| Step | Hyp | Ref
| Expression |
| 1 | | nfv 1947 |
. . 3
⊢
Ⅎ𝑘𝜑 |
| 2 | | nfcv 2923 |
. . 3
⊢
Ⅎ𝑘seq1(
+ , 𝐹) |
| 3 | | nfcv 2923 |
. . . 4
⊢
Ⅎ𝑘1 |
| 4 | | nfcv 2923 |
. . . 4
⊢
Ⅎ𝑘
+ |
| 5 | | nfmpt1 5204 |
. . . 4
⊢
Ⅎ𝑘(𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1))) |
| 6 | 3, 4, 5 | nfseq 14147 |
. . 3
⊢
Ⅎ𝑘seq1(
+ , (𝑘 ∈ ℕ
↦ (𝐹‘((2
· 𝑘) −
1)))) |
| 7 | | nfmpt1 5204 |
. . 3
⊢
Ⅎ𝑘(𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1)) |
| 8 | | nnuz 12997 |
. . 3
⊢ ℕ =
(ℤ≥‘1) |
| 9 | | 1zzd 12720 |
. . 3
⊢ (𝜑 → 1 ∈
ℤ) |
| 10 | | seqex 14139 |
. . . 4
⊢ seq1( + ,
𝐹) ∈
V |
| 11 | 10 | a1i 11 |
. . 3
⊢ (𝜑 → seq1( + , 𝐹) ∈ V) |
| 12 | | sumnnodd.1 |
. . . . . 6
⊢ (𝜑 → 𝐹:ℕ⟶ℂ) |
| 13 | 12 | ffvelcdmda 7082 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐹‘𝑘) ∈ ℂ) |
| 14 | 8, 9, 13 | serf 14166 |
. . . 4
⊢ (𝜑 → seq1( + , 𝐹):ℕ⟶ℂ) |
| 15 | 14 | ffvelcdmda 7082 |
. . 3
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (seq1( + , 𝐹)‘𝑘) ∈ ℂ) |
| 16 | | sumnnodd.sc |
. . 3
⊢ (𝜑 → seq1( + , 𝐹) ⇝ 𝐵) |
| 17 | | 1nn 12339 |
. . . . . . 7
⊢ 1 ∈
ℕ |
| 18 | | oveq2 7426 |
. . . . . . . . 9
⊢ (𝑘 = 1 → (2 · 𝑘) = (2 ·
1)) |
| 19 | 18 | oveq1d 7433 |
. . . . . . . 8
⊢ (𝑘 = 1 → ((2 · 𝑘) − 1) = ((2 · 1)
− 1)) |
| 20 | | eqid 2761 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ ↦ ((2
· 𝑘) − 1)) =
(𝑘 ∈ ℕ ↦
((2 · 𝑘) −
1)) |
| 21 | | ovex 7451 |
. . . . . . . 8
⊢ ((2
· 1) − 1) ∈ V |
| 22 | 19, 20, 21 | fvmpt 6991 |
. . . . . . 7
⊢ (1 ∈
ℕ → ((𝑘 ∈
ℕ ↦ ((2 · 𝑘) − 1))‘1) = ((2 · 1)
− 1)) |
| 23 | 17, 22 | ax-mp 5 |
. . . . . 6
⊢ ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘1) = ((2 · 1) − 1) |
| 24 | | 2t1e2 12498 |
. . . . . . 7
⊢ (2
· 1) = 2 |
| 25 | 24 | oveq1i 7428 |
. . . . . 6
⊢ ((2
· 1) − 1) = (2 − 1) |
| 26 | | 2m1e1 12460 |
. . . . . 6
⊢ (2
− 1) = 1 |
| 27 | 23, 25, 26 | 3eqtri 2788 |
. . . . 5
⊢ ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘1) = 1 |
| 28 | 27, 17 | eqeltri 2857 |
. . . 4
⊢ ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘1) ∈ ℕ |
| 29 | 28 | a1i 11 |
. . 3
⊢ (𝜑 → ((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘1) ∈
ℕ) |
| 30 | | 2z 12721 |
. . . . . . . 8
⊢ 2 ∈
ℤ |
| 31 | 30 | a1i 11 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → 2 ∈
ℤ) |
| 32 | | nnz 12707 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → 𝑘 ∈
ℤ) |
| 33 | 31, 32 | zmulcld 12802 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → (2
· 𝑘) ∈
ℤ) |
| 34 | 32 | peano2zd 12799 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → (𝑘 + 1) ∈
ℤ) |
| 35 | 31, 34 | zmulcld 12802 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → (2
· (𝑘 + 1)) ∈
ℤ) |
| 36 | | 1zzd 12720 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → 1 ∈
ℤ) |
| 37 | 35, 36 | zsubcld 12801 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → ((2
· (𝑘 + 1)) −
1) ∈ ℤ) |
| 38 | | 2re 12410 |
. . . . . . . . . 10
⊢ 2 ∈
ℝ |
| 39 | 38 | a1i 11 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → 2 ∈
ℝ) |
| 40 | | nnre 12335 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → 𝑘 ∈
ℝ) |
| 41 | 39, 40 | remulcld 11332 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → (2
· 𝑘) ∈
ℝ) |
| 42 | 41 | lep1d 12241 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → (2
· 𝑘) ≤ ((2
· 𝑘) +
1)) |
| 43 | | 2cnd 12414 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ ℕ → 2 ∈
ℂ) |
| 44 | | nncn 12336 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ ℕ → 𝑘 ∈
ℂ) |
| 45 | | 1cnd 11295 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ ℕ → 1 ∈
ℂ) |
| 46 | 43, 44, 45 | adddid 11326 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ → (2
· (𝑘 + 1)) = ((2
· 𝑘) + (2 ·
1))) |
| 47 | 24 | oveq2i 7429 |
. . . . . . . . . 10
⊢ ((2
· 𝑘) + (2 ·
1)) = ((2 · 𝑘) +
2) |
| 48 | 46, 47 | eqtrdi 2812 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → (2
· (𝑘 + 1)) = ((2
· 𝑘) +
2)) |
| 49 | 48 | oveq1d 7433 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → ((2
· (𝑘 + 1)) −
1) = (((2 · 𝑘) + 2)
− 1)) |
| 50 | 43, 44 | mulcld 11322 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → (2
· 𝑘) ∈
ℂ) |
| 51 | 50, 43, 45 | addsubassd 11682 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → (((2
· 𝑘) + 2) − 1)
= ((2 · 𝑘) + (2
− 1))) |
| 52 | 26 | oveq2i 7429 |
. . . . . . . . 9
⊢ ((2
· 𝑘) + (2 −
1)) = ((2 · 𝑘) +
1) |
| 53 | 52 | a1i 11 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) + (2 −
1)) = ((2 · 𝑘) +
1)) |
| 54 | 49, 51, 53 | 3eqtrrd 2801 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) + 1) = ((2
· (𝑘 + 1)) −
1)) |
| 55 | 42, 54 | breqtrd 5131 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → (2
· 𝑘) ≤ ((2
· (𝑘 + 1)) −
1)) |
| 56 | | eluz2 12964 |
. . . . . 6
⊢ (((2
· (𝑘 + 1)) −
1) ∈ (ℤ≥‘(2 · 𝑘)) ↔ ((2 · 𝑘) ∈ ℤ ∧ ((2 · (𝑘 + 1)) − 1) ∈ ℤ
∧ (2 · 𝑘) ≤
((2 · (𝑘 + 1))
− 1))) |
| 57 | 33, 37, 55, 56 | syl3anbrc 1362 |
. . . . 5
⊢ (𝑘 ∈ ℕ → ((2
· (𝑘 + 1)) −
1) ∈ (ℤ≥‘(2 · 𝑘))) |
| 58 | | oveq2 7426 |
. . . . . . . 8
⊢ (𝑘 = 𝑗 → (2 · 𝑘) = (2 · 𝑗)) |
| 59 | 58 | oveq1d 7433 |
. . . . . . 7
⊢ (𝑘 = 𝑗 → ((2 · 𝑘) − 1) = ((2 · 𝑗) − 1)) |
| 60 | 59 | cbvmptv 5209 |
. . . . . 6
⊢ (𝑘 ∈ ℕ ↦ ((2
· 𝑘) − 1)) =
(𝑗 ∈ ℕ ↦
((2 · 𝑗) −
1)) |
| 61 | | oveq2 7426 |
. . . . . . 7
⊢ (𝑗 = (𝑘 + 1) → (2 · 𝑗) = (2 · (𝑘 + 1))) |
| 62 | 61 | oveq1d 7433 |
. . . . . 6
⊢ (𝑗 = (𝑘 + 1) → ((2 · 𝑗) − 1) = ((2 · (𝑘 + 1)) −
1)) |
| 63 | | peano2nn 12340 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → (𝑘 + 1) ∈
ℕ) |
| 64 | 60, 62, 63, 37 | fvmptd3 7015 |
. . . . 5
⊢ (𝑘 ∈ ℕ → ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘(𝑘 + 1)) = ((2
· (𝑘 + 1)) −
1)) |
| 65 | 33, 36 | zsubcld 12801 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) − 1)
∈ ℤ) |
