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Theorem lgamcvg2 27375
Description: The series 𝐺 converges to log Γ(𝐴 + 1). (Contributed by Mario Carneiro, 9-Jul-2017.)
Hypotheses
Ref Expression
lgamcvg.g 𝐺 = (𝑚 ∈ ℕ ↦ ((𝐴 · (log‘((𝑚 + 1) / 𝑚))) − (log‘((𝐴 / 𝑚) + 1))))
lgamcvg.a (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)))
Assertion
Ref Expression
lgamcvg2 (𝜑 → seq1( + , 𝐺) ⇝ (log Γ‘(𝐴 + 1)))
Distinct variable groups:   𝐴,𝑚   𝜑,𝑚
Allowed substitution hint:   𝐺(𝑚)

Proof of Theorem lgamcvg2
Dummy variables 𝑘 𝑛 𝑟 𝑥 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 nnuz 12997 . . 3 ℕ = (ℤ≥‘1)
2 1zzd 12720 . . 3 (𝜑 → 1 ∈ ℤ)
3 eqid 2761 . . . 4 (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))) = (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1))))
4 lgamcvg.a . . . . 5 (𝜑 → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)))
5 1nn0 12615 . . . . . 6 1 ∈ ℕ0
65a1i 11 . . . . 5 (𝜑 → 1 ∈ ℕ0)
74, 6dmgmaddnn0 27347 . . . 4 (𝜑 → (𝐴 + 1) ∈ (ℂ ∖ (ℤ ∖ ℕ)))
83, 7lgamcvg 27374 . . 3 (𝜑 → seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1))))) ⇝ ((log Γ‘(𝐴 + 1)) + (log‘(𝐴 + 1))))
9 seqex 14139 . . . 4 seq1( + , 𝐺) ∈ V
109a1i 11 . . 3 (𝜑 → seq1( + , 𝐺) ∈ V)
114eldifad 3911 . . . . . . . 8 (𝜑 → 𝐴 ∈ ℂ)
1211abscld 15599 . . . . . . 7 (𝜑 → (abs‘𝐴) ∈ ℝ)
13 arch 12596 . . . . . . 7 ((abs‘𝐴) ∈ ℝ → ∃𝑟 ∈ ℕ (abs‘𝐴) < 𝑟)
1412, 13syl 18 . . . . . 6 (𝜑 → ∃𝑟 ∈ ℕ (abs‘𝐴) < 𝑟)
15 eqid 2761 . . . . . . . . 9 (ℤ≥‘𝑟) = (ℤ≥‘𝑟)
16 simprl 783 . . . . . . . . . 10 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 𝑟 ∈ ℕ)
1716nnzd 12712 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 𝑟 ∈ ℤ)
18 eqid 2761 . . . . . . . . . . 11 (ℂ ∖ (-∞(,]0)) = (ℂ ∖ (-∞(,]0))
1918logcn 26968 . . . . . . . . . 10 (log ↾ (ℂ ∖ (-∞(,]0))) ∈ ((ℂ ∖ (-∞(,]0))–cn→ℂ)
2019a1i 11 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (log ↾ (ℂ ∖ (-∞(,]0))) ∈ ((ℂ ∖ (-∞(,]0))–cn→ℂ))
21 eqid 2761 . . . . . . . . . . . 12 (1(ball‘(abs ∘ − ))1) = (1(ball‘(abs ∘ − ))1)
2221dvlog2lem 26973 . . . . . . . . . . 11 (1(ball‘(abs ∘ − ))1) ⊆ (ℂ ∖ (-∞(,]0))
2311ad2antrr 739 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝐴 ∈ ℂ)
24 eluznn 13038 . . . . . . . . . . . . . . . . . . . . . 22 ((𝑟 ∈ ℕ ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑚 ∈ ℕ)
2524ex 418 . . . . . . . . . . . . . . . . . . . . 21 (𝑟 ∈ ℕ → (𝑚 ∈ (ℤ≥‘𝑟) → 𝑚 ∈ ℕ))
2625ad2antrl 741 . . . . . . . . . . . . . . . . . . . 20 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) → 𝑚 ∈ ℕ))
2726imp 412 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑚 ∈ ℕ)
2827nncnd 12344 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑚 ∈ ℂ)
29 1cnd 11295 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈ ℂ)
3028, 29addcld 11321 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℂ)
3127peano2nnd 12345 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℕ)
3231nnne0d 12381 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ≠ 0)
3323, 30, 32divcld 12086 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝐴 / (𝑚 + 1)) ∈ ℂ)
3433, 29addcld 11321 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ ℂ)
35 ax-1cn 11251 . . . . . . . . . . . . . . 15 1 ∈ ℂ
36 eqid 2761 . . . . . . . . . . . . . . . 16 (abs ∘ − ) = (abs ∘ − )
3736cnmetdval 25082 . . . . . . . . . . . . . . 15 ((((𝐴 / (𝑚 + 1)) + 1) ∈ ℂ ∧ 1 ∈ ℂ) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) = (abs‘(((𝐴 / (𝑚 + 1)) + 1) − 1)))
3834, 35, 37sylancl 598 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) = (abs‘(((𝐴 / (𝑚 + 1)) + 1) − 1)))
3933, 29pncand 11663 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1) − 1) = (𝐴 / (𝑚 + 1)))
4039fveq2d 6887 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(((𝐴 / (𝑚 + 1)) + 1) − 1)) = (abs‘(𝐴 / (𝑚 + 1))))
4123, 30, 32absdivd 15618 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝐴 / (𝑚 + 1))) = ((abs‘𝐴) / (abs‘(𝑚 + 1))))
4231nnred 12343 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℝ)
4331nnrpd 13155 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℝ+)
4443rpge0d 13161 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 0 ≤ (𝑚 + 1))
4542, 44absidd 15583 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝑚 + 1)) = (𝑚 + 1))
4645oveq2d 7434 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((abs‘𝐴) / (abs‘(𝑚 + 1))) = ((abs‘𝐴) / (𝑚 + 1)))
4741, 46eqtrd 2796 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝐴 / (𝑚 + 1))) = ((abs‘𝐴) / (𝑚 + 1)))
4838, 40, 473eqtrd 2800 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) = ((abs‘𝐴) / (𝑚 + 1)))
4912ad2antrr 739 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) ∈ ℝ)
5016adantr 486 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ∈ ℕ)
5150nnred 12343 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ∈ ℝ)
52 simplrr 790 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < 𝑟)
53 eluzle 12971 . . . . . . . . . . . . . . . . . 18 (𝑚 ∈ (ℤ≥‘𝑟) → 𝑟 ≤ 𝑚)
