| Step | Hyp | Ref
 | Expression | 
| 1 |   | eqid 2196 | 
. . 3
⊢
(ℤ≥‘𝑀) = (ℤ≥‘𝑀) | 
| 2 |   | geolim2.3 | 
. . . 4
⊢ (𝜑 → 𝑀 ∈
ℕ0) | 
| 3 | 2 | nn0zd 9446 | 
. . 3
⊢ (𝜑 → 𝑀 ∈ ℤ) | 
| 4 |   | geolim2.4 | 
. . 3
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝐹‘𝑘) = (𝐴↑𝑘)) | 
| 5 |   | geolim.1 | 
. . . . 5
⊢ (𝜑 → 𝐴 ∈ ℂ) | 
| 6 | 5 | adantr 276 | 
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → 𝐴 ∈ ℂ) | 
| 7 |   | eluznn0 9673 | 
. . . . 5
⊢ ((𝑀 ∈ ℕ0
∧ 𝑘 ∈
(ℤ≥‘𝑀)) → 𝑘 ∈ ℕ0) | 
| 8 | 2, 7 | sylan 283 | 
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → 𝑘 ∈ ℕ0) | 
| 9 | 6, 8 | expcld 10765 | 
. . 3
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → (𝐴↑𝑘) ∈ ℂ) | 
| 10 |   | eluzelz 9610 | 
. . . . . . . . 9
⊢ (𝑥 ∈
(ℤ≥‘𝑀) → 𝑥 ∈ ℤ) | 
| 11 | 10 | adantl 277 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑥 ∈ ℤ) | 
| 12 |   | 0red 8027 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 0 ∈
ℝ) | 
| 13 | 3 | adantr 276 | 
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℤ) | 
| 14 | 13 | zred 9448 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑀 ∈ ℝ) | 
| 15 | 11 | zred 9448 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑥 ∈ ℝ) | 
| 16 | 2 | nn0ge0d 9305 | 
. . . . . . . . . 10
⊢ (𝜑 → 0 ≤ 𝑀) | 
| 17 | 16 | adantr 276 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 0 ≤ 𝑀) | 
| 18 |   | eluzle 9613 | 
. . . . . . . . . 10
⊢ (𝑥 ∈
(ℤ≥‘𝑀) → 𝑀 ≤ 𝑥) | 
| 19 | 18 | adantl 277 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑀 ≤ 𝑥) | 
| 20 | 12, 14, 15, 17, 19 | letrd 8150 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 0 ≤ 𝑥) | 
| 21 |   | elnn0z 9339 | 
. . . . . . . 8
⊢ (𝑥 ∈ ℕ0
↔ (𝑥 ∈ ℤ
∧ 0 ≤ 𝑥)) | 
| 22 | 11, 20, 21 | sylanbrc 417 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝑥 ∈ ℕ0) | 
| 23 | 5 | adantr 276 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → 𝐴 ∈ ℂ) | 
| 24 | 23, 22 | expcld 10765 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → (𝐴↑𝑥) ∈ ℂ) | 
| 25 |   | oveq2 5930 | 
. . . . . . . 8
⊢ (𝑛 = 𝑥 → (𝐴↑𝑛) = (𝐴↑𝑥)) | 
| 26 |   | eqid 2196 | 
. . . . . . . 8
⊢ (𝑛 ∈ ℕ0
↦ (𝐴↑𝑛)) = (𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛)) | 
| 27 | 25, 26 | fvmptg 5637 | 
. . . . . . 7
⊢ ((𝑥 ∈ ℕ0
∧ (𝐴↑𝑥) ∈ ℂ) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑥) = (𝐴↑𝑥)) | 
| 28 | 22, 24, 27 | syl2anc 411 | 