| 66 | | fvmpt4 46219 |
. . . . . . . 8
⊢ ((𝑘 ∈ ℕ ∧ ((2
· 𝑘) − 1)
∈ ℤ) → ((𝑘
∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) = ((2 · 𝑘) − 1)) |
| 67 | 65, 66 | mpdan 700 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘) = ((2 ·
𝑘) −
1)) |
| 68 | 50, 45, 67 | mvrrsubd 11722 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → (((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘) + 1) = (2
· 𝑘)) |
| 69 | 68 | fveq2d 6887 |
. . . . 5
⊢ (𝑘 ∈ ℕ →
(ℤ≥‘(((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) + 1)) =
(ℤ≥‘(2 · 𝑘))) |
| 70 | 57, 64, 69 | 3eltr4d 2876 |
. . . 4
⊢ (𝑘 ∈ ℕ → ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘(𝑘 + 1)) ∈
(ℤ≥‘(((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) + 1))) |
| 71 | 70 | adantl 487 |
. . 3
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘(𝑘 + 1)) ∈
(ℤ≥‘(((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) + 1))) |
| 72 | | seqex 14139 |
. . . 4
⊢ seq1( + ,
(𝑘 ∈ ℕ ↦
(𝐹‘((2 · 𝑘) − 1)))) ∈
V |
| 73 | 72 | a1i 11 |
. . 3
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ∈
V) |
| 74 | | incom 4155 |
. . . . . . . . . 10
⊢
(((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) = (((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) |
| 75 | | inss2 4183 |
. . . . . . . . . . 11
⊢ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ⊆ {𝑛 ∈
ℕ ∣ (𝑛 / 2)
∈ ℕ} |
| 76 | | ssrin 4187 |
. . . . . . . . . . 11
⊢
(((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ⊆ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} →
(((1...((2 · 𝑘)
− 1)) ∩ {𝑛 ∈
ℕ ∣ (𝑛 / 2)
∈ ℕ}) ∩ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) ⊆ ({𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} ∩
((1...((2 · 𝑘)
− 1)) ∖ {𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ}))) |
| 77 | 75, 76 | ax-mp 5 |
. . . . . . . . . 10
⊢
(((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) ⊆ ({𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ} ∩ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 78 | 74, 77 | eqsstri 3977 |
. . . . . . . . 9
⊢
(((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) ⊆ ({𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ} ∩ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 79 | | disjdif 4426 |
. . . . . . . . 9
⊢ ({𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} ∩
((1...((2 · 𝑘)
− 1)) ∖ {𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ})) = ∅ |
| 80 | 78, 79 | sseqtri 3979 |
. . . . . . . 8
⊢
(((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) ⊆ ∅ |
| 81 | | ss0 4352 |
. . . . . . . 8
⊢
((((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) ⊆ ∅ → (((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∩ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) = ∅) |
| 82 | 80, 81 | mp1i 14 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (((1...((2 ·
𝑘) − 1)) ∖
{𝑛 ∈ ℕ ∣
(𝑛 / 2) ∈ ℕ})
∩ ((1...((2 · 𝑘)
− 1)) ∩ {𝑛 ∈
ℕ ∣ (𝑛 / 2)
∈ ℕ})) = ∅) |
| 83 | | uncom 4105 |
. . . . . . . . 9
⊢
(((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∪ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) = (((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∪ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) |
| 84 | | inundif 4435 |
. . . . . . . . 9
⊢
(((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∪ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})) = (1...((2 · 𝑘) − 1)) |
| 85 | 83, 84 | eqtr2i 2785 |
. . . . . . . 8
⊢ (1...((2
· 𝑘) − 1)) =
(((1...((2 · 𝑘)
− 1)) ∖ {𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ}) ∪ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 86 | 85 | a1i 11 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (1...((2 ·
𝑘) − 1)) = (((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ∪ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}))) |
| 87 | | fzfid 14109 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (1...((2 ·
𝑘) − 1)) ∈
Fin) |
| 88 | 12 | adantr 486 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → 𝐹:ℕ⟶ℂ) |
| 89 | | elfznn 13680 |
. . . . . . . . . 10
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 𝑗 ∈
ℕ) |
| 90 | 89 | adantl 487 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → 𝑗 ∈ ℕ) |
| 91 | 88, 90 | ffvelcdmd 7083 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → (𝐹‘𝑗) ∈ ℂ) |
| 92 | 91 | adantlr 728 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → (𝐹‘𝑗) ∈ ℂ) |
| 93 | 82, 86, 87, 92 | fsumsplit 15900 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...((2 · 𝑘) − 1))(𝐹‘𝑗) = (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗))) |
| 94 | | simpl 488 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → 𝜑) |
| 95 | | ssrab2 4028 |
. . . . . . . . . . . . . 14
⊢ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} ⊆
ℕ |
| 96 | 75 | sseli 3927 |
. . . . . . . . . . . . . 14
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}) |
| 97 | 95, 96 | sselid 3929 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈
ℕ) |
| 98 | 97 | adantl 487 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → 𝑗 ∈
ℕ) |
| 99 | | oveq1 7425 |
. . . . . . . . . . . . . . . 16
⊢ (𝑘 = 𝑗 → (𝑘 / 2) = (𝑗 / 2)) |
| 100 | 99 | eleq1d 2846 |
. . . . . . . . . . . . . . 15
⊢ (𝑘 = 𝑗 → ((𝑘 / 2) ∈ ℕ ↔ (𝑗 / 2) ∈
ℕ)) |
| 101 | | oveq1 7425 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑛 = 𝑘 → (𝑛 / 2) = (𝑘 / 2)) |
| 102 | 101 | eleq1d 2846 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑛 = 𝑘 → ((𝑛 / 2) ∈ ℕ ↔ (𝑘 / 2) ∈
ℕ)) |
| 103 | 102 | elrab 3645 |
. . . . . . . . . . . . . . . 16
⊢ (𝑘 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} ↔ (𝑘 ∈ ℕ ∧ (𝑘 / 2) ∈
ℕ)) |
| 104 | 103 | simprbi 503 |
. . . . . . . . . . . . . . 15
