1)))))
22612, 201, 222abssuble0d 14113 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛))) = ((𝑥 / 𝑛) − (𝑥 / (𝑛 + 1))))
227225, 226oveq12d 6628 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((abs‘((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛)))) + (abs‘((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))) = (((ψ‘(𝑥 / 𝑛)) − (ψ‘(𝑥 / (𝑛 + 1)))) + ((𝑥 / 𝑛) − (𝑥 / (𝑛 + 1)))))
228213, 214, 212, 119addsub4d 10391 . . . . . . . . . . 11 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = (((ψ‘(𝑥 / 𝑛)) − (ψ‘(𝑥 / (𝑛 + 1)))) + ((𝑥 / 𝑛) − (𝑥 / (𝑛 + 1)))))
229227, 228eqtr4d 2658 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((abs‘((ψ‘(𝑥 / (𝑛 + 1))) − (ψ‘(𝑥 / 𝑛)))) + (abs‘((𝑥 / (𝑛 + 1)) − (𝑥 / 𝑛)))) = (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
230221, 229breqtrd 4644 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛)))) ≤ (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
231187, 205, 133, 192, 230lemul2ad 10916 . . . . . . . 8 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) ≤ (𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
2327, 188, 206, 231fsumle 14469 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) ≤ Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
233205recnd 10020 . . . . . . . . . 10 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) ∈ ℂ)
234113, 233mulcld 10012 . . . . . . . . 9 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) ∈ ℂ)
2357, 234fsumcl 14405 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) ∈ ℂ)
2366, 17negdi2d 10358 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → -((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = (-(ψ‘𝑥) − Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
23729rprege0d 11831 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 ∈ ℝ ∧ 0 ≤ 𝑥))
238 flge0nn0 12569 . . . . . . . . . . . . . . . . . . . . 21 ((𝑥 ∈ ℝ ∧ 0 ≤ 𝑥) → (⌊‘𝑥) ∈ ℕ0)
239 nn0p1nn 11284 . . . . . . . . . . . . . . . . . . . . 21 ((⌊‘𝑥) ∈ ℕ0 → ((⌊‘𝑥) + 1) ∈ ℕ)
240237, 238, 2393syl 18 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑥 ∈ (1(,)+∞)) → ((⌊‘𝑥) + 1) ∈ ℕ)
2413, 240nndivred 11021 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 / ((⌊‘𝑥) + 1)) ∈ ℝ)
242 2re 11042 . . . . . . . . . . . . . . . . . . . 20 2 ∈ ℝ
243242a1i 11 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑥 ∈ (1(,)+∞)) → 2 ∈ ℝ)
244 flltp1 12549 . . . . . . . . . . . . . . . . . . . . . 22 (𝑥 ∈ ℝ → 𝑥 < ((⌊‘𝑥) + 1))
2453, 244syl 17 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 < ((⌊‘𝑥) + 1))
246240nncnd 10988 . . . . . . . . . . . . . . . . . . . . . 22 ((𝜑𝑥 ∈ (1(,)+∞)) → ((⌊‘𝑥) + 1) ∈ ℂ)
247246mulid1d 10009 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → (((⌊‘𝑥) + 1) · 1) = ((⌊‘𝑥) + 1))
248245, 247breqtrrd 4646 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑥 ∈ (1(,)+∞)) → 𝑥 < (((⌊‘𝑥) + 1) · 1))
249240nnrpd 11822 . . . . . . . . . . . . . . . . . . . . 21 ((𝜑𝑥 ∈ (1(,)+∞)) → ((⌊‘𝑥) + 1) ∈ ℝ+)
2503, 27, 249ltdivmuld 11875 . . . . . . . . . . . . . . . . . . . 20 ((𝜑𝑥 ∈ (1(,)+∞)) → ((𝑥 / ((⌊‘𝑥) + 1)) < 1 ↔ 𝑥 < (((⌊‘𝑥) + 1) · 1)))
251248, 250mpbird 247 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 / ((⌊‘𝑥) + 1)) < 1)
