| Step | Hyp | Ref | Expression | 
|---|
| 1 |  | nnuz 12922 | . . 3
⊢ ℕ =
(ℤ≥‘1) | 
| 2 |  | 1zzd 12650 | . . 3
⊢ (𝜑 → 1 ∈
ℤ) | 
| 3 |  | eqid 2736 | . . . 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 12544 | . . . . . 6
⊢ 1 ∈
ℕ0 | 
| 6 | 5 | a1i 11 | . . . . 5
⊢ (𝜑 → 1 ∈
ℕ0) | 
| 7 | 4, 6 | dmgmaddnn0 27071 | . . . 4
⊢ (𝜑 → (𝐴 + 1) ∈ (ℂ ∖ (ℤ
∖ ℕ))) | 
| 8 | 3, 7 | lgamcvg 27098 | . . 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 14045 | . . . 4
⊢ seq1( + ,
𝐺) ∈
V | 
| 10 | 9 | a1i 11 | . . 3
⊢ (𝜑 → seq1( + , 𝐺) ∈ V) | 
| 11 | 4 | eldifad 3962 | . . . . . . . 8
⊢ (𝜑 → 𝐴 ∈ ℂ) | 
| 12 | 11 | abscld 15476 | . . . . . . 7
⊢ (𝜑 → (abs‘𝐴) ∈
ℝ) | 
| 13 |  | arch 12525 | . . . . . . 7
⊢
((abs‘𝐴)
∈ ℝ → ∃𝑟 ∈ ℕ (abs‘𝐴) < 𝑟) | 
| 14 | 12, 13 | syl 17 | . . . . . 6
⊢ (𝜑 → ∃𝑟 ∈ ℕ (abs‘𝐴) < 𝑟) | 
| 15 |  | eqid 2736 | . . . . . . . . 9
⊢
(ℤ≥‘𝑟) = (ℤ≥‘𝑟) | 
| 16 |  | simprl 770 | . . . . . . . . . 10
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 𝑟 ∈ ℕ) | 
| 17 | 16 | nnzd 12642 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 𝑟 ∈ ℤ) | 
| 18 |  | eqid 2736 | . . . . . . . . . . 11
⊢ (ℂ
∖ (-∞(,]0)) = (ℂ ∖ (-∞(,]0)) | 
| 19 | 18 | logcn 26690 | . . . . . . . . . 10
⊢ (log
↾ (ℂ ∖ (-∞(,]0))) ∈ ((ℂ ∖
(-∞(,]0))–cn→ℂ) | 
| 20 | 19 | a1i 11 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (log ↾ (ℂ ∖
(-∞(,]0))) ∈ ((ℂ ∖ (-∞(,]0))–cn→ℂ)) | 
| 21 |  | eqid 2736 | . . . . . . . . . . . 12
⊢
(1(ball‘(abs ∘ − ))1) = (1(ball‘(abs ∘
− ))1) | 
| 22 | 21 | dvlog2lem 26695 | . . . . . . . . . . 11
⊢
(1(ball‘(abs ∘ − ))1) ⊆ (ℂ ∖
(-∞(,]0)) | 
| 23 | 11 | ad2antrr 726 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝐴 ∈ ℂ) | 
| 24 |  | eluznn 12961 | . . . . . . . . . . . . . . . . . . . . . 22
⊢ ((𝑟 ∈ ℕ ∧ 𝑚 ∈
(ℤ≥‘𝑟)) → 𝑚 ∈ ℕ) | 
| 25 | 24 | ex 412 | . . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑟 ∈ ℕ → (𝑚 ∈
(ℤ≥‘𝑟) → 𝑚 ∈ ℕ)) | 
| 26 | 25 | ad2antrl 728 | . . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) → 𝑚 ∈ ℕ)) | 
| 27 | 26 | imp 406 | . . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑚 ∈ ℕ) | 
| 28 | 27 | nncnd 12283 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑚 ∈ ℂ) | 
| 29 |  | 1cnd 11257 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈
ℂ) | 
| 30 | 28, 29 | addcld 11281 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℂ) | 
| 31 | 27 | peano2nnd 12284 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℕ) | 
| 32 | 31 | nnne0d 12317 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ≠ 0) | 
| 33 | 23, 30, 32 | divcld 12044 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝐴 / (𝑚 + 1)) ∈ ℂ) | 
| 34 | 33, 29 | addcld 11281 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ ℂ) | 
| 35 |  | ax-1cn 11214 | . . . . . . . . . . . . . . 15
⊢ 1 ∈
ℂ | 
| 36 |  | eqid 2736 | . . . . . . . . . . . . . . . 16
⊢ (abs
∘ − ) = (abs ∘ − ) | 
| 37 | 36 | cnmetdval 24792 | . . . . . . . . . . . . . . 15
⊢ ((((𝐴 / (𝑚 + 1)) + 1) ∈ ℂ ∧ 1 ∈
ℂ) → (((𝐴 /
(𝑚 + 1)) + 1)(abs ∘
− )1) = (abs‘(((𝐴 / (𝑚 + 1)) + 1) − 1))) | 
| 38 | 34, 35, 37 | sylancl 586 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) =
(abs‘(((𝐴 / (𝑚 + 1)) + 1) −
1))) | 
| 39 | 33, 29 | pncand 11622 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1) − 1) = (𝐴 / (𝑚 + 1))) | 
| 40 | 39 | fveq2d 6909 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(((𝐴 / (𝑚 + 1)) + 1) − 1)) = (abs‘(𝐴 / (𝑚 + 1)))) | 
| 41 | 23, 30, 32 | absdivd 15495 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝐴 / (𝑚 + 1))) = ((abs‘𝐴) / (abs‘(𝑚 + 1)))) | 
| 42 | 31 | nnred 12282 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈ ℝ) | 
| 43 | 31 | nnrpd 13076 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑚 + 1) ∈
ℝ+) | 
| 44 | 43 | rpge0d 13082 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 0 ≤ (𝑚 + 1)) | 
| 45 | 42, 44 | absidd 15462 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝑚 + 1)) = (𝑚 + 1)) | 
| 46 | 45 | oveq2d 7448 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((abs‘𝐴) / (abs‘(𝑚 + 1))) = ((abs‘𝐴) / (𝑚 + 1))) | 
| 47 | 41, 46 | eqtrd 2776 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘(𝐴 / (𝑚 + 1))) = ((abs‘𝐴) / (𝑚 + 1))) | 
| 48 | 38, 40, 47 | 3eqtrd 2780 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) =
((abs‘𝐴) / (𝑚 + 1))) | 