⊢ (𝑘 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} → (𝑘 / 2) ∈
ℕ) |
| 105 | 100, 104 | vtoclga 3537 |
. . . . . . . . . . . . . 14
⊢ (𝑗 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ} → (𝑗 / 2) ∈
ℕ) |
| 106 | 96, 105 | syl 18 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
(𝑗 / 2) ∈
ℕ) |
| 107 | 106 | adantl 487 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝑗 / 2) ∈
ℕ) |
| 108 | | eleq1w 2844 |
. . . . . . . . . . . . . . 15
⊢ (𝑘 = 𝑗 → (𝑘 ∈ ℕ ↔ 𝑗 ∈ ℕ)) |
| 109 | 108, 100 | 3anbi23d 1467 |
. . . . . . . . . . . . . 14
⊢ (𝑘 = 𝑗 → ((𝜑 ∧ 𝑘 ∈ ℕ ∧ (𝑘 / 2) ∈ ℕ) ↔ (𝜑 ∧ 𝑗 ∈ ℕ ∧ (𝑗 / 2) ∈ ℕ))) |
| 110 | | fveqeq2 6892 |
. . . . . . . . . . . . . 14
⊢ (𝑘 = 𝑗 → ((𝐹‘𝑘) = 0 ↔ (𝐹‘𝑗) = 0)) |
| 111 | 109, 110 | imbi12d 347 |
. . . . . . . . . . . . 13
⊢ (𝑘 = 𝑗 → (((𝜑 ∧ 𝑘 ∈ ℕ ∧ (𝑘 / 2) ∈ ℕ) → (𝐹‘𝑘) = 0) ↔ ((𝜑 ∧ 𝑗 ∈ ℕ ∧ (𝑗 / 2) ∈ ℕ) → (𝐹‘𝑗) = 0))) |
| 112 | | sumnnodd.even0 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ ∧ (𝑘 / 2) ∈ ℕ) → (𝐹‘𝑘) = 0) |
| 113 | 111, 112 | chvarvv 2022 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑗 ∈ ℕ ∧ (𝑗 / 2) ∈ ℕ) → (𝐹‘𝑗) = 0) |
| 114 | 94, 98, 107, 113 | syl3anc 1398 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑗) = 0) |
| 115 | 114 | sumeq2dv 15862 |
. . . . . . . . . 10
⊢ (𝜑 → Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) = Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})0) |
| 116 | | fzfid 14109 |
. . . . . . . . . . . . 13
⊢ (𝜑 → (1...((2 · 𝑘) − 1)) ∈
Fin) |
| 117 | | inss1 4182 |
. . . . . . . . . . . . . 14
⊢ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ⊆ (1...((2 · 𝑘) − 1)) |
| 118 | 117 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (𝜑 → ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ⊆
(1...((2 · 𝑘)
− 1))) |
| 119 | 116, 118 | ssfid 9253 |
. . . . . . . . . . . 12
⊢ (𝜑 → ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∈
Fin) |
| 120 | 119 | olcd 888 |
. . . . . . . . . . 11
⊢ (𝜑 → (((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ⊆
(ℤ≥‘𝐶) ∨ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∈
Fin)) |
| 121 | | sumz 15881 |
. . . . . . . . . . 11
⊢
((((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ⊆
(ℤ≥‘𝐶) ∨ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∈ Fin) →
Σ𝑗 ∈ ((1...((2
· 𝑘) − 1))
∩ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})0 = 0) |
| 122 | 120, 121 | syl 18 |
. . . . . . . . . 10
⊢ (𝜑 → Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})0 = 0) |
| 123 | 115, 122 | eqtrd 2796 |
. . . . . . . . 9
⊢ (𝜑 → Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) = 0) |
| 124 | 123 | adantr 486 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) = 0) |
| 125 | 124 | oveq2d 7434 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗)) = (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + 0)) |
| 126 | | fzfi 14108 |
. . . . . . . . . . . 12
⊢ (1...((2
· 𝑘) − 1))
∈ Fin |
| 127 | | difss 4083 |
. . . . . . . . . . . 12
⊢ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ⊆ (1...((2 · 𝑘) − 1)) |
| 128 | | ssfi 9181 |
. . . . . . . . . . . 12
⊢
(((1...((2 · 𝑘) − 1)) ∈ Fin ∧ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ⊆ (1...((2 · 𝑘) − 1))) → ((1...((2 ·
𝑘) − 1)) ∖
{𝑛 ∈ ℕ ∣
(𝑛 / 2) ∈ ℕ})
∈ Fin) |
| 129 | 126, 127,
128 | mp2an 705 |
. . . . . . . . . . 11
⊢ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ}) ∈ Fin |
| 130 | 129 | a1i 11 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((1...((2 ·
𝑘) − 1)) ∖
{𝑛 ∈ ℕ ∣
(𝑛 / 2) ∈ ℕ})
∈ Fin) |
| 131 | 127 | sseli 3927 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈ (1...((2 ·
𝑘) −
1))) |
| 132 | 131, 91 | sylan2 605 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑗) ∈ ℂ) |
| 133 | 132 | adantlr 728 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑗) ∈ ℂ) |
| 134 | 130, 133 | fsumcl 15892 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) ∈ ℂ) |
| 135 | 134 | addridd 11503 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + 0) = Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗)) |
| 136 | | fveq2 6883 |
. . . . . . . . 9
⊢ (𝑗 = 𝑖 → (𝐹‘𝑗) = (𝐹‘𝑖)) |
| 137 | 136 | cbvsumv 15856 |
. . . . . . . 8
⊢
Σ𝑗 ∈
((1...((2 · 𝑘)
− 1)) ∖ {𝑛
∈ ℕ ∣ (𝑛 /
2) ∈ ℕ})(𝐹‘𝑗) = Σ𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑖) |
| 138 | 135, 137 | eqtrdi 2812 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + 0) = Σ𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑖)) |
| 139 | 125, 138 | eqtrd 2796 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗) + Σ𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∩ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑗)) = Σ𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑖)) |
| 140 | | fveq2 6883 |
. . . . . . 7
⊢ (𝑖 = ((2 · 𝑗) − 1) → (𝐹‘𝑖) = (𝐹‘((2 · 𝑗) − 1))) |
| 141 | | fzfid 14109 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (1...𝑘) ∈ Fin) |
| 142 | | 1zzd 12720 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 1 ∈ ℤ) |
| 143 | 65 | adantr 486 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ((2 · 𝑘) − 1) ∈ ℤ) |
| 144 | 30 | a1i 11 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → 2 ∈ ℤ) |
| 145 | | elfzelz 13649 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → 𝑖 ∈ ℤ) |
| 146 | 144, 145 | zmulcld 12802 |
. . . . . . . . . . . . . . 15
⊢ (𝑖 ∈ (1...𝑘) → (2 · 𝑖) ∈ ℤ) |
| 147 | | 1zzd 12720 |
. . . . . . . . . . . . . . 15
⊢ (𝑖 ∈ (1...𝑘) → 1 ∈ ℤ) |
| 148 | 146, 147 | zsubcld 12801 |
. . . . . . . . . . . . . 14
⊢ (𝑖 ∈ (1...𝑘) → ((2 · 𝑖) − 1) ∈ ℤ) |
| 149 | 148 | adantl 487 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ((2 · 𝑖) − 1) ∈ ℤ) |
| 150 | 25, 26 | eqtr2i 2785 |
. . . . . . . . . . . . . . 15
⊢ 1 = ((2
· 1) − 1) |