252 1lt2 11146 . . . . . . . . . . . . . . . . . . . 20 1 < 2
253252a1i 11 . . . . . . . . . . . . . . . . . . 19 ((𝜑𝑥 ∈ (1(,)+∞)) → 1 < 2)
254241, 27, 243, 251, 253lttrd 10150 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 / ((⌊‘𝑥) + 1)) < 2)
255 chpeq0 24850 . . . . . . . . . . . . . . . . . . 19 ((𝑥 / ((⌊‘𝑥) + 1)) ∈ ℝ → ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) = 0 ↔ (𝑥 / ((⌊‘𝑥) + 1)) < 2))
256241, 255syl 17 . . . . . . . . . . . . . . . . . 18 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) = 0 ↔ (𝑥 / ((⌊‘𝑥) + 1)) < 2))
257254, 256mpbird 247 . . . . . . . . . . . . . . . . 17 ((𝜑𝑥 ∈ (1(,)+∞)) → (ψ‘(𝑥 / ((⌊‘𝑥) + 1))) = 0)
258257oveq1d 6625 . . . . . . . . . . . . . . . 16 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1))) = (0 + (𝑥 / ((⌊‘𝑥) + 1))))
259241recnd 10020 . . . . . . . . . . . . . . . . 17 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 / ((⌊‘𝑥) + 1)) ∈ ℂ)
260259addid2d 10189 . . . . . . . . . . . . . . . 16 ((𝜑𝑥 ∈ (1(,)+∞)) → (0 + (𝑥 / ((⌊‘𝑥) + 1))) = (𝑥 / ((⌊‘𝑥) + 1)))
261258, 260eqtrd 2655 . . . . . . . . . . . . . . 15 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1))) = (𝑥 / ((⌊‘𝑥) + 1)))
262261oveq2d 6626 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) = (((⌊‘𝑥) + 1) · (𝑥 / ((⌊‘𝑥) + 1))))
263240nnne0d 11017 . . . . . . . . . . . . . . 15 ((𝜑𝑥 ∈ (1(,)+∞)) → ((⌊‘𝑥) + 1) ≠ 0)
26418, 246, 263divcan2d 10755 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (((⌊‘𝑥) + 1) · (𝑥 / ((⌊‘𝑥) + 1))) = 𝑥)
265262, 264eqtrd 2655 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) = 𝑥)
26618div1d 10745 . . . . . . . . . . . . . . . . 17 ((𝜑𝑥 ∈ (1(,)+∞)) → (𝑥 / 1) = 𝑥)
267266fveq2d 6157 . . . . . . . . . . . . . . . 16 ((𝜑𝑥 ∈ (1(,)+∞)) → (ψ‘(𝑥 / 1)) = (ψ‘𝑥))
268267, 266oveq12d 6628 . . . . . . . . . . . . . . 15 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘(𝑥 / 1)) + (𝑥 / 1)) = ((ψ‘𝑥) + 𝑥))
269268oveq2d 6626 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1))) = (1 · ((ψ‘𝑥) + 𝑥)))
2705, 3readdcld 10021 . . . . . . . . . . . . . . . 16 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) + 𝑥) ∈ ℝ)
271270recnd 10020 . . . . . . . . . . . . . . 15 ((𝜑𝑥 ∈ (1(,)+∞)) → ((ψ‘𝑥) + 𝑥) ∈ ℂ)
272271mulid2d 10010 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 · ((ψ‘𝑥) + 𝑥)) = ((ψ‘𝑥) + 𝑥))
273269, 272eqtrd 2655 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1))) = ((ψ‘𝑥) + 𝑥))
274265, 273oveq12d 6628 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → ((((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) − (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))) = (𝑥 − ((ψ‘𝑥) + 𝑥)))
275271, 18negsubdi2d 10360 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → -(((ψ‘𝑥) + 𝑥) − 𝑥) = (𝑥 − ((ψ‘𝑥) + 𝑥)))
2766, 18pncand 10345 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) + 𝑥) − 𝑥) = (ψ‘𝑥))
277276negeqd 10227 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → -(((ψ‘𝑥) + 𝑥) − 𝑥) = -(ψ‘𝑥))
278274, 275, 2773eqtr2d 2661 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → ((((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) − (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))) = -(ψ‘𝑥))