| 49 | 12 | ad2antrr 726 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) ∈
ℝ) | 
| 50 | 16 | adantr 480 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ∈ ℕ) | 
| 51 | 50 | nnred 12282 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ∈ ℝ) | 
| 52 |  | simplrr 777 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < 𝑟) | 
| 53 |  | eluzle 12892 | . . . . . . . . . . . . . . . . . 18
⊢ (𝑚 ∈
(ℤ≥‘𝑟) → 𝑟 ≤ 𝑚) | 
| 54 | 53 | adantl 481 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 ≤ 𝑚) | 
| 55 |  | nnleltp1 12675 | . . . . . . . . . . . . . . . . . 18
⊢ ((𝑟 ∈ ℕ ∧ 𝑚 ∈ ℕ) → (𝑟 ≤ 𝑚 ↔ 𝑟 < (𝑚 + 1))) | 
| 56 | 50, 27, 55 | syl2anc 584 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (𝑟 ≤ 𝑚 ↔ 𝑟 < (𝑚 + 1))) | 
| 57 | 54, 56 | mpbid 232 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 𝑟 < (𝑚 + 1)) | 
| 58 | 49, 51, 42, 52, 57 | lttrd 11423 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < (𝑚 + 1)) | 
| 59 | 30 | mulridd 11279 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝑚 + 1) · 1) = (𝑚 + 1)) | 
| 60 | 58, 59 | breqtrrd 5170 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs‘𝐴) < ((𝑚 + 1) · 1)) | 
| 61 |  | 1red 11263 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈
ℝ) | 
| 62 | 49, 61, 43 | ltdivmuld 13129 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((abs‘𝐴) / (𝑚 + 1)) < 1 ↔ (abs‘𝐴) < ((𝑚 + 1) · 1))) | 
| 63 | 60, 62 | mpbird 257 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((abs‘𝐴) / (𝑚 + 1)) < 1) | 
| 64 | 48, 63 | eqbrtrd 5164 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (((𝐴 / (𝑚 + 1)) + 1)(abs ∘ − )1) <
1) | 
| 65 |  | cnxmet 24794 | . . . . . . . . . . . . . 14
⊢ (abs
∘ − ) ∈ (∞Met‘ℂ) | 
| 66 | 65 | a1i 11 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → (abs ∘ − )
∈ (∞Met‘ℂ)) | 
| 67 |  | 1rp 13039 | . . . . . . . . . . . . . 14
⊢ 1 ∈
ℝ+ | 
| 68 |  | rpxr 13045 | . . . . . . . . . . . . . 14
⊢ (1 ∈
ℝ+ → 1 ∈ ℝ*) | 
| 69 | 67, 68 | mp1i 13 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → 1 ∈
ℝ*) | 
| 70 |  | elbl3 24403 | . . . . . . . . . . . . 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)) | 
| 71 | 66, 69, 29, 34, 70 | syl22anc 838 | . . . . . . . . . . . 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)) | 
| 72 | 64, 71 | mpbird 257 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (1(ball‘(abs ∘
− ))1)) | 
| 73 | 22, 72 | sselid 3980 | . . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (ℂ ∖
(-∞(,]0))) | 
| 74 | 73 | fmpttd 7134 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) +
1)):(ℤ≥‘𝑟)⟶(ℂ ∖
(-∞(,]0))) | 
| 75 | 26 | ssrdv 3988 | . . . . . . . . . . 11
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (ℤ≥‘𝑟) ⊆
ℕ) | 
| 76 | 75 | resmptd 6057 | . . . . . . . . . 10
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾
(ℤ≥‘𝑟)) = (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) | 
| 77 |  | nnex 12273 | . . . . . . . . . . . . . . . . 17
⊢ ℕ
∈ V | 
| 78 | 77 | mptex 7244 | . . . . . . . . . . . . . . . 16
⊢ (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ∈ V | 
| 79 | 78 | a1i 11 | . . . . . . . . . . . . . . 15
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ∈ V) | 
| 80 |  | oveq1 7439 | . . . . . . . . . . . . . . . . . 18
⊢ (𝑚 = 𝑛 → (𝑚 + 1) = (𝑛 + 1)) | 
| 81 | 80 | oveq2d 7448 | . . . . . . . . . . . . . . . . 17
⊢ (𝑚 = 𝑛 → (𝐴 / (𝑚 + 1)) = (𝐴 / (𝑛 + 1))) | 
| 82 |  | eqid 2736 | . . . . . . . . . . . . . . . . 17
⊢ (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) = (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) | 
| 83 |  | ovex 7465 | . . . . . . . . . . . . . . . . 17
⊢ (𝐴 / (𝑛 + 1)) ∈ V | 
| 84 | 81, 82, 83 | fvmpt 7015 | . . . . . . . . . . . . . . . 16
⊢ (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) = (𝐴 / (𝑛 + 1))) | 
| 85 | 84 | adantl 481 | . . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) = (𝐴 / (𝑛 + 1))) | 
| 86 | 1, 2, 11, 2, 79, 85 | divcnvshft 15892 | . . . . . . . . . . . . . 14
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1))) ⇝ 0) | 
| 87 |  | 1cnd 11257 | . . . . . . . . . . . . . 14
⊢ (𝜑 → 1 ∈
ℂ) | 
| 88 | 77 | mptex 7244 | . . . . . . . . . . . . . . 15
⊢ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ∈ V | 
| 89 | 88 | a1i 11 | . . . . . . . . . . . . . 14
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ∈ V) | 