5453adantl 487 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ≤ 𝑚)
55 nnleltp1 12747 . . . . . . . . . . . . . . . . . 18 ((𝑟 ∈ ℕ ∧ 𝑚 ∈ ℕ) → (𝑟 ≤ 𝑚 ↔ 𝑟 < (𝑚 + 1)))
5650, 27, 55syl2anc 596 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑟 ≤ 𝑚 ↔ 𝑟 < (𝑚 + 1)))
5754, 56mpbid 235 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 < (𝑚 + 1))
5849, 51, 42, 52, 57lttrd 11464 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < (𝑚 + 1))
5930mulridd 11319 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝑚 + 1) · 1) = (𝑚 + 1))
6058, 59breqtrrd 5133 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < ((𝑚 + 1) · 1))
61 1red 11302 . . . . . . . . . . . . . . 15 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈ ℝ)
6249, 61, 43ltdivmuld 13208 . . . . . . . . . . . . . 14 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((abs‘𝐴) / (𝑚 + 1)) < 1 ↔ (abs‘𝐴) < ((𝑚 + 1) · 1)))
6360, 62mpbird 260 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((abs‘𝐴) / (𝑚 + 1)) < 1)
6448, 63eqbrtrd 5127 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) < 1)
65 cnxmet 25084 . . . . . . . . . . . . . 14 (abs ∘ − ) ∈ (∞Met‘ℂ)
6665a1i 11 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs ∘ − ) ∈ (∞Met‘ℂ))
67 1rp 13117 . . . . . . . . . . . . . 14 1 ∈ ℝ+
68 rpxr 13123 . . . . . . . . . . . . . 14 (1 ∈ ℝ+ → 1 ∈ ℝ*)
6967, 68mp1i 14 . . . . . . . . . . . . 13 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈ ℝ*)
70 elbl3 24704 . . . . . . . . . . . . 13 ((((abs ∘ − ) ∈ (∞Met‘ℂ) ∧ 1 ∈ ℝ*) ∧ (1 ∈ ℂ ∧ ((𝐴 / (𝑚 + 1)) + 1) ∈ ℂ)) → (((𝐴 / (𝑚 + 1)) + 1) ∈ (1(ball‘(abs ∘ − ))1) ↔ (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) < 1))
7166, 69, 29, 34, 70syl22anc 852 . . . . . . . . . . . 12 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1) ∈ (1(ball‘(abs ∘ − ))1) ↔ (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) < 1))
7264, 71mpbird 260 . . . . . . . . . . 11 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (1(ball‘(abs ∘ − ))1))
7322, 72sselid 3929 . . . . . . . . . 10 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (ℂ ∖ (-∞(,]0)))
7473fmpttd 7113 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)):(ℤ≥‘𝑟)⟶(ℂ ∖ (-∞(,]0)))
7526ssrdv 3937 . . . . . . . . . . 11 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (ℤ≥‘𝑟) ⊆ ℕ)
7675resmptd 6032 . . . . . . . . . 10 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾ (ℤ≥‘𝑟)) = (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)))
77 nnex 12334 . . . . . . . . . . . . . . . . 17 ℕ ∈ V
7877mptex 7227 . . . . . . . . . . . . . . . 16 (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ∈ V
7978a1i 11 . . . . . . . . . . . . . . 15 (𝜑 → (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ∈ V)
80 oveq1 7425 . . . . . . . . . . . . . . . . . 18 (𝑚 = 𝑛 → (𝑚 + 1) = (𝑛 + 1))
8180oveq2d 7434 . . . . . . . . . . . . . . . . 17 (𝑚 = 𝑛 → (𝐴 / (𝑚 + 1)) = (𝐴 / (𝑛 + 1)))
82 eqid 2761 . . . . . . . . . . . . . . . . 17 (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) = (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))
83 ovex 7451 . . . . . . . . . . . . . . . . 17 (𝐴 / (𝑛 + 1)) ∈ V
8481, 82, 83fvmpt 6991 . . . . . . . . . . . . . . . 16 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) = (𝐴 / (𝑛 + 1)))
8584adantl 487 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) = (𝐴 / (𝑛 + 1)))
861, 2, 11, 2, 79, 85divcnvshft 16017 . . . . . . . . . . . . . 14 (𝜑 → (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ⇝ 0)
87 1cnd 11295 . . . . . . . . . . . . . 14 (𝜑 → 1 ∈ ℂ)
8877mptex 7227 . . . . . . . . . . . . . . 15 (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ∈ V
8988a1i 11 . . . . . . . . . . . . . 14 (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ∈ V)
9011adantr 486 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ∈ ℂ)
91 simpr 490 . . . . . . . . . . . . . . . . . 18 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℕ)
9291nncnd 12344 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℂ)
93 1cnd 11295 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑛 ∈ ℕ) → 1 ∈ ℂ)
9492, 93addcld 11321 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈ ℂ)
9591peano2nnd 12345 . . . . . . . . . . . . . . . . 17 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈ ℕ)
9695nnne0d 12381 . . . . . . . . . . . . . . . 16 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ≠ 0)
9790, 94, 96divcld 12086 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴 / (𝑛 + 1)) ∈ ℂ)
9885, 97eqeltrd 2861 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) ∈ ℂ)
9981oveq1d 7433 . . . . . . . . . . . . . . . . 17 (𝑚 = 𝑛 → ((𝐴 / (𝑚 + 1)) + 1) = ((𝐴 / (𝑛 + 1)) + 1))
100 eqid 2761 . . . . . . . . . . . . . . . . 17 (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) = (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))