2793flcld 12547 . . . . . . . . . . . . . 14 ((𝜑𝑥 ∈ (1(,)+∞)) → (⌊‘𝑥) ∈ ℤ)
280 fzval3 12485 . . . . . . . . . . . . . 14 ((⌊‘𝑥) ∈ ℤ → (1...(⌊‘𝑥)) = (1..^((⌊‘𝑥) + 1)))
281279, 280syl 17 . . . . . . . . . . . . 13 ((𝜑𝑥 ∈ (1(,)+∞)) → (1...(⌊‘𝑥)) = (1..^((⌊‘𝑥) + 1)))
282281eqcomd 2627 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → (1..^((⌊‘𝑥) + 1)) = (1...(⌊‘𝑥)))
283113, 114pncan2d 10346 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((𝑛 + 1) − 𝑛) = 1)
284283oveq1d 6625 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = (1 · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
28515recnd 10020 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ∈ ℂ)
286285mulid2d 10010 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (1 · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
287284, 286eqtrd 2655 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
288282, 287sumeq12rdv 14379 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
289278, 288oveq12d 6628 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → (((((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) − (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))) − Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = (-(ψ‘𝑥) − Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
290 oveq2 6618 . . . . . . . . . . . . . . 15 (𝑚 = 𝑛 → (𝑥 / 𝑚) = (𝑥 / 𝑛))
291290fveq2d 6157 . . . . . . . . . . . . . 14 (𝑚 = 𝑛 → (ψ‘(𝑥 / 𝑚)) = (ψ‘(𝑥 / 𝑛)))
292291, 290oveq12d 6628 . . . . . . . . . . . . 13 (𝑚 = 𝑛 → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)))
293292ancli 573 . . . . . . . . . . . 12 (𝑚 = 𝑛 → (𝑚 = 𝑛 ∧ ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛))))
294 oveq2 6618 . . . . . . . . . . . . . . 15 (𝑚 = (𝑛 + 1) → (𝑥 / 𝑚) = (𝑥 / (𝑛 + 1)))
295294fveq2d 6157 . . . . . . . . . . . . . 14 (𝑚 = (𝑛 + 1) → (ψ‘(𝑥 / 𝑚)) = (ψ‘(𝑥 / (𝑛 + 1))))
296295, 294oveq12d 6628 . . . . . . . . . . . . 13 (𝑚 = (𝑛 + 1) → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))
297296ancli 573 . . . . . . . . . . . 12 (𝑚 = (𝑛 + 1) → (𝑚 = (𝑛 + 1) ∧ ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
298 oveq2 6618 . . . . . . . . . . . . . . 15 (𝑚 = 1 → (𝑥 / 𝑚) = (𝑥 / 1))
299298fveq2d 6157 . . . . . . . . . . . . . 14 (𝑚 = 1 → (ψ‘(𝑥 / 𝑚)) = (ψ‘(𝑥 / 1)))
300299, 298oveq12d 6628 . . . . . . . . . . . . 13 (𝑚 = 1 → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))
301300ancli 573 . . . . . . . . . . . 12 (𝑚 = 1 → (𝑚 = 1 ∧ ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / 1)) + (𝑥 / 1))))
302 oveq2 6618 . . . . . . . . . . . . . . 15 (𝑚 = ((⌊‘𝑥) + 1) → (𝑥 / 𝑚) = (𝑥 / ((⌊‘𝑥) + 1)))
303302fveq2d 6157 . . . . . . . . . . . . . 14 (𝑚 = ((⌊‘𝑥) + 1) → (ψ‘(𝑥 / 𝑚)) = (ψ‘(𝑥 / ((⌊‘𝑥) + 1))))
304303, 302oveq12d 6628 . . . . . . . . . . . . 13 (𝑚 = ((⌊‘𝑥) + 1) → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1))))
305304ancli 573 . . . . . . . . . . . 12 (𝑚 = ((⌊‘𝑥) + 1) → (𝑚 = ((⌊‘𝑥) + 1) ∧ ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) = ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))))
306 nnuz 11675 . . . . . . . . . . . . 13 ℕ = (ℤ‘1)
307240, 306syl6eleq 2708 . . . . . . . . . . . 12 ((𝜑𝑥 ∈ (1(,)+∞)) → ((⌊‘𝑥) + 1) ∈ (ℤ‘1))
308 elfznn 12320 . . . . . . . . . . . . . 14 (𝑚 ∈ (1...((⌊‘𝑥) + 1)) → 𝑚 ∈ ℕ)