| 151 | | 1re 11301 |
. . . . . . . . . . . . . . . . . 18
⊢ 1 ∈
ℝ |
| 152 | 38, 151 | remulcli 11318 |
. . . . . . . . . . . . . . . . 17
⊢ (2
· 1) ∈ ℝ |
| 153 | 152 | a1i 11 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → (2 · 1) ∈
ℝ) |
| 154 | 146 | zred 12796 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → (2 · 𝑖) ∈ ℝ) |
| 155 | | 1red 11302 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → 1 ∈ ℝ) |
| 156 | 145 | zred 12796 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → 𝑖 ∈ ℝ) |
| 157 | 38 | a1i 11 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → 2 ∈ ℝ) |
| 158 | | 0le2 12438 |
. . . . . . . . . . . . . . . . . 18
⊢ 0 ≤
2 |
| 159 | 158 | a1i 11 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → 0 ≤ 2) |
| 160 | | elfzle1 13653 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → 1 ≤ 𝑖) |
| 161 | 155, 156,
157, 159, 160 | lemul2ad 12250 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → (2 · 1) ≤ (2 ·
𝑖)) |
| 162 | 153, 154,
155, 161 | lesub1dd 11925 |
. . . . . . . . . . . . . . 15
⊢ (𝑖 ∈ (1...𝑘) → ((2 · 1) − 1) ≤ ((2
· 𝑖) −
1)) |
| 163 | 150, 162 | eqbrtrid 5140 |
. . . . . . . . . . . . . 14
⊢ (𝑖 ∈ (1...𝑘) → 1 ≤ ((2 · 𝑖) − 1)) |
| 164 | 163 | adantl 487 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 1 ≤ ((2 · 𝑖) − 1)) |
| 165 | 154 | adantl 487 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → (2 · 𝑖) ∈ ℝ) |
| 166 | 41 | adantr 486 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → (2 · 𝑘) ∈ ℝ) |
| 167 | | 1red 11302 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 1 ∈ ℝ) |
| 168 | 156 | adantl 487 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 𝑖 ∈ ℝ) |
| 169 | 40 | adantr 486 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 𝑘 ∈ ℝ) |
| 170 | 38 | a1i 11 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 2 ∈ ℝ) |
| 171 | 158 | a1i 11 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 0 ≤ 2) |
| 172 | | elfzle2 13654 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → 𝑖 ≤ 𝑘) |
| 173 | 172 | adantl 487 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → 𝑖 ≤ 𝑘) |
| 174 | 168, 169,
170, 171, 173 | lemul2ad 12250 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → (2 · 𝑖) ≤ (2 · 𝑘)) |
| 175 | 165, 166,
167, 174 | lesub1dd 11925 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ((2 · 𝑖) − 1) ≤ ((2 · 𝑘) − 1)) |
| 176 | 142, 143,
149, 164, 175 | elfzd 13640 |
. . . . . . . . . . . 12
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ((2 · 𝑖) − 1) ∈ (1...((2 · 𝑘) − 1))) |
| 177 | 146 | zcnd 12797 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → (2 · 𝑖) ∈ ℂ) |
| 178 | | 1cnd 11295 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → 1 ∈ ℂ) |
| 179 | | 2cnd 12414 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → 2 ∈ ℂ) |
| 180 | | 2ne0 12442 |
. . . . . . . . . . . . . . . . . . 19
⊢ 2 ≠
0 |
| 181 | 180 | a1i 11 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → 2 ≠ 0) |
| 182 | 177, 178,
179, 181 | divsubdird 12125 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → (((2 · 𝑖) − 1) / 2) = (((2 · 𝑖) / 2) − (1 /
2))) |
| 183 | 145 | zcnd 12797 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 ∈ (1...𝑘) → 𝑖 ∈ ℂ) |
| 184 | 183, 179,
181 | divcan3d 12091 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → ((2 · 𝑖) / 2) = 𝑖) |
| 185 | 184 | oveq1d 7433 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → (((2 · 𝑖) / 2) − (1 / 2)) = (𝑖 − (1 / 2))) |
| 186 | 182, 185 | eqtrd 2796 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → (((2 · 𝑖) − 1) / 2) = (𝑖 − (1 / 2))) |
| 187 | 145, 147 | zsubcld 12801 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → (𝑖 − 1) ∈ ℤ) |
| 188 | 157, 181 | rereccld 12137 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 ∈ (1...𝑘) → (1 / 2) ∈
ℝ) |
| 189 | | halflt1 12556 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (1 / 2)
< 1 |
| 190 | 189 | a1i 11 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 ∈ (1...𝑘) → (1 / 2) < 1) |
| 191 | 188, 155,
156, 190 | ltsub2dd 11922 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → (𝑖 − 1) < (𝑖 − (1 / 2))) |
| 192 | | 2rp 13118 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ 2 ∈
ℝ+ |
| 193 | | rpreccl 13141 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (2 ∈
ℝ+ → (1 / 2) ∈ ℝ+) |
| 194 | 192, 193 | mp1i 14 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑖 ∈ (1...𝑘) → (1 / 2) ∈
ℝ+) |
| 195 | 156, 194 | ltsubrpd 13189 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 ∈ (1...𝑘) → (𝑖 − (1 / 2)) < 𝑖) |
| 196 | 183, 178 | npcand 11666 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 ∈ (1...𝑘) → ((𝑖 − 1) + 1) = 𝑖) |
| 197 | 195, 196 | breqtrrd 5133 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 ∈ (1...𝑘) → (𝑖 − (1 / 2)) < ((𝑖 − 1) + 1)) |
| 198 | | btwnnz 12768 |
. . . . . . . . . . . . . . . . . 18
⊢ (((𝑖 − 1) ∈ ℤ ∧
(𝑖 − 1) < (𝑖 − (1 / 2)) ∧ (𝑖 − (1 / 2)) < ((𝑖 − 1) + 1)) → ¬
(𝑖 − (1 / 2)) ∈
ℤ) |
| 199 | 187, 191,
197, 198 | syl3anc 1398 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 ∈ (1...𝑘) → ¬ (𝑖 − (1 / 2)) ∈
ℤ) |
| 200 | | nnz 12707 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑖 − (1 / 2)) ∈ ℕ
→ (𝑖 − (1 / 2))
∈ ℤ) |
| 201 | 199, 200 | nsyl 141 |
. . . . . . . . . . . . . . . 16
⊢ (𝑖 ∈ (1...𝑘) → ¬ (𝑖 − (1 / 2)) ∈
ℕ) |
| 202 | 186, 201 | eqneltrd 2881 |
. . . . . . . . . . . . . . 15
⊢ (𝑖 ∈ (1...𝑘) → ¬ (((2 · 𝑖) − 1) / 2) ∈
ℕ) |
| 203 | 202 | intnand 494 |
. . . . . . . . . . . . . 14
⊢ (𝑖 ∈ (1...𝑘) → ¬ (((2 · 𝑖) − 1) ∈ ℕ
∧ (((2 · 𝑖)
− 1) / 2) ∈ ℕ)) |
| 204 | | oveq1 7425 |
. . . . . . . . . . . . . . . 16
⊢ (𝑛 = ((2 · 𝑖) − 1) → (𝑛 / 2) = (((2 · 𝑖) − 1) /
2)) |
| 205 | 204 | eleq1d 2846 |