| 90 | 11 | adantr 480 | . . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ∈ ℂ) | 
| 91 |  | simpr 484 | . . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℕ) | 
| 92 | 91 | nncnd 12283 | . . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℂ) | 
| 93 |  | 1cnd 11257 | . . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 1 ∈
ℂ) | 
| 94 | 92, 93 | addcld 11281 | . . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈ ℂ) | 
| 95 | 91 | peano2nnd 12284 | . . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈ ℕ) | 
| 96 | 95 | nnne0d 12317 | . . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ≠ 0) | 
| 97 | 90, 94, 96 | divcld 12044 | . . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴 / (𝑛 + 1)) ∈ ℂ) | 
| 98 | 85, 97 | eqeltrd 2840 | . . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) ∈ ℂ) | 
| 99 | 81 | oveq1d 7447 | . . . . . . . . . . . . . . . . 17
⊢ (𝑚 = 𝑛 → ((𝐴 / (𝑚 + 1)) + 1) = ((𝐴 / (𝑛 + 1)) + 1)) | 
| 100 |  | eqid 2736 | . . . . . . . . . . . . . . . . 17
⊢ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) = (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) | 
| 101 |  | ovex 7465 | . . . . . . . . . . . . . . . . 17
⊢ ((𝐴 / (𝑛 + 1)) + 1) ∈ V | 
| 102 | 99, 100, 101 | fvmpt 7015 | . . . . . . . . . . . . . . . 16
⊢ (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = ((𝐴 / (𝑛 + 1)) + 1)) | 
| 103 | 102 | adantl 481 | . . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = ((𝐴 / (𝑛 + 1)) + 1)) | 
| 104 | 85 | oveq1d 7447 | . . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) + 1) = ((𝐴 / (𝑛 + 1)) + 1)) | 
| 105 | 103, 104 | eqtr4d 2779 | . . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1))‘𝑛) = (((𝑚 ∈ ℕ ↦ (𝐴 / (𝑚 + 1)))‘𝑛) + 1)) | 
| 106 | 1, 2, 86, 87, 89, 98, 105 | climaddc1 15672 | . . . . . . . . . . . . 13
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ (0 +
1)) | 
| 107 |  | 0p1e1 12389 | . . . . . . . . . . . . 13
⊢ (0 + 1) =
1 | 
| 108 | 106, 107 | breqtrdi 5183 | . . . . . . . . . . . 12
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1) | 
| 109 | 108 | adantr 480 | . . . . . . . . . . 11
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1) | 
| 110 |  | climres 15612 | . . . . . . . . . . . 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)) | 
| 111 | 17, 88, 110 | sylancl 586 | . . . . . . . . . . 11
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾
(ℤ≥‘𝑟)) ⇝ 1 ↔ (𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1)) | 
| 112 | 109, 111 | mpbird 257 | . . . . . . . . . 10
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ ((𝐴 / (𝑚 + 1)) + 1)) ↾
(ℤ≥‘𝑟)) ⇝ 1) | 
| 113 | 76, 112 | eqbrtrrd 5166 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⇝ 1) | 
| 114 | 67 | a1i 11 | . . . . . . . . . . 11
⊢ (1 ∈
ℝ → 1 ∈ ℝ+) | 
| 115 | 18 | ellogdm 26682 | . . . . . . . . . . 11
⊢ (1 ∈
(ℂ ∖ (-∞(,]0)) ↔ (1 ∈ ℂ ∧ (1 ∈
ℝ → 1 ∈ ℝ+))) | 
| 116 | 35, 114, 115 | mpbir2an 711 | . . . . . . . . . 10
⊢ 1 ∈
(ℂ ∖ (-∞(,]0)) | 
| 117 | 116 | a1i 11 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → 1 ∈ (ℂ ∖
(-∞(,]0))) | 
| 118 | 15, 17, 20, 74, 113, 117 | climcncf 24927 | . . . . . . . 8
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖
(-∞(,]0))) ∘ (𝑚
∈ (ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1))) ⇝ ((log ↾ (ℂ
∖ (-∞(,]0)))‘1)) | 
| 119 |  | logf1o 26607 | . . . . . . . . . . 11
⊢
log:(ℂ ∖ {0})–1-1-onto→ran
log | 
| 120 |  | f1of 6847 | . . . . . . . . . . 11
⊢
(log:(ℂ ∖ {0})–1-1-onto→ran
log → log:(ℂ ∖ {0})⟶ran log) | 
| 121 | 119, 120 | mp1i 13 | . . . . . . . . . 10
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → log:(ℂ ∖
{0})⟶ran log) | 
| 122 | 18 | logdmss 26685 | . . . . . . . . . . 11
⊢ (ℂ
∖ (-∞(,]0)) ⊆ (ℂ ∖ {0}) | 
| 123 | 122, 73 | sselid 3980 | . . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) ∧ 𝑚 ∈ (ℤ≥‘𝑟)) → ((𝐴 / (𝑚 + 1)) + 1) ∈ (ℂ ∖
{0})) | 
| 124 | 121, 123 | cofmpt 7151 | . . . . . . . . 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 6742 | . . . . . . . . . 10
⊢ ((𝑚 ∈
(ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) +
1)):(ℤ≥‘𝑟)⟶(ℂ ∖ (-∞(,]0))
→ ran (𝑚 ∈
(ℤ≥‘𝑟) ↦ ((𝐴 / (𝑚 + 1)) + 1)) ⊆ (ℂ ∖
(-∞(,]0))) | 
| 126 |  | cores 6268 | . . . . . . . . . 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)))) | 
| 127 | 74, 125, 126 | 3syl 18 | . . . . . . . . 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)))) | 