101 ovex 7451 . . . . . . . . . . . . . . . . 17 ((𝐴 / (𝑛 + 1)) + 1) ∈ V
10299, 100, 101fvmpt 6991 . . . . . . . . . . . . . . . 16 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = ((𝐴 / (𝑛 + 1)) + 1))
103102adantl 487 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = ((𝐴 / (𝑛 + 1)) + 1))
10485oveq1d 7433 . . . . . . . . . . . . . . 15 ((𝜑 ∧ 𝑛 ∈ ℕ) → (((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) + 1) = ((𝐴 / (𝑛 + 1)) + 1))
105103, 104eqtr4d 2799 . . . . . . . . . . . . . 14 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = (((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) + 1))
1061, 2, 86, 87, 89, 98, 105climaddc1 15795 . . . . . . . . . . . . 13 (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ (0 + 1))
107 0p1e1 12456 . . . . . . . . . . . . 13 (0 + 1) = 1
108106, 107breqtrdi 5146 . . . . . . . . . . . 12 (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1)
109108adantr 486 . . . . . . . . . . 11 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1)
110 climres 15735 . . . . . . . . . . . 12 ((𝑟 ∈ ℤ ∧ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ∈ V) → (((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾ (ℤ≥‘𝑟)) ⇝ 1 ↔ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1))
11117, 88, 110sylancl 598 . . . . . . . . . . 11 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾ (ℤ≥‘𝑟)) ⇝ 1 ↔ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1))
112109, 111mpbird 260 . . . . . . . . . 10 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾ (ℤ≥‘𝑟)) ⇝ 1)
11376, 112eqbrtrrd 5129 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1)
11467a1i 11 . . . . . . . . . . 11 (1 ∈ ℝ → 1 ∈ ℝ+)
11518ellogdm 26960 . . . . . . . . . . 11 (1 ∈ (ℂ ∖ (-∞(,]0)) ↔ (1 ∈ ℂ ∧ (1 ∈ ℝ → 1 ∈ ℝ+)))
11635, 114, 115mpbir2an 724 . . . . . . . . . 10 1 ∈ (ℂ ∖ (-∞(,]0))
117116a1i 11 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 1 ∈ (ℂ ∖ (-∞(,]0)))
11815, 17, 20, 74, 113, 117climcncf 25214 . . . . . . . 8 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖ (-∞(,]0))) ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) ⇝ ((log ↾ (ℂ ∖ (-∞(,]0)))‘1))
119 logf1o 26885 . . . . . . . . . . 11 log:(ℂ ∖ {0})–1-1-onto→ran log
120 f1of 6822 . . . . . . . . . . 11 (log:(ℂ ∖ {0})–1-1-onto→ran log → log:(ℂ ∖ {0})⟶ran log)
121119, 120mp1i 14 . . . . . . . . . 10 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → log:(ℂ ∖ {0})⟶ran log)
12218logdmss 26963 . . . . . . . . . . 11 (ℂ ∖ (-∞(,]0)) ⊆ (ℂ ∖ {0})
123122, 73sselid 3929 . . . . . . . . . 10 (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (ℂ ∖ {0}))
124121, 123cofmpt 7131 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (log ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) = (𝑚 ∈ (ℤ≥‘𝑟) ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))))
125 frn 6715 . . . . . . . . . 10 ((𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)):(ℤ≥‘𝑟)⟶(ℂ ∖ (-∞(,]0)) → ran (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⊆ (ℂ ∖ (-∞(,]0)))
126 cores 6249 . . . . . . . . . 10 (ran (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⊆ (ℂ ∖ (-∞(,]0)) → ((log ↾ (ℂ ∖ (-∞(,]0))) ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) = (log ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))))
12774, 125, 1263syl 19 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖ (-∞(,]0))) ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) = (log ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))))
12875resmptd 6032 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾ (ℤ≥‘𝑟)) = (𝑚 ∈ (ℤ≥‘𝑟) ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))))
129124, 127, 1283eqtr4d 2806 . . . . . . . 8 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖ (-∞(,]0))) ∘ (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) = ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾ (ℤ≥‘𝑟)))
130 fvres 6902 . . . . . . . . . 10 (1 ∈ (ℂ ∖ (-∞(,]0)) → ((log ↾ (ℂ ∖ (-∞(,]0)))‘1) = (log‘1))
131116, 130mp1i 14 . . . . . . . . 9 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖ (-∞(,]0)))‘1) = (log‘1))
132 log1 26906 . . . . . . . . 9 (log‘1) = 0
133131, 132eqtrdi 2812 . . . . . . . 8 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖ (-∞(,]0)))‘1) = 0)
134118, 129, 1333brtr3d 5136 . . . . . . 7 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾ (ℤ≥‘𝑟)) ⇝ 0)
13577mptex 7227 . . . . . . . 8 (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ∈ V
136 climres 15735 . . . . . . . 8 ((𝑟 ∈ ℤ ∧ (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ∈ V) → (((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾ (ℤ≥‘𝑟)) ⇝ 0 ↔ (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0))
13717, 135, 136sylancl 598 . . . . . . 7 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾ (ℤ≥‘𝑟)) ⇝ 0 ↔ (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0))
138134, 137mpbid 235 . . . . . 6 ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0)