. . . . . . . . . . . . . . 15
⊢ (𝑛 = ((2 · 𝑖) − 1) → ((𝑛 / 2) ∈ ℕ ↔ (((2
· 𝑖) − 1) / 2)
∈ ℕ)) |
| 206 | 205 | elrab 3645 |
. . . . . . . . . . . . . 14
⊢ (((2
· 𝑖) − 1)
∈ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ} ↔ (((2 · 𝑖) − 1) ∈ ℕ ∧ (((2
· 𝑖) − 1) / 2)
∈ ℕ)) |
| 207 | 203, 206 | sylnibr 332 |
. . . . . . . . . . . . 13
⊢ (𝑖 ∈ (1...𝑘) → ¬ ((2 · 𝑖) − 1) ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}) |
| 208 | 207 | adantl 487 |
. . . . . . . . . . . 12
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ¬ ((2 · 𝑖) − 1) ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}) |
| 209 | 176, 208 | eldifd 3910 |
. . . . . . . . . . 11
⊢ ((𝑘 ∈ ℕ ∧ 𝑖 ∈ (1...𝑘)) → ((2 · 𝑖) − 1) ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ})) |
| 210 | 209 | fmpttd 7113 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)⟶((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ})) |
| 211 | | oveq2 7426 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑖 = 𝑥 → (2 · 𝑖) = (2 · 𝑥)) |
| 212 | 211 | oveq1d 7433 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 = 𝑥 → ((2 · 𝑖) − 1) = ((2 · 𝑥) − 1)) |
| 213 | | eqidd 2762 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈ (1...𝑘) → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)) = (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))) |
| 214 | | id 23 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈ (1...𝑘) → 𝑥 ∈ (1...𝑘)) |
| 215 | | ovexd 7453 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈ (1...𝑘) → ((2 · 𝑥) − 1) ∈ V) |
| 216 | 212, 213,
214, 215 | fvmptd4 7016 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 ∈ (1...𝑘) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((2 · 𝑥) − 1)) |
| 217 | 216 | eqcomd 2767 |
. . . . . . . . . . . . . . . 16
⊢ (𝑥 ∈ (1...𝑘) → ((2 · 𝑥) − 1) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥)) |
| 218 | 217 | ad2antrr 739 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → ((2 · 𝑥) − 1) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥)) |
| 219 | | simpr 490 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) |
| 220 | | oveq2 7426 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 = 𝑦 → (2 · 𝑖) = (2 · 𝑦)) |
| 221 | 220 | oveq1d 7433 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 = 𝑦 → ((2 · 𝑖) − 1) = ((2 · 𝑦) − 1)) |
| 222 | | eqidd 2762 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 ∈ (1...𝑘) → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)) = (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))) |
| 223 | | id 23 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 ∈ (1...𝑘) → 𝑦 ∈ (1...𝑘)) |
| 224 | | ovexd 7453 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 ∈ (1...𝑘) → ((2 · 𝑦) − 1) ∈ V) |
| 225 | 221, 222,
223, 224 | fvmptd4 7016 |
. . . . . . . . . . . . . . . 16
⊢ (𝑦 ∈ (1...𝑘) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦) = ((2 · 𝑦) − 1)) |
| 226 | 225 | ad2antlr 740 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦) = ((2 · 𝑦) − 1)) |
| 227 | 218, 219,
226 | 3eqtrd 2800 |
. . . . . . . . . . . . . 14
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) |
| 228 | | 2cnd 12414 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈ (1...𝑘) → 2 ∈ ℂ) |
| 229 | | elfzelz 13649 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑥 ∈ (1...𝑘) → 𝑥 ∈ ℤ) |
| 230 | 229 | zcnd 12797 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑥 ∈ (1...𝑘) → 𝑥 ∈ ℂ) |
| 231 | 228, 230 | mulcld 11322 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 ∈ (1...𝑘) → (2 · 𝑥) ∈ ℂ) |
| 232 | 231 | ad2antrr 739 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → (2 ·
𝑥) ∈
ℂ) |
| 233 | | 2cnd 12414 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑦 ∈ (1...𝑘) → 2 ∈ ℂ) |
| 234 | | elfzelz 13649 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑦 ∈ (1...𝑘) → 𝑦 ∈ ℤ) |
| 235 | 234 | zcnd 12797 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑦 ∈ (1...𝑘) → 𝑦 ∈ ℂ) |
| 236 | 233, 235 | mulcld 11322 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 ∈ (1...𝑘) → (2 · 𝑦) ∈ ℂ) |
| 237 | 236 | ad2antlr 740 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → (2 ·
𝑦) ∈
ℂ) |
| 238 | | 1cnd 11295 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → 1 ∈
ℂ) |
| 239 | | simpr 490 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → ((2
· 𝑥) − 1) =
((2 · 𝑦) −
1)) |
| 240 | 232, 237,
238, 239 | subcan2d 11704 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → (2 ·
𝑥) = (2 · 𝑦)) |
| 241 | 230 | ad2antrr 739 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → 𝑥 ∈ ℂ) |
| 242 | 235 | ad2antlr 740 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → 𝑦 ∈ ℂ) |
| 243 | | 2cnd 12414 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → 2 ∈ ℂ) |
| 244 | 180 | a1i 11 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → 2 ≠ 0) |
| 245 | | simpr 490 |
. . . . . . . . . . . . . . . 16
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → (2 · 𝑥) = (2 · 𝑦)) |
| 246 | 241, 242,
243, 244, 245 | mulcanad 11944 |
. . . . . . . . . . . . . . 15
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ (2 · 𝑥) = (2 · 𝑦)) → 𝑥 = 𝑦) |
| 247 | 240, 246 | syldan 603 |
. . . . . . . . . . . . . 14
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((2 · 𝑥) − 1) = ((2 · 𝑦) − 1)) → 𝑥 = 𝑦) |
| 248 | 227, 247 | syldan 603 |
. . . . . . . . . . . . 13
⊢ (((𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘)) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → 𝑥 = 𝑦) |
| 249 | 248 | adantll 727 |
. . . . . . . . . . . 12
⊢ (((𝑘 ∈ ℕ ∧ (𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘))) ∧ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦)) → 𝑥 = 𝑦) |