| 128 | 75 | resmptd 6057 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾
(ℤ≥‘𝑟)) = (𝑚 ∈ (ℤ≥‘𝑟) ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))) | 
| 129 | 124, 127,
128 | 3eqtr4d 2786 | . . . . . . . 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 6924 | . . . . . . . . . 10
⊢ (1 ∈
(ℂ ∖ (-∞(,]0)) → ((log ↾ (ℂ ∖
(-∞(,]0)))‘1) = (log‘1)) | 
| 131 | 116, 130 | mp1i 13 | . . . . . . . . 9
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖
(-∞(,]0)))‘1) = (log‘1)) | 
| 132 |  | log1 26628 | . . . . . . . . 9
⊢
(log‘1) = 0 | 
| 133 | 131, 132 | eqtrdi 2792 | . . . . . . . 8
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((log ↾ (ℂ ∖
(-∞(,]0)))‘1) = 0) | 
| 134 | 118, 129,
133 | 3brtr3d 5173 | . . . . . . 7
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ↾
(ℤ≥‘𝑟)) ⇝ 0) | 
| 135 | 77 | mptex 7244 | . . . . . . . 8
⊢ (𝑚 ∈ ℕ ↦
(log‘((𝐴 / (𝑚 + 1)) + 1))) ∈
V | 
| 136 |  | climres 15612 | . . . . . . . 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)) | 
| 137 | 17, 135, 136 | sylancl 586 | . . . . . . 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)) | 
| 138 | 134, 137 | mpbid 232 | . . . . . 6
⊢ ((𝜑 ∧ (𝑟 ∈ ℕ ∧ (abs‘𝐴) < 𝑟)) → (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0) | 
| 139 | 14, 138 | rexlimddv 3160 | . . . . 5
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1))) ⇝ 0) | 
| 140 | 11, 87 | addcld 11281 | . . . . . 6
⊢ (𝜑 → (𝐴 + 1) ∈ ℂ) | 
| 141 | 7 | dmgmn0 27070 | . . . . . 6
⊢ (𝜑 → (𝐴 + 1) ≠ 0) | 
| 142 | 140, 141 | logcld 26613 | . . . . 5
⊢ (𝜑 → (log‘(𝐴 + 1)) ∈
ℂ) | 
| 143 | 77 | mptex 7244 | . . . . . 6
⊢ (𝑚 ∈ ℕ ↦
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑚 + 1)) + 1)))) ∈
V | 
| 144 | 143 | a1i 11 | . . . . 5
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑚 + 1)) + 1)))) ∈
V) | 
| 145 | 81 | fvoveq1d 7454 | . . . . . . . 8
⊢ (𝑚 = 𝑛 → (log‘((𝐴 / (𝑚 + 1)) + 1)) = (log‘((𝐴 / (𝑛 + 1)) + 1))) | 
| 146 |  | eqid 2736 | . . . . . . . 8
⊢ (𝑚 ∈ ℕ ↦
(log‘((𝐴 / (𝑚 + 1)) + 1))) = (𝑚 ∈ ℕ ↦
(log‘((𝐴 / (𝑚 + 1)) + 1))) | 
| 147 |  | fvex 6918 | . . . . . . . 8
⊢
(log‘((𝐴 /
(𝑛 + 1)) + 1)) ∈
V | 
| 148 | 145, 146,
147 | fvmpt 7015 | . . . . . . 7
⊢ (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦
(log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) = (log‘((𝐴 / (𝑛 + 1)) + 1))) | 
| 149 | 148 | adantl 481 | . . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) = (log‘((𝐴 / (𝑛 + 1)) + 1))) | 
| 150 | 97, 93 | addcld 11281 | . . . . . . 7
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝐴 / (𝑛 + 1)) + 1) ∈ ℂ) | 
| 151 | 4 | adantr 480 | . . . . . . . 8
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝐴 ∈ (ℂ ∖ (ℤ ∖
ℕ))) | 
| 152 | 151, 95 | dmgmdivn0 27072 | . . . . . . 7
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝐴 / (𝑛 + 1)) + 1) ≠ 0) | 
| 153 | 150, 152 | logcld 26613 | . . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘((𝐴 / (𝑛 + 1)) + 1)) ∈ ℂ) | 
| 154 | 149, 153 | eqeltrd 2840 | . . . . 5
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ (log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛) ∈ ℂ) | 
| 155 | 145 | oveq2d 7448 | . . . . . . . 8
⊢ (𝑚 = 𝑛 → ((log‘(𝐴 + 1)) − (log‘((𝐴 / (𝑚 + 1)) + 1))) = ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1)))) | 
| 156 |  | eqid 2736 | . . . . . . . 8
⊢ (𝑚 ∈ ℕ ↦
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑚 + 1)) + 1)))) = (𝑚 ∈ ℕ ↦
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑚 + 1)) +
1)))) | 
| 157 |  | ovex 7465 | . . . . . . . 8
⊢
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑛 + 1)) + 1))) ∈
V | 
| 158 | 155, 156,
157 | fvmpt 7015 | . . . . . . 7
⊢ (𝑛 ∈ ℕ → ((𝑚 ∈ ℕ ↦
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑚 + 1)) +
1))))‘𝑛) =
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑛 + 1)) +
1)))) | 
| 159 | 158 | adantl 481 | . . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) = ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1)))) | 
| 160 | 149 | oveq2d 7448 | . . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) − ((𝑚 ∈ ℕ ↦
(log‘((𝐴 / (𝑚 + 1)) + 1)))‘𝑛)) = ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1)))) | 
| 161 | 159, 160 | eqtr4d 2779 | . . . . 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))) | 