309308adantl 482 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → 𝑚 ∈ ℕ)
310309nncnd 10988 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → 𝑚 ∈ ℂ)
3113adantr 481 . . . . . . . . . . . . . . . 16 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → 𝑥 ∈ ℝ)
312311, 309nndivred 11021 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → (𝑥 / 𝑚) ∈ ℝ)
313 chpcl 24767 . . . . . . . . . . . . . . 15 ((𝑥 / 𝑚) ∈ ℝ → (ψ‘(𝑥 / 𝑚)) ∈ ℝ)
314312, 313syl 17 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → (ψ‘(𝑥 / 𝑚)) ∈ ℝ)
315314, 312readdcld 10021 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) ∈ ℝ)
316315recnd 10020 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑚 ∈ (1...((⌊‘𝑥) + 1))) → ((ψ‘(𝑥 / 𝑚)) + (𝑥 / 𝑚)) ∈ ℂ)
317293, 297, 301, 305, 307, 310, 316fsumparts 14476 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(𝑛 · (((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)))) = (((((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) − (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))) − Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
318213, 214addcld 10011 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) ∈ ℂ)
319212, 119addcld 10011 . . . . . . . . . . . . . . 15 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) ∈ ℂ)
320318, 319negsubdi2d 10360 . . . . . . . . . . . . . 14 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → -(((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = (((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛))))
321320oveq2d 6626 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · -(((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = (𝑛 · (((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)))))
322113, 233mulneg2d 10436 . . . . . . . . . . . . 13 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · -(((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = -(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
323321, 322eqtr3d 2657 . . . . . . . . . . . 12 (((𝜑𝑥 ∈ (1(,)+∞)) ∧ 𝑛 ∈ (1...(⌊‘𝑥))) → (𝑛 · (((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)))) = -(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
324282, 323sumeq12rdv 14379 . . . . . . . . . . 11 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(𝑛 · (((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))) − ((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)))) = Σ𝑛 ∈ (1...(⌊‘𝑥))-(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
325317, 324eqtr3d 2657 . . . . . . . . . 10 ((𝜑𝑥 ∈ (1(,)+∞)) → (((((⌊‘𝑥) + 1) · ((ψ‘(𝑥 / ((⌊‘𝑥) + 1))) + (𝑥 / ((⌊‘𝑥) + 1)))) − (1 · ((ψ‘(𝑥 / 1)) + (𝑥 / 1)))) − Σ𝑛 ∈ (1..^((⌊‘𝑥) + 1))(((𝑛 + 1) − 𝑛) · ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = Σ𝑛 ∈ (1...(⌊‘𝑥))-(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
326236, 289, 3253eqtr2d 2661 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → -((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) = Σ𝑛 ∈ (1...(⌊‘𝑥))-(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
3277, 234fsumneg 14458 . . . . . . . . 9 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))-(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = -Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))))