| 250 | 249 | ex 418 |
. . . . . . . . . . 11
⊢ ((𝑘 ∈ ℕ ∧ (𝑥 ∈ (1...𝑘) ∧ 𝑦 ∈ (1...𝑘))) → (((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦) → 𝑥 = 𝑦)) |
| 251 | 250 | ralrimivva 3206 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ →
∀𝑥 ∈ (1...𝑘)∀𝑦 ∈ (1...𝑘)(((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦) → 𝑥 = 𝑦)) |
| 252 | | dff13 7256 |
. . . . . . . . . 10
⊢ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ↔ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)⟶((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
∀𝑥 ∈ (1...𝑘)∀𝑦 ∈ (1...𝑘)(((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑥) = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑦) → 𝑥 = 𝑦))) |
| 253 | 210, 251,
252 | sylanbrc 595 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 254 | | 1zzd 12720 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → 1
∈ ℤ) |
| 255 | 32 | adantr 486 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
𝑘 ∈
ℤ) |
| 256 | 131 | elfzelzd 13650 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈
ℤ) |
| 257 | | zeo 12778 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ ℤ → ((𝑗 / 2) ∈ ℤ ∨
((𝑗 + 1) / 2) ∈
ℤ)) |
| 258 | 256, 257 | syl 18 |
. . . . . . . . . . . . . . . 16
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
((𝑗 / 2) ∈ ℤ
∨ ((𝑗 + 1) / 2) ∈
ℤ)) |
| 259 | 258 | adantl 487 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
((𝑗 / 2) ∈ ℤ
∨ ((𝑗 + 1) / 2) ∈
ℤ)) |
| 260 | | eldifn 4079 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
¬ 𝑗 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}) |
| 261 | | oveq1 7425 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑛 = 𝑗 → (𝑛 / 2) = (𝑗 / 2)) |
| 262 | 261 | eleq1d 2846 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑛 = 𝑗 → ((𝑛 / 2) ∈ ℕ ↔ (𝑗 / 2) ∈
ℕ)) |
| 263 | 131, 89 | syl 18 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈
ℕ) |
| 264 | 263 | adantr 486 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 𝑗 ∈
ℕ) |
| 265 | | simpr 490 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ (𝑗 / 2) ∈
ℤ) |
| 266 | 264 | nnred 12343 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 𝑗 ∈
ℝ) |
| 267 | 38 | a1i 11 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 2 ∈ ℝ) |
| 268 | 264 | nngt0d 12380 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 0 < 𝑗) |
| 269 | | 2pos 12440 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ 0 <
2 |
| 270 | 269 | a1i 11 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 0 < 2) |
| 271 | 266, 267,
268, 270 | divgt0d 12245 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 0 < (𝑗 /
2)) |
| 272 | | elnnz 12696 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑗 / 2) ∈ ℕ ↔
((𝑗 / 2) ∈ ℤ
∧ 0 < (𝑗 /
2))) |
| 273 | 265, 271,
272 | sylanbrc 595 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ (𝑗 / 2) ∈
ℕ) |
| 274 | 262, 264,
273 | elrabd 3647 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
(𝑗 / 2) ∈ ℤ)
→ 𝑗 ∈ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}) |
| 275 | 260, 274 | mtand 828 |
. . . . . . . . . . . . . . . 16
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
¬ (𝑗 / 2) ∈
ℤ) |
| 276 | 275 | adantl 487 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
¬ (𝑗 / 2) ∈
ℤ) |
| 277 | 259, 276 | orcnd 892 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
((𝑗 + 1) / 2) ∈
ℤ) |
| 278 | | 1p1e2 12459 |
. . . . . . . . . . . . . . . . . . 19
⊢ (1 + 1) =
2 |
| 279 | 278 | oveq1i 7428 |
. . . . . . . . . . . . . . . . . 18
⊢ ((1 + 1)
/ 2) = (2 / 2) |
| 280 | | 2div2e1 12476 |
. . . . . . . . . . . . . . . . . 18
⊢ (2 / 2) =
1 |
| 281 | 279, 280 | eqtr2i 2785 |
. . . . . . . . . . . . . . . . 17
⊢ 1 = ((1 +
1) / 2) |
| 282 | | 1red 11302 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 1 ∈
ℝ) |
| 283 | 282, 282 | readdcld 11331 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → (1 + 1)
∈ ℝ) |
| 284 | 89 | nnred 12343 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 𝑗 ∈
ℝ) |
| 285 | 284, 282 | readdcld 11331 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → (𝑗 + 1) ∈
ℝ) |
| 286 | 192 | a1i 11 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 2 ∈
ℝ+) |
| 287 | | elfzle1 13653 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 1 ≤
𝑗) |
| 288 | 282, 284,
282, 287 | leadd1dd 11923 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → (1 + 1)
≤ (𝑗 +
1)) |
| 289 | 283, 285,
286, 288 | lediv1dd 13215 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → ((1 + 1) /
2) ≤ ((𝑗 + 1) /
2)) |
| 290 | 281, 289 | eqbrtrid 5140 |
. . . . . . . . . . . . . . . 16
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 1 ≤
((𝑗 + 1) /
2)) |
| 291 | 131, 290 | syl 18 |
. . . . . . . . . . . . . . 15
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) → 1
≤ ((𝑗 + 1) /
2)) |
| 292 | 291 | adantl 487 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → 1
≤ ((𝑗 + 1) /
2)) |
| 293 | | elfzel2 13647 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → ((2
· 𝑘) − 1)
∈ ℤ) |
| 294 | 293 | zred 12796 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → ((2
· 𝑘) − 1)
∈ ℝ) |
| 295 | 294, 282 | readdcld 11331 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → (((2
· 𝑘) − 1) + 1)
∈ ℝ) |
| 296 | | elfzle2 13654 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → 𝑗 ≤ ((2 · 𝑘) − 1)) |
| 297 | 284, 294,
282, 296 | leadd1dd 11923 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → (𝑗 + 1) ≤ (((2 · 𝑘) − 1) +
1)) |
| 298 | 285, 295,
286, 297 | lediv1dd 13215 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ (1...((2 · 𝑘) − 1)) → ((𝑗 + 1) / 2) ≤ ((((2 ·
𝑘) − 1) + 1) /
2)) |
| 299 | 298 | adantl 487 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → ((𝑗 + 1) / 2) ≤ ((((2 ·