| 162 | 1, 2, 139, 142, 144, 154, 161 | climsubc2 15676 | . . . 4
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑚 + 1)) + 1)))) ⇝
((log‘(𝐴 + 1))
− 0)) | 
| 163 | 142 | subid1d 11610 | . . . 4
⊢ (𝜑 → ((log‘(𝐴 + 1)) − 0) =
(log‘(𝐴 +
1))) | 
| 164 | 162, 163 | breqtrd 5168 | . . 3
⊢ (𝜑 → (𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑚 + 1)) + 1)))) ⇝
(log‘(𝐴 +
1))) | 
| 165 |  | elfznn 13594 | . . . . . . 7
⊢ (𝑘 ∈ (1...𝑛) → 𝑘 ∈ ℕ) | 
| 166 | 165 | adantl 481 | . . . . . 6
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℕ) | 
| 167 |  | oveq1 7439 | . . . . . . . . . . 11
⊢ (𝑚 = 𝑘 → (𝑚 + 1) = (𝑘 + 1)) | 
| 168 |  | id 22 | . . . . . . . . . . 11
⊢ (𝑚 = 𝑘 → 𝑚 = 𝑘) | 
| 169 | 167, 168 | oveq12d 7450 | . . . . . . . . . 10
⊢ (𝑚 = 𝑘 → ((𝑚 + 1) / 𝑚) = ((𝑘 + 1) / 𝑘)) | 
| 170 | 169 | fveq2d 6909 | . . . . . . . . 9
⊢ (𝑚 = 𝑘 → (log‘((𝑚 + 1) / 𝑚)) = (log‘((𝑘 + 1) / 𝑘))) | 
| 171 | 170 | oveq2d 7448 | . . . . . . . 8
⊢ (𝑚 = 𝑘 → ((𝐴 + 1) · (log‘((𝑚 + 1) / 𝑚))) = ((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘)))) | 
| 172 |  | oveq2 7440 | . . . . . . . . 9
⊢ (𝑚 = 𝑘 → ((𝐴 + 1) / 𝑚) = ((𝐴 + 1) / 𝑘)) | 
| 173 | 172 | fvoveq1d 7454 | . . . . . . . 8
⊢ (𝑚 = 𝑘 → (log‘(((𝐴 + 1) / 𝑚) + 1)) = (log‘(((𝐴 + 1) / 𝑘) + 1))) | 
| 174 | 171, 173 | oveq12d 7450 | . . . . . . 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 7465 | . . . . . . 7
⊢ (((𝐴 + 1) ·
(log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ V | 
| 176 | 174, 3, 175 | fvmpt 7015 | . . . . . 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)))) | 
| 177 | 166, 176 | syl 17 | . . . . 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)))) | 
| 178 | 91, 1 | eleqtrdi 2850 | . . . . 5
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈
(ℤ≥‘1)) | 
| 179 | 11 | ad2antrr 726 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝐴 ∈ ℂ) | 
| 180 |  | 1cnd 11257 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 1 ∈ ℂ) | 
| 181 | 179, 180 | addcld 11281 | . . . . . . 7
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + 1) ∈ ℂ) | 
| 182 | 166 | peano2nnd 12284 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℕ) | 
| 183 | 182 | nnrpd 13076 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈
ℝ+) | 
| 184 | 166 | nnrpd 13076 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℝ+) | 
| 185 | 183, 184 | rpdivcld 13095 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑘 + 1) / 𝑘) ∈
ℝ+) | 
| 186 | 185 | relogcld 26666 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) ∈ ℝ) | 
| 187 | 186 | recnd 11290 | . . . . . . 7
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) ∈ ℂ) | 
| 188 | 181, 187 | mulcld 11282 | . . . . . 6
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) ∈ ℂ) | 
| 189 | 166 | nncnd 12283 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ ℂ) | 
| 190 | 166 | nnne0d 12317 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ≠ 0) | 
| 191 | 181, 189,
190 | divcld 12044 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) / 𝑘) ∈ ℂ) | 
| 192 | 191, 180 | addcld 11281 | . . . . . . 7
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) ∈ ℂ) | 
| 193 | 7 | ad2antrr 726 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + 1) ∈ (ℂ ∖ (ℤ
∖ ℕ))) | 
| 194 | 193, 166 | dmgmdivn0 27072 | . . . . . . 7
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) ≠ 0) | 
| 195 | 192, 194 | logcld 26613 | . . . . . 6
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) ∈ ℂ) | 
| 196 | 188, 195 | subcld 11621 | . . . . 5
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ) | 
| 197 | 177, 178,
196 | fsumser 15767 | . . . 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 14015 | . . . . 5
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (1...𝑛) ∈ Fin) | 
| 199 | 198, 196 | fsumcl 15770 | . . . 4
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)(((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ) | 
| 200 | 197, 199 | eqeltrrd 2841 | . . 3
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (seq1( + , (𝑚 ∈ ℕ ↦ (((𝐴 + 1) ·
(log‘((𝑚 + 1) / 𝑚))) − (log‘(((𝐴 + 1) / 𝑚) + 1)))))‘𝑛) ∈ ℂ) | 
| 201 | 142 | adantr 480 | . . . . 5
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘(𝐴 + 1)) ∈
ℂ) | 
| 202 | 201, 153 | subcld 11621 | . . . 4
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1))) ∈
ℂ) | 