328326, 327eqtr2d 2656 . . . . . . . 8 ((𝜑𝑥 ∈ (1(,)+∞)) → -Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = -((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
329235, 198, 328neg11d 10356 . . . . . . 7 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (((ψ‘(𝑥 / 𝑛)) + (𝑥 / 𝑛)) − ((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1))))) = ((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
330232, 329breqtrd 4644 . . . . . 6 ((𝜑𝑥 ∈ (1(,)+∞)) → Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) ≤ ((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))))
331189, 175, 35, 330lediv1dd 11882 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))) ≤ (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥))))
332176leabsd 14095 . . . . 5 ((𝜑𝑥 ∈ (1(,)+∞)) → (((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥))) ≤ (abs‘(((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))))
333190, 176, 200, 331, 332letrd 10146 . . . 4 ((𝜑𝑥 ∈ (1(,)+∞)) → (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥))) ≤ (abs‘(((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))))
334197, 333eqbrtrd 4640 . . 3 ((𝜑𝑥 ∈ (1(,)+∞)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥)))) ≤ (abs‘(((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))))
335334adantrr 752 . 2 ((𝜑 ∧ (𝑥 ∈ (1(,)+∞) ∧ 1 ≤ 𝑥)) → (abs‘(Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥)))) ≤ (abs‘(((ψ‘𝑥) + Σ𝑛 ∈ (1...(⌊‘𝑥))((ψ‘(𝑥 / (𝑛 + 1))) + (𝑥 / (𝑛 + 1)))) / (𝑥 · (log‘𝑥)))))
3361, 174, 176, 191, 335o1le 14325 1 (𝜑 → (𝑥 ∈ (1(,)+∞) ↦ (Σ𝑛 ∈ (1...(⌊‘𝑥))(𝑛 · (abs‘((𝑅‘(𝑥 / (𝑛 + 1))) − (𝑅‘(𝑥 / 𝑛))))) / (𝑥 · (log‘𝑥)))) ∈ 𝑂(1))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wb 196  wa 384   = wceq 1480  wcel 1987  wral 2907  wss 3559   class class class wbr 4618  cmpt 4678  cfv 5852  (class class class)co 6610  cc 9886  cr 9887  0cc0 9888  1c1 9889   + caddc 9891   · cmul 9893  +∞cpnf 10023   < clt 10026  cle 10027  cmin 10218  -cneg 10219   / cdiv 10636  cn 10972  2c2 11022  0cn0 11244  cz 11329  cuz 11639  +crp 11784  (,)cioo 12125  ...cfz 12276  ..^cfzo 12414  cfl 12539  abscabs 13916  𝑟 crli 14158  𝑂(1)co1 14159  Σcsu 14358  logclog 24222  Λcvma 24735  ψcchp 24736
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1719  ax-4 1734  ax-5 1836  ax-6 1885  ax-7 1932  ax-8 1989  ax-9 1996  ax-10 2016  ax-11 2031  ax-12 2044  ax-13 2245  ax-ext 2601  ax-rep 4736  ax-sep 4746  ax-nul 4754  ax-pow 4808  ax-pr 4872  ax-un 6909  ax-inf2 8490  ax-cnex 9944  ax-resscn 9945  ax-1cn 9946  ax-icn 9947  ax-addcl 9948  ax-addrcl 9949  ax-mulcl 9950  ax-mulrcl 9951  ax-mulcom 9952  ax-addass 9953  ax-mulass 9954  ax-distr 9955  ax-i2m1 9956  ax-1ne0 9957  ax-1rid 9958  ax-rnegex 9959  ax-rrecex 9960  ax-cnre 9961  ax-pre-lttri 9962  ax-pre-lttrn 9963  ax-pre-ltadd 9964  ax-pre-mulgt0 9965  ax-pre-sup 9966  ax-addf 9967  ax-mulf 9968