𝑘) − 1) + 1) /
2)) |
| 300 | 50 | adantr 486 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → (2
· 𝑘) ∈
ℂ) |
| 301 | | 1cnd 11295 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → 1 ∈
ℂ) |
| 302 | 300, 301 | npcand 11666 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → (((2
· 𝑘) − 1) + 1)
= (2 · 𝑘)) |
| 303 | 302 | oveq1d 7433 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → ((((2
· 𝑘) − 1) + 1)
/ 2) = ((2 · 𝑘) /
2)) |
| 304 | 180 | a1i 11 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑘 ∈ ℕ → 2 ≠
0) |
| 305 | 44, 43, 304 | divcan3d 12091 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) / 2) = 𝑘) |
| 306 | 305 | adantr 486 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → ((2
· 𝑘) / 2) = 𝑘) |
| 307 | 303, 306 | eqtrd 2796 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → ((((2
· 𝑘) − 1) + 1)
/ 2) = 𝑘) |
| 308 | 299, 307 | breqtrd 5131 |
. . . . . . . . . . . . . . 15
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((2 · 𝑘) − 1))) → ((𝑗 + 1) / 2) ≤ 𝑘) |
| 309 | 131, 308 | sylan2 605 |
. . . . . . . . . . . . . 14
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
((𝑗 + 1) / 2) ≤ 𝑘) |
| 310 | 254, 255,
277, 292, 309 | elfzd 13640 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
((𝑗 + 1) / 2) ∈
(1...𝑘)) |
| 311 | 263 | nncnd 12344 |
. . . . . . . . . . . . . . 15
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 ∈
ℂ) |
| 312 | | peano2cn 11475 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ ℂ → (𝑗 + 1) ∈
ℂ) |
| 313 | | 2cnd 12414 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ ℂ → 2 ∈
ℂ) |
| 314 | 180 | a1i 11 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 ∈ ℂ → 2 ≠
0) |
| 315 | 312, 313,
314 | divcan2d 12088 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 ∈ ℂ → (2
· ((𝑗 + 1) / 2)) =
(𝑗 + 1)) |
| 316 | 315 | oveq1d 7433 |
. . . . . . . . . . . . . . . 16
⊢ (𝑗 ∈ ℂ → ((2
· ((𝑗 + 1) / 2))
− 1) = ((𝑗 + 1)
− 1)) |
| 317 | | pncan1 11733 |
. . . . . . . . . . . . . . . 16
⊢ (𝑗 ∈ ℂ → ((𝑗 + 1) − 1) = 𝑗) |
| 318 | 316, 317 | eqtr2d 2797 |
. . . . . . . . . . . . . . 15
⊢ (𝑗 ∈ ℂ → 𝑗 = ((2 · ((𝑗 + 1) / 2)) −
1)) |
| 319 | 311, 318 | syl 18 |
. . . . . . . . . . . . . 14
⊢ (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) →
𝑗 = ((2 · ((𝑗 + 1) / 2)) −
1)) |
| 320 | 319 | adantl 487 |
. . . . . . . . . . . . 13
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
𝑗 = ((2 · ((𝑗 + 1) / 2)) −
1)) |
| 321 | | oveq2 7426 |
. . . . . . . . . . . . . . 15
⊢ (𝑚 = ((𝑗 + 1) / 2) → (2 · 𝑚) = (2 · ((𝑗 + 1) / 2))) |
| 322 | 321 | oveq1d 7433 |
. . . . . . . . . . . . . 14
⊢ (𝑚 = ((𝑗 + 1) / 2) → ((2 · 𝑚) − 1) = ((2 ·
((𝑗 + 1) / 2)) −
1)) |
| 323 | 322 | rspceeqv 3599 |
. . . . . . . . . . . . 13
⊢ ((((𝑗 + 1) / 2) ∈ (1...𝑘) ∧ 𝑗 = ((2 · ((𝑗 + 1) / 2)) − 1)) → ∃𝑚 ∈ (1...𝑘)𝑗 = ((2 · 𝑚) − 1)) |
| 324 | 310, 320,
323 | syl2anc 596 |
. . . . . . . . . . . 12
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
∃𝑚 ∈ (1...𝑘)𝑗 = ((2 · 𝑚) − 1)) |
| 325 | | oveq2 7426 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑖 = 𝑚 → (2 · 𝑖) = (2 · 𝑚)) |
| 326 | 325 | oveq1d 7433 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑖 = 𝑚 → ((2 · 𝑖) − 1) = ((2 · 𝑚) − 1)) |
| 327 | | eqidd 2762 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)) = (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))) |
| 328 | | simpl 488 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → 𝑚 ∈ (1...𝑘)) |
| 329 | | ovexd 7453 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → ((2 · 𝑚) − 1) ∈
V) |
| 330 | 326, 327,
328, 329 | fvmptd4 7016 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚) = ((2 · 𝑚) − 1)) |
| 331 | | id 23 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑗 = ((2 · 𝑚) − 1) → 𝑗 = ((2 · 𝑚) − 1)) |
| 332 | 331 | eqcomd 2767 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑗 = ((2 · 𝑚) − 1) → ((2 ·
𝑚) − 1) = 𝑗) |
| 333 | 332 | adantl 487 |
. . . . . . . . . . . . . . . 16
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → ((2 · 𝑚) − 1) = 𝑗) |
| 334 | 330, 333 | eqtr2d 2797 |
. . . . . . . . . . . . . . 15
⊢ ((𝑚 ∈ (1...𝑘) ∧ 𝑗 = ((2 · 𝑚) − 1)) → 𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚)) |
| 335 | 334 | ex 418 |
. . . . . . . . . . . . . 14
⊢ (𝑚 ∈ (1...𝑘) → (𝑗 = ((2 · 𝑚) − 1) → 𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚))) |
| 336 | 335 | adantl 487 |
. . . . . . . . . . . . 13
⊢ (((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) ∧
𝑚 ∈ (1...𝑘)) → (𝑗 = ((2 · 𝑚) − 1) → 𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚))) |
| 337 | 336 | reximdva 3176 |
. . . . . . . . . . . 12
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
(∃𝑚 ∈ (1...𝑘)𝑗 = ((2 · 𝑚) − 1) → ∃𝑚 ∈ (1...𝑘)𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚))) |
| 338 | 324, 337 | mpd 16 |
. . . . . . . . . . 11
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) →
∃𝑚 ∈ (1...𝑘)𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚)) |
| 339 | 338 | ralrimiva 3155 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ →
∀𝑗 ∈ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})∃𝑚 ∈
(1...𝑘)𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚)) |
| 340 | | dffo3 7100 |
. . . . . . . . . 10
⊢ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ↔ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)⟶((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧
∀𝑗 ∈ ((1...((2
· 𝑘) − 1))
∖ {𝑛 ∈ ℕ
∣ (𝑛 / 2) ∈
ℕ})∃𝑚 ∈
(1...𝑘)𝑗 = ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑚))) |
| 341 | 210, 339,
340 | sylanbrc 595 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 342 | | df-f1o 6544 |
. . . . . . . . 9