| 203 | 159, 202 | eqeltrd 2840 | . . 3
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((𝑚 ∈ ℕ ↦ ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑚 + 1)) + 1))))‘𝑛) ∈
ℂ) | 
| 204 | 179, 187 | mulcld 11282 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 · (log‘((𝑘 + 1) / 𝑘))) ∈ ℂ) | 
| 205 | 179, 189,
190 | divcld 12044 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 / 𝑘) ∈ ℂ) | 
| 206 | 205, 180 | addcld 11281 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / 𝑘) + 1) ∈ ℂ) | 
| 207 | 4 | ad2antrr 726 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → 𝐴 ∈ (ℂ ∖ (ℤ ∖
ℕ))) | 
| 208 | 207, 166 | dmgmdivn0 27072 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / 𝑘) + 1) ≠ 0) | 
| 209 | 206, 208 | logcld 26613 | . . . . . . . 8
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / 𝑘) + 1)) ∈ ℂ) | 
| 210 | 204, 209 | subcld 11621 | . . . . . . 7
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ ℂ) | 
| 211 | 198, 210 | fsumcl 15770 | . . . . . 6
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ ℂ) | 
| 212 | 199, 211 | nncand 11626 | . . . . 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)))) | 
| 213 | 188, 195,
204, 209 | sub4d 11670 | . . . . . . . . 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))))) | 
| 214 | 179, 180 | pncan2d 11623 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) − 𝐴) = 1) | 
| 215 | 214 | oveq1d 7447 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) − 𝐴) · (log‘((𝑘 + 1) / 𝑘))) = (1 · (log‘((𝑘 + 1) / 𝑘)))) | 
| 216 | 181, 179,
187 | subdird 11721 | . . . . . . . . . . 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))))) | 
| 217 | 187 | mullidd 11280 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (1 · (log‘((𝑘 + 1) / 𝑘))) = (log‘((𝑘 + 1) / 𝑘))) | 
| 218 | 215, 216,
217 | 3eqtr3d 2784 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) · (log‘((𝑘 + 1) / 𝑘))) − (𝐴 · (log‘((𝑘 + 1) / 𝑘)))) = (log‘((𝑘 + 1) / 𝑘))) | 
| 219 | 218 | oveq1d 7447 | . . . . . . . . 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))))) | 
| 220 | 187, 195,
209 | subsubd 11649 | . . . . . . . . . 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)))) | 
| 221 | 187, 195 | subcld 11621 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘((𝑘 + 1) / 𝑘)) − (log‘(((𝐴 + 1) / 𝑘) + 1))) ∈ ℂ) | 
| 222 | 221, 209 | addcomd 11464 | . . . . . . . . . 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))))) | 
| 223 | 209, 195,
187 | subsub2d 11650 | . . . . . . . . . . 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))))) | 
| 224 | 182 | nncnd 12283 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈ ℂ) | 
| 225 | 179, 224 | addcld 11281 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + (𝑘 + 1)) ∈ ℂ) | 
| 226 | 182 | nnnn0d 12589 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ∈
ℕ0) | 
| 227 |  | dmgmaddn0 27067 | . . . . . . . . . . . . . . . 16
⊢ ((𝐴 ∈ (ℂ ∖
(ℤ ∖ ℕ)) ∧ (𝑘 + 1) ∈ ℕ0) →
(𝐴 + (𝑘 + 1)) ≠ 0) | 
| 228 | 207, 226,
227 | syl2anc 584 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐴 + (𝑘 + 1)) ≠ 0) | 
| 229 | 225, 228 | logcld 26613 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝐴 + (𝑘 + 1))) ∈ ℂ) | 
| 230 | 183 | relogcld 26666 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝑘 + 1)) ∈ ℝ) | 
| 231 | 230 | recnd 11290 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(𝑘 + 1)) ∈ ℂ) | 
| 232 | 184 | relogcld 26666 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘𝑘) ∈ ℝ) | 
| 233 | 232 | recnd 11290 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘𝑘) ∈ ℂ) | 
| 234 | 229, 231,
233 | nnncan2d 11656 | . . . . . . . . . . . . 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)))) | 
| 235 | 181, 189,
189, 190 | divdird 12082 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) + 𝑘) / 𝑘) = (((𝐴 + 1) / 𝑘) + (𝑘 / 𝑘))) | 
| 236 | 179, 189,
180 | add32d 11490 | . . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 𝑘) + 1) = ((𝐴 + 1) + 𝑘)) | 
| 237 | 179, 189,
180 | addassd 11284 | . . . . . . . . . . . . . . . . . . 19
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 𝑘) + 1) = (𝐴 + (𝑘 + 1))) | 
| 238 | 236, 237 | eqtr3d 2778 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + 1) + 𝑘) = (𝐴 + (𝑘 + 1))) | 
| 239 | 238 | oveq1d 7447 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) + 𝑘) / 𝑘) = ((𝐴 + (𝑘 + 1)) / 𝑘)) | 