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → ((𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))‘𝑥) = (𝐴↑𝑥)) | 
| 29 | 28, 24 | eqeltrd 2273 | 
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ (ℤ≥‘𝑀)) → ((𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))‘𝑥) ∈ ℂ) | 
| 30 |   | oveq2 5930 | 
. . . . . . . 8
⊢ (𝑛 = 𝑘 → (𝐴↑𝑛) = (𝐴↑𝑘)) | 
| 31 | 30, 26 | fvmptg 5637 | 
. . . . . . 7
⊢ ((𝑘 ∈ ℕ0
∧ (𝐴↑𝑘) ∈ ℂ) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑘) = (𝐴↑𝑘)) | 
| 32 | 8, 9, 31 | syl2anc 411 | 
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))‘𝑘) = (𝐴↑𝑘)) | 
| 33 | 32, 4 | eqtr4d 2232 | 
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ (ℤ≥‘𝑀)) → ((𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))‘𝑘) = (𝐹‘𝑘)) | 
| 34 |   | addcl 8004 | 
. . . . . 6
⊢ ((𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ) → (𝑥 + 𝑦) ∈ ℂ) | 
| 35 | 34 | adantl 277 | 
. . . . 5
⊢ ((𝜑 ∧ (𝑥 ∈ ℂ ∧ 𝑦 ∈ ℂ)) → (𝑥 + 𝑦) ∈ ℂ) | 
| 36 | 3, 29, 33, 35 | seq3feq 10572 | 
. . . 4
⊢ (𝜑 → seq𝑀( + , (𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))) = seq𝑀( + , 𝐹)) | 
| 37 |   | seqex 10541 | 
. . . . . 6
⊢ seq0( + ,
(𝑛 ∈
ℕ0 ↦ (𝐴↑𝑛))) ∈ V | 
| 38 |   | ax-1cn 7972 | 
. . . . . . . 8
⊢ 1 ∈
ℂ | 
| 39 |   | subcl 8225 | 
. . . . . . . 8
⊢ ((1
∈ ℂ ∧ 𝐴
∈ ℂ) → (1 − 𝐴) ∈ ℂ) | 
| 40 | 38, 5, 39 | sylancr 414 | 
. . . . . . 7
⊢ (𝜑 → (1 − 𝐴) ∈
ℂ) | 
| 41 |   | 1cnd 8042 | 
. . . . . . . 8
⊢ (𝜑 → 1 ∈
ℂ) | 
| 42 |   | 1red 8041 | 
. . . . . . . . . 10
⊢ (𝜑 → 1 ∈
ℝ) | 
| 43 |   | geolim.2 | 
. . . . . . . . . 10
⊢ (𝜑 → (abs‘𝐴) < 1) | 
| 44 | 5, 42, 43 | absltap 11674 | 
. . . . . . . . 9
⊢ (𝜑 → 𝐴 # 1) | 
| 45 |   | apsym 8633 | 
. . . . . . . . . 10
⊢ ((𝐴 ∈ ℂ ∧ 1 ∈
ℂ) → (𝐴 # 1
↔ 1 # 𝐴)) | 
| 46 | 5, 41, 45 | syl2anc 411 | 
. . . . . . . . 9
⊢ (𝜑 → (𝐴 # 1 ↔ 1 # 𝐴)) | 
| 47 | 44, 46 | mpbid 147 | 
. . . . . . . 8
⊢ (𝜑 → 1 # 𝐴) | 
| 48 | 41, 5, 47 | subap0d 8671 | 
. . . . . . 7
⊢ (𝜑 → (1 − 𝐴) # 0) | 
| 49 | 40, 48 | recclapd 8808 | 
. . . . . 6
⊢ (𝜑 → (1 / (1 − 𝐴)) ∈
ℂ) | 
| 50 |   | simpr 110 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → 𝑗 ∈
ℕ0) | 
| 51 | 5 | adantr 276 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → 𝐴 ∈
ℂ) | 
| 52 | 51, 50 | expcld 10765 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → (𝐴↑𝑗) ∈ ℂ) | 
| 53 |   | oveq2 5930 | 
. . . . . . . . 9