13914, 138rexlimddv 3170 . . . . 5 (𝜑 → (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0)
14011, 87addcld 11321 . . . . . 6 (𝜑 → (𝐴 + 1) ∈ ℂ)
1417dmgmn0 27346 . . . . . 6 (𝜑 → (𝐴 + 1) ≠ 0)
142140, 141logcld 26891 . . . . 5 (𝜑 → (log‘(𝐴 + 1)) ∈ ℂ)
14377mptex 7227 . . . . . 6 (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1)))) ∈ V
144143a1i 11 . . . . 5 (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1)))) ∈ V)
14581fvoveq1d 7440 . . . . . . . 8 (𝑚 = 𝑛 → (log‘((𝐴 / (𝑚 + 1)) + 1)) = (log‘((𝐴 / (𝑛 + 1)) + 1)))
146 eqid 2761 . . . . . . . 8 (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) = (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))
147 fvex 6896 . . . . . . . 8 (log‘((𝐴 / (𝑛 + 1)) + 1)) ∈ V
148145, 146, 147fvmpt 6991 . . . . . . 7 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) = (log‘((𝐴 / (𝑛 + 1)) + 1)))
149148adantl 487 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) = (log‘((𝐴 / (𝑛 + 1)) + 1)))
15097, 93addcld 11321 . . . . . . 7 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝐴 / (𝑛 + 1)) + 1) ∈ ℂ)
1514adantr 486 . . . . . . . 8 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)))
152151, 95dmgmdivn0 27348 . . . . . . 7 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝐴 / (𝑛 + 1)) + 1) ≠ 0)
153150, 152logcld 26891 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘((𝐴 / (𝑛 + 1)) + 1)) ∈ ℂ)
154149, 153eqeltrd 2861 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) ∈ ℂ)
155145oveq2d 7434 . . . . . . . 8 (𝑚 = 𝑛 → ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
156 eqid 2761 . . . . . . . 8 (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1)))) = (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))
157 ovex 7451 . . . . . . . 8 ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))) ∈ V
158155, 156, 157fvmpt 6991 . . . . . . 7 (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
159158adantl 487 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
160149oveq2d 7434 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) − ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛)) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
161159, 160eqtr4d 2799 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) = ((log‘(𝐴 + 1)) − ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛)))
1621, 2, 139, 142, 144, 154, 161climsubc2 15799 . . . 4 (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1)))) ⇝ ((log‘(𝐴 + 1)) − 0))
163142subid1d 11651 . . . 4 (𝜑 → ((log‘(𝐴 + 1)) − 0) = (log‘(𝐴 + 1)))
164162, 163breqtrd 5131 . . 3 (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1)))) ⇝ (log‘(𝐴 + 1)))
165 elfznn 13680 . . . . . . 7 (𝑘 ∈ (1...𝑛) → 𝑘 ∈ ℕ)
166165adantl 487 . . . . . 6 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℕ)
167 oveq1 7425 . . . . . . . . . . 11 (𝑚 = 𝑘 → (𝑚 + 1) = (𝑘 + 1))
168 id 23 . . . . . . . . . . 11 (𝑚 = 𝑘 → 𝑚 = 𝑘)
169167, 168oveq12d 7436 . . . . . . . . . 10 (𝑚 = 𝑘 → ((𝑚 + 1) / 𝑚) = ((𝑘 + 1) / 𝑘))
170169fveq2d 6887 . . . . . . . . 9 (𝑚 = 𝑘 → (log‘((𝑚 + 1) / 𝑚)) = (log‘((𝑘 + 1) / 𝑘)))
171170oveq2d 7434 . . . . . . . 8 (𝑚 = 𝑘 → ((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) = ((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))))
172 oveq2 7426 . . . . . . . . 9 (𝑚 = 𝑘 → ((𝐴 + 1) / 𝑚) = ((𝐴 + 1) / 𝑘))
173172fvoveq1d 7440 . . . . . . . 8 (𝑚 = 𝑘 → (log‘(((𝐴 + 1) / 𝑚) + 1)) = (log‘(((𝐴 + 1) / 𝑘) + 1)))
174171, 173oveq12d 7436 . . . . . . 7 (𝑚 = 𝑘 → (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1))) = (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))))
175 ovex 7451 . . . . . . 7 (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ V
176174, 3, 175fvmpt 6991 . . . . . 6 (𝑘 ∈ ℕ → ((𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1))))‘𝑘) = (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))))
177166, 176syl 18 . . . . 5 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1))))‘𝑘) = (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))))
17891, 1eleqtrdi 2871 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ (ℤ≥‘1))
17911ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝐴 ∈ ℂ)
180 1cnd 11295 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 1 ∈ ℂ)
181179, 180addcld 11321 . . . . . . 7 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + 1) ∈ ℂ)
182166peano2nnd 12345 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℕ)
183182nnrpd 13155 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℝ+)
184166nnrpd 13155 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℝ+)
185183, 184rpdivcld 13174 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑘 + 1) / 𝑘) ∈ ℝ+)
186185relogcld 26944 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) ∈ ℝ)
187186recnd 11330 . . . . . . 7 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) ∈ ℂ)
188181, 187mulcld 11322 . . . . . 6 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) ∈ ℂ)