| 240 | 189, 190 | dividd 12042 | . . . . . . . . . . . . . . . . . 18
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 / 𝑘) = 1) | 
| 241 | 240 | oveq2d 7448 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + (𝑘 / 𝑘)) = (((𝐴 + 1) / 𝑘) + 1)) | 
| 242 | 235, 239,
241 | 3eqtr3rd 2785 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐴 + 1) / 𝑘) + 1) = ((𝐴 + (𝑘 + 1)) / 𝑘)) | 
| 243 | 242 | fveq2d 6909 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) = (log‘((𝐴 + (𝑘 + 1)) / 𝑘))) | 
| 244 |  | logdiv2 26660 | . . . . . . . . . . . . . . . 16
⊢ (((𝐴 + (𝑘 + 1)) ∈ ℂ ∧ (𝐴 + (𝑘 + 1)) ≠ 0 ∧ 𝑘 ∈ ℝ+) →
(log‘((𝐴 + (𝑘 + 1)) / 𝑘)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘))) | 
| 245 | 225, 228,
184, 244 | syl3anc 1372 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 + (𝑘 + 1)) / 𝑘)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘))) | 
| 246 | 243, 245 | eqtrd 2776 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘(((𝐴 + 1) / 𝑘) + 1)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘𝑘))) | 
| 247 | 183, 184 | relogdivd 26669 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝑘 + 1) / 𝑘)) = ((log‘(𝑘 + 1)) − (log‘𝑘))) | 
| 248 | 246, 247 | oveq12d 7450 | . . . . . . . . . . . . 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)))) | 
| 249 | 182 | nnne0d 12317 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝑘 + 1) ≠ 0) | 
| 250 | 179, 224,
224, 249 | divdird 12082 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 + (𝑘 + 1)) / (𝑘 + 1)) = ((𝐴 / (𝑘 + 1)) + ((𝑘 + 1) / (𝑘 + 1)))) | 
| 251 | 224, 249 | dividd 12042 | . . . . . . . . . . . . . . . . 17
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝑘 + 1) / (𝑘 + 1)) = 1) | 
| 252 | 251 | oveq2d 7448 | . . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / (𝑘 + 1)) + ((𝑘 + 1) / (𝑘 + 1))) = ((𝐴 / (𝑘 + 1)) + 1)) | 
| 253 | 250, 252 | eqtr2d 2777 | . . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐴 / (𝑘 + 1)) + 1) = ((𝐴 + (𝑘 + 1)) / (𝑘 + 1))) | 
| 254 | 253 | fveq2d 6909 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / (𝑘 + 1)) + 1)) = (log‘((𝐴 + (𝑘 + 1)) / (𝑘 + 1)))) | 
| 255 |  | logdiv2 26660 | . . . . . . . . . . . . . . 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)))) | 
| 256 | 225, 228,
183, 255 | syl3anc 1372 | . . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 + (𝑘 + 1)) / (𝑘 + 1))) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1)))) | 
| 257 | 254, 256 | eqtrd 2776 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (log‘((𝐴 / (𝑘 + 1)) + 1)) = ((log‘(𝐴 + (𝑘 + 1))) − (log‘(𝑘 + 1)))) | 
| 258 | 234, 248,
257 | 3eqtr4d 2786 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → ((log‘(((𝐴 + 1) / 𝑘) + 1)) − (log‘((𝑘 + 1) / 𝑘))) = (log‘((𝐴 / (𝑘 + 1)) + 1))) | 
| 259 | 258 | oveq2d 7448 | . . . . . . . . . . 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)))) | 
| 260 | 223, 259 | eqtr3d 2778 | . . . . . . . . . 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)))) | 
| 261 | 220, 222,
260 | 3eqtrd 2780 | . . . . . . . . 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)))) | 
| 262 | 213, 219,
261 | 3eqtrd 2780 | . . . . . . . 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)))) | 
| 263 | 262 | sumeq2dv 15739 | . . . . . . 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)))) | 
| 264 | 198, 196,
210 | fsumsub 15825 | . . . . . . 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 7440 | . . . . . . . . . 10
⊢ (𝑥 = 𝑘 → (𝐴 / 𝑥) = (𝐴 / 𝑘)) | 
| 266 | 265 | fvoveq1d 7454 | . . . . . . . . 9
⊢ (𝑥 = 𝑘 → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / 𝑘) + 1))) | 
| 267 |  | oveq2 7440 | . . . . . . . . . 10
⊢ (𝑥 = (𝑘 + 1) → (𝐴 / 𝑥) = (𝐴 / (𝑘 + 1))) | 
| 268 | 267 | fvoveq1d 7454 | . . . . . . . . 9
⊢ (𝑥 = (𝑘 + 1) → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / (𝑘 + 1)) + 1))) | 
| 269 |  | oveq2 7440 | . . . . . . . . . 10
⊢ (𝑥 = 1 → (𝐴 / 𝑥) = (𝐴 / 1)) | 
| 270 | 269 | fvoveq1d 7454 | . . . . . . . . 9
⊢ (𝑥 = 1 → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / 1) + 1))) | 
| 271 |  | oveq2 7440 | . . . . . . . . . 10
⊢ (𝑥 = (𝑛 + 1) → (𝐴 / 𝑥) = (𝐴 / (𝑛 + 1))) | 
| 272 | 271 | fvoveq1d 7454 | . . . . . . . . 9
⊢ (𝑥 = (𝑛 + 1) → (log‘((𝐴 / 𝑥) + 1)) = (log‘((𝐴 / (𝑛 + 1)) + 1))) | 