⊢ (𝑛 = 𝑗 → (𝐴↑𝑛) = (𝐴↑𝑗)) | 
| 54 | 53, 26 | fvmptg 5637 | 
. . . . . . . 8
⊢ ((𝑗 ∈ ℕ0
∧ (𝐴↑𝑗) ∈ ℂ) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑗) = (𝐴↑𝑗)) | 
| 55 | 50, 52, 54 | syl2anc 411 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑗) = (𝐴↑𝑗)) | 
| 56 | 5, 43, 55 | geolim 11676 | 
. . . . . 6
⊢ (𝜑 → seq0( + , (𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))) ⇝ (1 / (1 −
𝐴))) | 
| 57 |   | breldmg 4872 | 
. . . . . 6
⊢ ((seq0( +
, (𝑛 ∈
ℕ0 ↦ (𝐴↑𝑛))) ∈ V ∧ (1 / (1 − 𝐴)) ∈ ℂ ∧ seq0( +
, (𝑛 ∈
ℕ0 ↦ (𝐴↑𝑛))) ⇝ (1 / (1 − 𝐴))) → seq0( + , (𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))) ∈ dom ⇝ ) | 
| 58 | 37, 49, 56, 57 | mp3an2i 1353 | 
. . . . 5
⊢ (𝜑 → seq0( + , (𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))) ∈ dom ⇝
) | 
| 59 |   | nn0uz 9636 | 
. . . . . 6
⊢
ℕ0 = (ℤ≥‘0) | 
| 60 |   | expcl 10649 | 
. . . . . . . 8
⊢ ((𝐴 ∈ ℂ ∧ 𝑗 ∈ ℕ0)
→ (𝐴↑𝑗) ∈
ℂ) | 
| 61 | 5, 60 | sylan 283 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → (𝐴↑𝑗) ∈ ℂ) | 
| 62 | 55, 61 | eqeltrd 2273 | 
. . . . . 6
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ0) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑗) ∈ ℂ) | 
| 63 | 59, 2, 62 | iserex 11504 | 
. . . . 5
⊢ (𝜑 → (seq0( + , (𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))) ∈ dom ⇝ ↔
seq𝑀( + , (𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))) ∈ dom ⇝
)) | 
| 64 | 58, 63 | mpbid 147 | 
. . . 4
⊢ (𝜑 → seq𝑀( + , (𝑛 ∈ ℕ0 ↦ (𝐴↑𝑛))) ∈ dom ⇝ ) | 
| 65 | 36, 64 | eqeltrrd 2274 | 
. . 3
⊢ (𝜑 → seq𝑀( + , 𝐹) ∈ dom ⇝ ) | 
| 66 | 1, 3, 4, 9, 65 | isumclim2 11587 | 
. 2
⊢ (𝜑 → seq𝑀( + , 𝐹) ⇝ Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) | 
| 67 |   | simpr 110 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝑘 ∈
ℕ0) | 
| 68 | 5 | adantr 276 | 
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → 𝐴 ∈
ℂ) | 
| 69 | 68, 67 | expcld 10765 | 
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐴↑𝑘) ∈ ℂ) | 
| 70 | 67, 69, 31 | syl2anc 411 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → ((𝑛 ∈ ℕ0
↦ (𝐴↑𝑛))‘𝑘) = (𝐴↑𝑘)) | 
| 71 |   | expcl 10649 | 
. . . . . . . 8
⊢ ((𝐴 ∈ ℂ ∧ 𝑘 ∈ ℕ0)
→ (𝐴↑𝑘) ∈
ℂ) | 
| 72 | 5, 71 | sylan 283 | 
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ0) → (𝐴↑𝑘) ∈ ℂ) | 
| 73 | 59, 1, 2, 70, 72, 58 | isumsplit 11656 | 
. . . . . 6