189166nncnd 12344 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℂ)
190166nnne0d 12381 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ≠ 0)
191181, 189, 190divcld 12086 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) / 𝑘) ∈ ℂ)
192191, 180addcld 11321 . . . . . . 7 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) ∈ ℂ)
1937ad2antrr 739 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + 1) ∈ (ℂ ∖ (ℤ ∖ ℕ)))
194193, 166dmgmdivn0 27348 . . . . . . 7 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) ≠ 0)
195192, 194logcld 26891 . . . . . 6 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) ∈ ℂ)
196188, 195subcld 11662 . . . . 5 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ)
197177, 178, 196fsumser 15889 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) = (seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))))‘𝑛))
198 fzfid 14109 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → (1...𝑛) ∈ Fin)
199198, 196fsumcl 15892 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ)
200197, 199eqeltrrd 2862 . . 3 ((𝜑 ∧ 𝑛 ∈ ℕ) → (seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))))‘𝑛) ∈ ℂ)
201142adantr 486 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘(𝐴 + 1)) ∈ ℂ)
202201, 153subcld 11662 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))) ∈ ℂ)
203159, 202eqeltrd 2861 . . 3 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) ∈ ℂ)
204179, 187mulcld 11322 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 · (log‘((𝑘 + 1) / 𝑘))) ∈ ℂ)
205179, 189, 190divcld 12086 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 / 𝑘) ∈ ℂ)
206205, 180addcld 11321 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / 𝑘) + 1) ∈ ℂ)
2074ad2antrr 739 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)))
208207, 166dmgmdivn0 27348 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / 𝑘) + 1) ≠ 0)
209206, 208logcld 26891 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / 𝑘) + 1)) ∈ ℂ)
210204, 209subcld 11662 . . . . . . 7 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ ℂ)
211198, 210fsumcl 15892 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ ℂ)
212199, 211nncand 11667 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))) = Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))
213188, 195, 204, 209sub4d 11711 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) = ((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (𝐴 · (log‘((𝑘 + 1) / 𝑘)))) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝐴 / 𝑘) + 1)))))
214179, 180pncan2d 11664 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) − 𝐴) = 1)
215214oveq1d 7433 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) − 𝐴) · (log‘((𝑘 + 1) / 𝑘))) = (1 · (log‘((𝑘 + 1) / 𝑘))))
216181, 179, 187subdird 11766 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) − 𝐴) · (log‘((𝑘 + 1) / 𝑘))) = (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (𝐴 · (log‘((𝑘 + 1) / 𝑘)))))
217187mullidd 11320 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (1 · (log‘((𝑘 + 1) / 𝑘))) = (log‘((𝑘 + 1) / 𝑘)))
218215, 216, 2173eqtr3d 2804 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (𝐴 · (log‘((𝑘 + 1) / 𝑘)))) = (log‘((𝑘 + 1) / 𝑘)))
219218oveq1d 7433 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (𝐴 · (log‘((𝑘 + 1) / 𝑘)))) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝐴 / 𝑘) + 1)))) = ((log‘((𝑘 + 1) / 𝑘)) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝐴 / 𝑘) + 1)))))
220187, 195, 209subsubd 11690 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝑘 + 1) / 𝑘)) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝐴 / 𝑘) + 1)))) = (((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1))) + (log‘((𝐴 / 𝑘) + 1))))
221187, 195subcld 11662 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ)
222221, 209addcomd 11505 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1))) + (log‘((𝐴 / 𝑘) + 1))) = ((log‘((𝐴 / 𝑘) + 1)) + ((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1)))))
223209, 195, 187subsub2d 11691 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝐴 / 𝑘) + 1)) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝑘 + 1) / 𝑘)))) = ((log‘((𝐴 / 𝑘) + 1)) + ((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1)))))
224182nncnd 12344 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℂ)
225179, 224addcld 11321 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + (𝑘 + 1)) ∈ ℂ)
226182nnnn0d 12660 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℕ0)
227 dmgmaddn0 27343 . . . . . . . . . . . . . . . 16 ((𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)) ∧ (𝑘 + 1) ∈ ℕ0) → (𝐴 + (𝑘 + 1)) ≠ 0)
228207, 226, 227syl2anc 596 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + (𝑘 + 1)) ≠ 0)
229225, 228logcld 26891 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝐴 + (𝑘 + 1))) ∈ ℂ)