This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1037  df-3an 1038  df-tru 1483  df-fal 1486  df-ex 1702  df-nf 1707  df-sb 1878  df-eu 2473  df-mo 2474  df-clab 2608  df-cleq 2614  df-clel 2617  df-nfc 2750  df-ne 2791  df-nel 2894  df-ral 2912  df-rex 2913  df-reu 2914  df-rmo 2915  df-rab 2916  df-v 3191  df-sbc 3422  df-csb 3519  df-dif 3562  df-un 3564  df-in 3566  df-ss 3573  df-pss 3575  df-nul 3897  df-if 4064  df-pw 4137  df-sn 4154  df-pr 4156  df-tp 4158  df-op 4160  df-uni 4408  df-int 4446  df-iun 4492  df-iin 4493  df-br 4619  df-opab 4679  df-mpt 4680  df-tr 4718  df-eprel 4990  df-id 4994  df-po 5000  df-so 5001  df-fr 5038  df-se 5039  df-we 5040  df-xp 5085  df-rel 5086  df-cnv 5087  df-co 5088  df-dm 5089  df-rn 5090  df-res 5091  df-ima 5092  df-pred 5644  df-ord 5690  df-on 5691  df-lim 5692  df-suc 5693  df-iota 5815  df-fun 5854  df-fn 5855  df-f 5856  df-f1 5857  df-fo 5858  df-f1o 5859  df-fv 5860  df-isom 5861  df-riota 6571  df-ov 6613  df-oprab 6614  df-mpt2 6615  df-of 6857  df-om 7020  df-1st 7120  df-2nd 7121  df-supp 7248  df-wrecs 7359  df-recs 7420  df-rdg 7458  df-1o 7512  df-2o 7513  df-oadd 7516  df-er 7694  df-map 7811  df-pm 7812  df-ixp 7861  df-en 7908  df-dom 7909  df-sdom 7910  df-fin 7911  df-fsupp 8228  df-fi 8269  df-sup 8300  df-inf 8301  df-oi 8367  df-card 8717  df-cda 8942  df-pnf 10028  df-mnf 10029  df-xr 10030  df-ltxr 10031  df-le 10032  df-sub 10220  df-neg 10221  df-div 10637  df-nn 10973  df-2 11031  df-3 11032  df-4 11033  df-5 11034  df-6 11035  df-7 11036  df-8 11037  df-9 11038  df-n0 11245  df-xnn0 11316  df-z 11330  df-dec 11446  df-uz 11640  df-q 11741  df-rp 11785  df-xneg 11898  df-xadd 11899  df-xmul 11900  df-ioo 12129  df-ioc 12130  df-ico 12131  df-icc 12132  df-fz 12277  df-fzo 12415  df-fl 12541  df-mod 12617  df-seq 12750  df-exp 12809  df-fac 13009  df-bc 13038  df-hash 13066  df-shft 13749  df-cj 13781  df-re 13782  df-im 13783  df-sqrt 13917  df-abs 13918  df-limsup 14144  df-clim 14161  df-rlim 14162  df-o1 14163  df-lo1 14164  df-sum 14359  df-ef 14734  df-e 14735  df-sin 14736  df-cos 14737  df-pi 14739  df-dvds 14919  df-gcd 15152  df-prm 15321  df-pc 15477  df-struct 15794  df-ndx 15795  df-slot 15796  df-base 15797  df-sets 15798  df-ress 15799  df-plusg 15886  df-mulr 15887  df-starv 15888  df-sca 15889  df-vsca 15890  df-ip 15891  df-tset 15892  df-ple 15893  df-ds 15896  df-unif 15897  df-hom 15898  df-cco 15899  df-rest 16015  df-topn 16016  df-0g 16034  df-gsum 16035  df-topgen 16036  df-pt 16037  df-prds 16040  df-xrs 16094  df-qtop 16099  df-imas 16100  df-xps 16102  df-mre 16178  df-mrc 16179  df-acs 16181  df-mgm 17174  df-sgrp 17216  df-mnd 17227  df-submnd 17268  df-mulg 17473  df-cntz 17682  df-cmn 18127  df-psmet 19670  df-xmet 19671  df-met 19672  df-bl 19673  df-mopn 19674  df-fbas 19675  df-fg 19676  df-cnfld 19679  df-top 20631  df-topon 20648  df-topsp 20661  df-bases 20674  df-cld 20746  df-ntr 20747  df-cls 20748  df-nei 20825  df-lp 20863  df-perf 20864  df-cn 20954  df-cnp 20955  df-haus 21042  df-tx 21288  df-hmeo 21481  df-fil 21573  df-fm 21665  df-flim 21666  df-flf 21667  df-xms 22048  df-ms 22049  df-tms 22050  df-cncf 22604  df-limc 23553  df-dv 23554  df-log 24224  df-cxp 24225  df-em 24636  df-cht 24740  df-vma 24741  df-chp 24742  df-ppi 24743
This theorem is referenced by:  pntrlog2bndlem3  25185
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