⊢ (𝜑 → Σ𝑘 ∈ ℕ0 (𝐴↑𝑘) = (Σ𝑘 ∈ (0...(𝑀 − 1))(𝐴↑𝑘) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘))) | 
| 74 |   | 0zd 9338 | 
. . . . . . 7
⊢ (𝜑 → 0 ∈
ℤ) | 
| 75 | 59, 74, 70, 72, 56 | isumclim 11586 | 
. . . . . 6
⊢ (𝜑 → Σ𝑘 ∈ ℕ0 (𝐴↑𝑘) = (1 / (1 − 𝐴))) | 
| 76 | 73, 75 | eqtr3d 2231 | 
. . . . 5
⊢ (𝜑 → (Σ𝑘 ∈ (0...(𝑀 − 1))(𝐴↑𝑘) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) = (1 / (1 − 𝐴))) | 
| 77 | 5, 44, 2 | geoserap 11672 | 
. . . . . 6
⊢ (𝜑 → Σ𝑘 ∈ (0...(𝑀 − 1))(𝐴↑𝑘) = ((1 − (𝐴↑𝑀)) / (1 − 𝐴))) | 
| 78 | 77 | oveq1d 5937 | 
. . . . 5
⊢ (𝜑 → (Σ𝑘 ∈ (0...(𝑀 − 1))(𝐴↑𝑘) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) = (((1 − (𝐴↑𝑀)) / (1 − 𝐴)) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘))) | 
| 79 | 76, 78 | eqtr3d 2231 | 
. . . 4
⊢ (𝜑 → (1 / (1 − 𝐴)) = (((1 − (𝐴↑𝑀)) / (1 − 𝐴)) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘))) | 
| 80 | 79 | oveq1d 5937 | 
. . 3
⊢ (𝜑 → ((1 / (1 − 𝐴)) − ((1 − (𝐴↑𝑀)) / (1 − 𝐴))) = ((((1 − (𝐴↑𝑀)) / (1 − 𝐴)) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) − ((1 − (𝐴↑𝑀)) / (1 − 𝐴)))) | 
| 81 | 5, 2 | expcld 10765 | 
. . . . . 6
⊢ (𝜑 → (𝐴↑𝑀) ∈ ℂ) | 
| 82 |   | subcl 8225 | 
. . . . . 6
⊢ ((1
∈ ℂ ∧ (𝐴↑𝑀) ∈ ℂ) → (1 − (𝐴↑𝑀)) ∈ ℂ) | 
| 83 | 38, 81, 82 | sylancr 414 | 
. . . . 5
⊢ (𝜑 → (1 − (𝐴↑𝑀)) ∈ ℂ) | 
| 84 | 41, 83, 40, 48 | divsubdirapd 8857 | 
. . . 4
⊢ (𝜑 → ((1 − (1 −
(𝐴↑𝑀))) / (1 − 𝐴)) = ((1 / (1 − 𝐴)) − ((1 − (𝐴↑𝑀)) / (1 − 𝐴)))) | 
| 85 |   | nncan 8255 | 
. . . . . 6
⊢ ((1
∈ ℂ ∧ (𝐴↑𝑀) ∈ ℂ) → (1 − (1
− (𝐴↑𝑀))) = (𝐴↑𝑀)) | 
| 86 | 38, 81, 85 | sylancr 414 | 
. . . . 5
⊢ (𝜑 → (1 − (1 −
(𝐴↑𝑀))) = (𝐴↑𝑀)) | 
| 87 | 86 | oveq1d 5937 | 
. . . 4
⊢ (𝜑 → ((1 − (1 −
(𝐴↑𝑀))) / (1 − 𝐴)) = ((𝐴↑𝑀) / (1 − 𝐴))) | 
| 88 | 84, 87 | eqtr3d 2231 | 
. . 3
⊢ (𝜑 → ((1 / (1 − 𝐴)) − ((1 − (𝐴↑𝑀)) / (1 − 𝐴))) = ((𝐴↑𝑀) / (1 − 𝐴))) | 
| 89 | 83, 40, 48 | divclapd 8817 | 
. . . 4
⊢ (𝜑 → ((1 − (𝐴↑𝑀)) / (1 − 𝐴)) ∈ ℂ) | 
| 90 | 1, 3, 32, 9, 64 | isumcl 11590 | 
. . . 4
⊢ (𝜑 → Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘) ∈ ℂ) | 
| 91 | 89, 90 | pncan2d 8339 | 
. . 3
⊢ (𝜑 → ((((1 − (𝐴↑𝑀)) / (1 − 𝐴)) + Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) − ((1 − (𝐴↑𝑀)) / (1 − 𝐴))) = Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘)) | 
| 92 | 80, 88, 91 | 3eqtr3rd 2238 | 
. 2
⊢ (𝜑 → Σ𝑘 ∈ (ℤ≥‘𝑀)(𝐴↑𝑘) = ((𝐴↑𝑀) / (1 − 𝐴))) | 
| 93 | 66, 92 | breqtrd 4059 | 
1
⊢ (𝜑 → seq𝑀( + , 𝐹) ⇝ ((𝐴↑𝑀) / (1 − 𝐴))) |