230183relogcld 26944 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝑘 + 1)) ∈ ℝ)
231230recnd 11330 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝑘 + 1)) ∈ ℂ)
232184relogcld 26944 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘𝑘) ∈ ℝ)
233232recnd 11330 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘𝑘) ∈ ℂ)
234229, 231, 233nnncan2d 11697 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘)) − ((log‘(𝑘 + 1)) − (log‘𝑘))) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1))))
235181, 189, 189, 190divdird 12124 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) + 𝑘) / 𝑘) = (((𝐴 + 1) / 𝑘) + (𝑘 / 𝑘)))
236179, 189, 180add32d 11531 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 𝑘) + 1) = ((𝐴 + 1) + 𝑘))
237179, 189, 180addassd 11324 . . . . . . . . . . . . . . . . . . 19 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 𝑘) + 1) = (𝐴 + (𝑘 + 1)))
238236, 237eqtr3d 2798 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) + 𝑘) = (𝐴 + (𝑘 + 1)))
239238oveq1d 7433 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) + 𝑘) / 𝑘) = ((𝐴 + (𝑘 + 1)) / 𝑘))
240189, 190dividd 12084 . . . . . . . . . . . . . . . . . 18 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 / 𝑘) = 1)
241240oveq2d 7434 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + (𝑘 / 𝑘)) = (((𝐴 + 1) / 𝑘) + 1))
242235, 239, 2413eqtr3rd 2805 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) = ((𝐴 + (𝑘 + 1)) / 𝑘))
243242fveq2d 6887 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) = (log‘((𝐴 + (𝑘 + 1)) / 𝑘)))
244 logdiv2 26938 . . . . . . . . . . . . . . . 16 (((𝐴 + (𝑘 + 1)) ∈ ℂ ∧ (𝐴 + (𝑘 + 1)) ≠ 0 ∧ 𝑘 ∈ ℝ+) → (log‘((𝐴 + (𝑘 + 1)) / 𝑘)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘)))
245225, 228, 184, 244syl3anc 1398 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 + (𝑘 + 1)) / 𝑘)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘)))
246243, 245eqtrd 2796 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘)))
247183, 184relogdivd 26947 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) = ((log‘(𝑘 + 1)) − (log‘𝑘)))
248246, 247oveq12d 7436 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝑘 + 1) / 𝑘))) = (((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘)) − ((log‘(𝑘 + 1)) − (log‘𝑘))))
249182nnne0d 12381 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ≠ 0)
250179, 224, 224, 249divdird 12124 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + (𝑘 + 1)) / (𝑘 + 1)) = ((𝐴 / (𝑘 + 1)) + ((𝑘 + 1) / (𝑘 + 1))))
251224, 249dividd 12084 . . . . . . . . . . . . . . . . 17 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑘 + 1) / (𝑘 + 1)) = 1)
252251oveq2d 7434 . . . . . . . . . . . . . . . 16 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / (𝑘 + 1)) + ((𝑘 + 1) / (𝑘 + 1))) = ((𝐴 / (𝑘 + 1)) + 1))
253250, 252eqtr2d 2797 . . . . . . . . . . . . . . 15 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / (𝑘 + 1)) + 1) = ((𝐴 + (𝑘 + 1)) / (𝑘 + 1)))
254253fveq2d 6887 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / (𝑘 + 1)) + 1)) = (log‘((𝐴 + (𝑘 + 1)) / (𝑘 + 1))))
255 logdiv2 26938 . . . . . . . . . . . . . . 15 (((𝐴 + (𝑘 + 1)) ∈ ℂ ∧ (𝐴 + (𝑘 + 1)) ≠ 0 ∧ (𝑘 + 1) ∈ ℝ+) → (log‘((𝐴 + (𝑘 + 1)) / (𝑘 + 1))) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1))))
256225, 228, 183, 255syl3anc 1398 . . . . . . . . . . . . . 14 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 + (𝑘 + 1)) / (𝑘 + 1))) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1))))
257254, 256eqtrd 2796 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / (𝑘 + 1)) + 1)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1))))
258234, 248, 2573eqtr4d 2806 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝑘 + 1) / 𝑘))) = (log‘((𝐴 / (𝑘 + 1)) + 1)))
259258oveq2d 7434 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝐴 / 𝑘) + 1)) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝑘 + 1) / 𝑘)))) = ((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))))
260223, 259eqtr3d 2798 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝐴 / 𝑘) + 1)) + ((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1)))) = ((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))))
261220, 222, 2603eqtrd 2800 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝑘 + 1) / 𝑘)) − ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝐴 / 𝑘) + 1)))) = ((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))))
262213, 219, 2613eqtrd 2800 . . . . . . . 8 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) = ((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))))
263262sumeq2dv 15862 . . . . . . 7 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) = Σ𝑘 ∈ (1...𝑛)((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))))
264198, 196, 210fsumsub 15947 . . . . . . 7 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) = (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))))