| 273 | 91 | nnzd 12642 | . . . . . . . . 9
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → 𝑛 ∈ ℤ) | 
| 274 | 95, 1 | eleqtrdi 2850 | . . . . . . . . 9
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝑛 + 1) ∈
(ℤ≥‘1)) | 
| 275 | 11 | ad2antrr 726 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝐴 ∈ ℂ) | 
| 276 |  | elfznn 13594 | . . . . . . . . . . . . . 14
⊢ (𝑥 ∈ (1...(𝑛 + 1)) → 𝑥 ∈ ℕ) | 
| 277 | 276 | adantl 481 | . . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ∈ ℕ) | 
| 278 | 277 | nncnd 12283 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ∈ ℂ) | 
| 279 | 277 | nnne0d 12317 | . . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝑥 ≠ 0) | 
| 280 | 275, 278,
279 | divcld 12044 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → (𝐴 / 𝑥) ∈ ℂ) | 
| 281 |  | 1cnd 11257 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 1 ∈
ℂ) | 
| 282 | 280, 281 | addcld 11281 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → ((𝐴 / 𝑥) + 1) ∈ ℂ) | 
| 283 | 4 | ad2antrr 726 | . . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → 𝐴 ∈ (ℂ ∖ (ℤ ∖
ℕ))) | 
| 284 | 283, 277 | dmgmdivn0 27072 | . . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → ((𝐴 / 𝑥) + 1) ≠ 0) | 
| 285 | 282, 284 | logcld 26613 | . . . . . . . . 9
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑥 ∈ (1...(𝑛 + 1))) → (log‘((𝐴 / 𝑥) + 1)) ∈ ℂ) | 
| 286 | 266, 268,
270, 272, 273, 274, 285 | telfsum 15841 | . . . . . . . 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)))) | 
| 287 | 90 | div1d 12036 | . . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (𝐴 / 1) = 𝐴) | 
| 288 | 287 | fvoveq1d 7454 | . . . . . . . . 9
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → (log‘((𝐴 / 1) + 1)) = (log‘(𝐴 + 1))) | 
| 289 | 288 | oveq1d 7447 | . . . . . . . 8
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘((𝐴 / 1) + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1))) =
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑛 + 1)) +
1)))) | 
| 290 | 286, 289 | eqtrd 2776 | . . . . . . 7
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((log‘((𝐴 / 𝑘) + 1)) − (log‘((𝐴 / (𝑘 + 1)) + 1))) = ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1)))) | 
| 291 | 263, 264,
290 | 3eqtr3d 2784 | . . . . . 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)))) | 
| 292 | 291 | oveq2d 7448 | . . . . 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))))) | 
| 293 | 212, 292 | eqtr3d 2778 | . . . 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))))) | 
| 294 | 170 | oveq2d 7448 | . . . . . . . 8
⊢ (𝑚 = 𝑘 → (𝐴 · (log‘((𝑚 + 1) / 𝑚))) = (𝐴 · (log‘((𝑘 + 1) / 𝑘)))) | 
| 295 |  | oveq2 7440 | . . . . . . . . 9
⊢ (𝑚 = 𝑘 → (𝐴 / 𝑚) = (𝐴 / 𝑘)) | 
| 296 | 295 | fvoveq1d 7454 | . . . . . . . 8
⊢ (𝑚 = 𝑘 → (log‘((𝐴 / 𝑚) + 1)) = (log‘((𝐴 / 𝑘) + 1))) | 
| 297 | 294, 296 | oveq12d 7450 | . . . . . . 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 7465 | . . . . . . 7
⊢ ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) ∈ V | 
| 300 | 297, 298,
299 | fvmpt 7015 | . . . . . 6
⊢ (𝑘 ∈ ℕ → (𝐺‘𝑘) = ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) | 
| 301 | 166, 300 | syl 17 | . . . . 5
⊢ (((𝜑 ∧ 𝑛 ∈ ℕ) ∧ 𝑘 ∈ (1...𝑛)) → (𝐺‘𝑘) = ((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1)))) | 
| 302 | 301, 178,
210 | fsumser 15767 | . . . 4
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → Σ𝑘 ∈ (1...𝑛)((𝐴 · (log‘((𝑘 + 1) / 𝑘))) − (log‘((𝐴 / 𝑘) + 1))) = (seq1( + , 𝐺)‘𝑛)) | 
| 303 | 159 | eqcomd 2742 | . . . . 5
⊢ ((𝜑 ∧ 𝑛 ∈ ℕ) → ((log‘(𝐴 + 1)) −
(log‘((𝐴 / (𝑛 + 1)) + 1))) = ((𝑚 ∈ ℕ ↦
((log‘(𝐴 + 1))
− (log‘((𝐴 /
(𝑚 + 1)) +
1))))‘𝑛)) | 
| 304 | 197, 303 | oveq12d 7450 | . . . 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))) | 
| 305 | 293, 302,
304 | 3eqtr3d 2784 | . . 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))) | 
| 306 | 1, 2, 8, 10, 164, 200, 203, 305 | climsub 15671 | . 2
⊢ (𝜑 → seq1( + , 𝐺) ⇝ (((log
Γ‘(𝐴 + 1)) +
(log‘(𝐴 + 1)))
− (log‘(𝐴 +
1)))) | 
| 307 |  | lgamcl 27085 | . . . 4
⊢ ((𝐴 + 1) ∈ (ℂ ∖
(ℤ ∖ ℕ)) → (log Γ‘(𝐴 + 1)) ∈ ℂ) | 
| 308 | 7, 307 | syl 17 | . . 3
⊢ (𝜑 → (log Γ‘(𝐴 + 1)) ∈
ℂ) | 
| 309 | 308, 142 | pncand 11622 | . 2
⊢ (𝜑 → (((log
Γ‘(𝐴 + 1)) +
(log‘(𝐴 + 1)))
− (log‘(𝐴 +
1))) = (log Γ‘(𝐴 + 1))) | 
| 310 | 306, 309 | breqtrd 5168 | 1
⊢ (𝜑 → seq1( + , 𝐺) ⇝ (log
Γ‘(𝐴 +
1))) |