265 oveq2 7426 . . . . . . . . . 10 (𝑥 = 𝑘 → (𝐴 / 𝑥) = (𝐴 / 𝑘))
266265fvoveq1d 7440 . . . . . . . . 9 (𝑥 = 𝑘 → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / 𝑘) + 1)))
267 oveq2 7426 . . . . . . . . . 10 (𝑥 = (𝑘 + 1) → (𝐴 / 𝑥) = (𝐴 / (𝑘 + 1)))
268267fvoveq1d 7440 . . . . . . . . 9 (𝑥 = (𝑘 + 1) → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / (𝑘 + 1)) + 1)))
269 oveq2 7426 . . . . . . . . . 10 (𝑥 = 1 → (𝐴 / 𝑥) = (𝐴 / 1))
270269fvoveq1d 7440 . . . . . . . . 9 (𝑥 = 1 → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / 1) + 1)))
271 oveq2 7426 . . . . . . . . . 10 (𝑥 = (𝑛 + 1) → (𝐴 / 𝑥) = (𝐴 / (𝑛 + 1)))
272271fvoveq1d 7440 . . . . . . . . 9 (𝑥 = (𝑛 + 1) → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / (𝑛 + 1)) + 1)))
27391nnzd 12712 . . . . . . . . 9 ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℤ)
27495, 1eleqtrdi 2871 . . . . . . . . 9 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈ (ℤ≥‘1))
27511ad2antrr 739 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝐴 ∈ ℂ)
276 elfznn 13680 . . . . . . . . . . . . . 14 (𝑥 ∈ (1...(𝑛 + 1)) → 𝑥 ∈ ℕ)
277276adantl 487 . . . . . . . . . . . . 13 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ∈ ℕ)
278277nncnd 12344 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ∈ ℂ)
279277nnne0d 12381 . . . . . . . . . . . 12 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ≠ 0)
280275, 278, 279divcld 12086 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → (𝐴 / 𝑥) ∈ ℂ)
281 1cnd 11295 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 1 ∈ ℂ)
282280, 281addcld 11321 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → ((𝐴 / 𝑥) + 1) ∈ ℂ)
2834ad2antrr 739 . . . . . . . . . . 11 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝐴 ∈ (ℂ ∖ (ℤ ∖ ℕ)))
284283, 277dmgmdivn0 27348 . . . . . . . . . 10 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → ((𝐴 / 𝑥) + 1) ≠ 0)
285282, 284logcld 26891 . . . . . . . . 9 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → (log‘((𝐴 / 𝑥) + 1)) ∈ ℂ)
286266, 268, 270, 272, 273, 274, 285telfsum 15964 . . . . . . . 8 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))) = ((log‘((𝐴 / 1) + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
28790div1d 12078 . . . . . . . . . 10 ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴 / 1) = 𝐴)
288287fvoveq1d 7440 . . . . . . . . 9 ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘((𝐴 / 1) + 1)) = (log‘(𝐴 + 1)))
289288oveq1d 7433 . . . . . . . 8 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘((𝐴 / 1) + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
290286, 289eqtrd 2796 . . . . . . 7 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
291263, 264, 2903eqtr3d 2804 . . . . . 6 ((𝜑 ∧ 𝑛 ∈ ℕ) → (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) = ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))))
292291oveq2d 7434 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))) = (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1)))))
293212, 292eqtr3d 2798 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) = (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1)))))
294170oveq2d 7434 . . . . . . . 8 (𝑚 = 𝑘 → (𝐴 · (log‘((𝑚 + 1) / 𝑚))) = (𝐴 · (log‘((𝑘 + 1) / 𝑘))))
295 oveq2 7426 . . . . . . . . 9 (𝑚 = 𝑘 → (𝐴 / 𝑚) = (𝐴 / 𝑘))
296295fvoveq1d 7440 . . . . . . . 8 (𝑚 = 𝑘 → (log‘((𝐴 / 𝑚) + 1)) = (log‘((𝐴 / 𝑘) + 1)))
297294, 296oveq12d 7436 . . . . . . 7 (𝑚 = 𝑘 → ((𝐴 · (log‘((𝑚 + 1) / 𝑚))) − (log‘((𝐴 / 𝑚) + 1))) = ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))
298 lgamcvg.g . . . . . . 7 𝐺 = (𝑚 ∈ ℕ ↦ ((𝐴 · (log‘((𝑚 + 1) / 𝑚))) − (log‘((𝐴 / 𝑚) + 1))))
299 ovex 7451 . . . . . . 7 ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ V
300297, 298, 299fvmpt 6991 . . . . . 6 (𝑘 ∈ ℕ → (𝐺‘𝑘) = ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))
301166, 300syl 18 . . . . 5 (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐺‘𝑘) = ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))))
302301, 178, 210fsumser 15889 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) = (seq1( + , 𝐺)‘𝑛))
303159eqcomd 2767 . . . . 5 ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1))) = ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛))
304197, 303oveq12d 7436 . . . 4 ((𝜑 ∧ 𝑛 ∈ ℕ) → (Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) − ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑛 + 1)) + 1)))) = ((seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))))‘𝑛) − ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛)))
305293, 302, 3043eqtr3d 2804 . . 3 ((𝜑 ∧ 𝑛 ∈ ℕ) → (seq1( + , 𝐺)‘𝑛) = ((seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))))‘𝑛) − ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛)))
3061, 2, 8, 10, 164, 200, 203, 305climsub 15794 . 2 (𝜑 → seq1( + , 𝐺) ⇝ (((log Γ‘(𝐴 + 1)) + (log‘(𝐴 + 1))) − (log‘(𝐴 + 1))))
307 lgamcl 27361 . . . 4 ((𝐴 + 1) ∈ (ℂ ∖ (ℤ ∖ ℕ)) → (log Γ‘(𝐴 + 1)) ∈ ℂ)
3087, 307syl 18 . . 3 (𝜑 → (log Γ‘(𝐴 + 1)) ∈ ℂ)
309308, 142pncand 11663 . 2 (𝜑 → (((log Γ‘(𝐴 + 1)) + (log‘(𝐴 + 1))) − (log‘(𝐴 + 1))) = (log Γ‘(𝐴 + 1)))
310306, 309breqtrd 5131 1 (𝜑 → seq1( + , 𝐺) ⇝ (log Γ‘(𝐴 + 1)))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2145   ≠ wne 2956  ∃wrex 3087  Vcvv 3451   ∖ cdif 3896   ⊆ wss 3899  {csn 4584   class class class wbr 5103   ↦ cmpt 5186  ran crn 5652   ↾ cres 5653   ∘ ccom 5655  ⟶wf 6533  –1-1-onto→wf1o 6536  ‘cfv 6537  (class class class)co 7418  ℂcc 11191  ℝcr 11192  0cc0 11193  1c1 11194   + caddc 11196   · cmul 11198  -∞cmnf 11334  ℝ*cxr 11335   < clt 11336   ≤ cle 11337   − cmin 11534   / cdiv 11966  ℕcn 12328  ℕ0cn0 12599  ℤcz 12686  ℤ≥cuz 12958  ℝ+crp 13113  (,]cioc 13470  ...cfz 13632  seqcseq 14137  abscabs 15394   ⇝ cli 15644  Σcsu 15846  ∞Metcxmet 21656  ballcbl 21658  –cn→ccncf 25190  logclog 26875  log Γclgam 27336
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-10 2178  ax-11 2194  ax-12 2213  ax-ext 2733  ax-rep 5232  ax-sep 5249  ax-nul 5260  ax-pow 5327  ax-pr 5391  ax-un 7749  ax-inf2 9635  ax-cnex 11249  ax-resscn 11250  ax-1cn 11251  ax-icn 11252  ax-addcl 11253  ax-addrcl 11254  ax-mulcl 11255  ax-mulrcl 11256  ax-mulcom 11257  ax-addass 11258  ax-mulass 11259  ax-distr 11260  ax-i2m1 11261  ax-1ne0 11262  ax-1rid 11263  ax-rnegex 11264  ax-rrecex 11265  ax-cnre 11266  ax-pre-lttri 11267  ax-pre-lttrn 11268  ax-pre-ltadd 11269  ax-pre-mulgt0 11270  ax-pre-sup 11271  ax-addf 11272
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3or 1104  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-nf 1817  df-sb 2100  df-mo 2565  df-eu 2595  df-clab 2740  df-cleq 2753  df-clel 2836  df-nfc 2910  df-ne 2957  df-nel 3063  df-ral 3078  df-rex 3088  df-rmo 3366  df-reu 3367  df-rab 3414  df-v 3453  df-sbc 3740  df-csb 3848  df-dif 3902  df-un 3904  df-in 3906  df-ss 3916  df-pss 3919  df-nul 4280  df-if 4483  df-pw 4559  df-sn 4585  df-pr 4587  df-tp 4589  df-op 4591  df-uni 4868  df-int 4908  df-iun 4953  df-iin 4954  df-br 5104  df-opab 5168  df-mpt 5187  df-tr 5213  df-id 5546  df-eprel 5551  df-po 5559  df-so 5560  df-fr 5604  df-se 5605  df-we 5606  df-xp 5657  df-rel 5658  df-cnv 5659  df-co 5660  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664  df-pred 6303  df-ord 6364  df-on 6365  df-lim 6366  df-suc 6367  df-iota 6493  df-fun 6539  df-fn 6540  df-f 6541  df-f1 6542  df-fo 6543  df-f1o 6544  df-fv 6545  df-isom 6546  df-riota 7375  df-ov 7421  df-oprab 7422  df-mpo 7423  df-of 7691  df-om 7876  df-1st 7999  df-2nd 8000  df-supp 8171  df-frecs 8292  df-wrecs 8323  df-recs 8372  df-rdg 8411  df-1o 8469  df-2o 8470  df-oadd 8473  df-er 8710  df-map 8842  df-pm 8843  df-ixp 8919  df-en 8967  df-dom 8968  df-sdom 8969  df-fin 8970  df-fsupp 9347  df-fi 9396  df-sup 9427  df-inf 9428  df-oi 9497  df-dju 9975  df-card 10013  df-pnf 11338  df-mnf 11339  df-xr 11340  df-ltxr 11341  df-le 11342  df-sub 11536  df-neg 11537  df-div 11967  df-nn 12329  df-2 12398  df-3 12399  df-4 12400  df-5 12401  df-6 12402  df-7 12403  df-8 12404  df-9 12405  df-n0 12600  df-z 12687  df-dec 12808  df-uz 12959  df-q 13069  df-rp 13114  df-xneg 13234  df-xadd 13235  df-xmul 13236  df-ioo 13473  df-ioc 13474  df-ico 13475  df-icc 13476  df-fz 13633  df-fzo 13782  df-fl 13925  df-mod 14003  df-seq 14138  df-exp 14198  df-fac 14411  df-bc 14440  df-hash 14468  df-shft 15213  df-cj 15259  df-re 15260  df-im 15261  df-sqrt 15395  df-abs 15396  df-limsup 15631  df-clim 15648  df-rlim 15649  df-sum 15847  df-ef 16226  df-sin 16228  df-cos 16229  df-tan 16230  df-pi 16231  df-struct 17318  df-sets 17335  df-slot 17353  df-ndx 17365  df-base 17381  df-ress 17402  df-plusg 17434  df-mulr 17435  df-starv 17436  df-sca 17437  df-vsca 17438  df-ip 17439  df-tset 17440  df-ple 17441  df-ds 17443  df-unif 17444  df-hom 17445  df-cco 17446  df-rest 17586  df-topn 17587  df-0g 17605  df-gsum 17606  df-topgen 17607  df-pt 17608  df-prds 17611  df-xrs 17667  df-qtop 17672  df-imas 17673  df-xps 17675  df-mre 17749  df-mrc 17750  df-acs 17752  df-mgm 18809  df-sgrp 18901  df-mnd 18917  df-submnd 18972  df-mulg 19271  df-cntz 19524  df-cmn 19989  df-psmet 21663  df-xmet 21664  df-met 21665  df-bl 21666  df-mopn 21667  df-fbas 21668  df-fg 21669  df-cnfld 21672  df-top 23205  df-topon 23222  df-topsp 23244  df-bases 23257  df-cld 23330  df-ntr 23331  df-cls 23332  df-nei 23409  df-lp 23447  df-perf 23448  df-cn 23538  df-cnp 23539  df-haus 23626  df-cmp 23698  df-tx 23874  df-hmeo 24067  df-fil 24158  df-fm 24250  df-flim 24251  df-flf 24252  df-xms 24632  df-ms 24633  df-tms 24634  df-cncf 25192  df-limc 26179  df-dv 26180  df-ulm 26697  df-log 26877  df-cxp 26878  df-lgam 27339
This theorem is used by:  lgamp1  27377
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