⊢ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1-onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ↔ ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ∧ (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}))) |
| 343 | 253, 341,
342 | sylanbrc 595 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1-onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 344 | 343 | adantl 487 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)):(1...𝑘)–1-1-onto→((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) |
| 345 | | oveq2 7426 |
. . . . . . . . . 10
⊢ (𝑖 = 𝑗 → (2 · 𝑖) = (2 · 𝑗)) |
| 346 | 345 | oveq1d 7433 |
. . . . . . . . 9
⊢ (𝑖 = 𝑗 → ((2 · 𝑖) − 1) = ((2 · 𝑗) − 1)) |
| 347 | | eqidd 2762 |
. . . . . . . . 9
⊢ (𝑗 ∈ (1...𝑘) → (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1)) = (𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))) |
| 348 | | id 23 |
. . . . . . . . 9
⊢ (𝑗 ∈ (1...𝑘) → 𝑗 ∈ (1...𝑘)) |
| 349 | | ovexd 7453 |
. . . . . . . . 9
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 𝑗) − 1) ∈ V) |
| 350 | 346, 347,
348, 349 | fvmptd4 7016 |
. . . . . . . 8
⊢ (𝑗 ∈ (1...𝑘) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑗) = ((2 · 𝑗) − 1)) |
| 351 | 350 | adantl 487 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...𝑘)) → ((𝑖 ∈ (1...𝑘) ↦ ((2 · 𝑖) − 1))‘𝑗) = ((2 · 𝑗) − 1)) |
| 352 | | eleq1w 2844 |
. . . . . . . . . 10
⊢ (𝑗 = 𝑖 → (𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ}) ↔ 𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈
ℕ}))) |
| 353 | 352 | anbi2d 642 |
. . . . . . . . 9
⊢ (𝑗 = 𝑖 → (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) ↔ ((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})))) |
| 354 | 136 | eleq1d 2846 |
. . . . . . . . 9
⊢ (𝑗 = 𝑖 → ((𝐹‘𝑗) ∈ ℂ ↔ (𝐹‘𝑖) ∈ ℂ)) |
| 355 | 353, 354 | imbi12d 347 |
. . . . . . . 8
⊢ (𝑗 = 𝑖 → ((((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑗) ∈ ℂ) ↔ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑖) ∈ ℂ))) |
| 356 | 355, 133 | chvarvv 2022 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})) → (𝐹‘𝑖) ∈ ℂ) |
| 357 | 140, 141,
344, 351, 356 | fsumf1o 15882 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑖 ∈ ((1...((2 · 𝑘) − 1)) ∖ {𝑛 ∈ ℕ ∣ (𝑛 / 2) ∈ ℕ})(𝐹‘𝑖) = Σ𝑗 ∈ (1...𝑘)(𝐹‘((2 · 𝑗) − 1))) |
| 358 | 93, 139, 357 | 3eqtrrd 2801 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...𝑘)(𝐹‘((2 · 𝑗) − 1)) = Σ𝑗 ∈ (1...((2 · 𝑘) − 1))(𝐹‘𝑗)) |
| 359 | | ovex 7451 |
. . . . . . . . . 10
⊢ ((2
· 𝑘) − 1)
∈ V |
| 360 | | fvmpt4 46219 |
. . . . . . . . . 10
⊢ ((𝑘 ∈ ℕ ∧ ((2
· 𝑘) − 1)
∈ V) → ((𝑘 ∈
ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) = ((2 · 𝑘) − 1)) |
| 361 | 359, 360 | mpan2 704 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘) = ((2 ·
𝑘) −
1)) |
| 362 | 361 | oveq2d 7434 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ →
(1...((𝑘 ∈ ℕ
↦ ((2 · 𝑘)
− 1))‘𝑘)) =
(1...((2 · 𝑘)
− 1))) |
| 363 | 362 | eqcomd 2767 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → (1...((2
· 𝑘) − 1)) =
(1...((𝑘 ∈ ℕ
↦ ((2 · 𝑘)
− 1))‘𝑘))) |
| 364 | 363 | sumeq1d 15860 |
. . . . . 6
⊢ (𝑘 ∈ ℕ →
Σ𝑗 ∈ (1...((2
· 𝑘) −
1))(𝐹‘𝑗) = Σ𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))(𝐹‘𝑗)) |
| 365 | 364 | adantl 487 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...((2 · 𝑘) − 1))(𝐹‘𝑗) = Σ𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))(𝐹‘𝑗)) |
| 366 | 358, 365 | eqtrd 2796 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...𝑘)(𝐹‘((2 · 𝑗) − 1)) = Σ𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))(𝐹‘𝑗)) |
| 367 | | elfznn 13680 |
. . . . . 6
⊢ (𝑗 ∈ (1...𝑘) → 𝑗 ∈ ℕ) |
| 368 | 12 | adantr 486 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑘)) → 𝐹:ℕ⟶ℂ) |
| 369 | 30 | a1i 11 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → 2 ∈ ℤ) |
| 370 | | elfzelz 13649 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → 𝑗 ∈ ℤ) |
| 371 | 369, 370 | zmulcld 12802 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → (2 · 𝑗) ∈ ℤ) |
| 372 | | 1zzd 12720 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → 1 ∈ ℤ) |
| 373 | 371, 372 | zsubcld 12801 |
. . . . . . . . . 10
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 𝑗) − 1) ∈ ℤ) |
| 374 | | 0red 11304 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → 0 ∈ ℝ) |
| 375 | 38 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ (1...𝑘) → 2 ∈ ℝ) |
| 376 | 24, 375 | eqeltrid 2865 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → (2 · 1) ∈
ℝ) |
| 377 | | 1red 11302 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → 1 ∈ ℝ) |
| 378 | 376, 377 | resubcld 11737 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 1) − 1) ∈
ℝ) |
| 379 | 373 | zred 12796 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 𝑗) − 1) ∈ ℝ) |
| 380 | | 0lt1 11831 |
. . . . . . . . . . . 12
⊢ 0 <
1 |
| 381 | 150 | a1i 11 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → 1 = ((2 · 1) −
1)) |
| 382 | 380, 381 | breqtrid 5142 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → 0 < ((2 · 1) −
1)) |
| 383 | 371 | zred 12796 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → (2 · 𝑗) ∈ ℝ) |
| 384 | 367 | nnred 12343 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ (1...𝑘) → 𝑗 ∈ ℝ) |
| 385 | 158 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ (1...𝑘) → 0 ≤ 2) |
| 386 | | elfzle1 13653 |
. . . . . . . . . . . . 13
⊢ (𝑗 ∈ (1...𝑘) → 1 ≤ 𝑗) |
| 387 | 377, 384,
375, 385, 386 | lemul2ad 12250 |
. . . . . . . . . . . 12
⊢ (𝑗 ∈ (1...𝑘) → (2 · 1) ≤ (2 ·
𝑗)) |
| 388 | 376, 383,
377, 387 | lesub1dd 11925 |
. . . . . . . . . . 11
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 1) − 1) ≤ ((2
· 𝑗) −
1)) |
| 389 | 374, 378,
379, 382, 388 | ltletrd 11463 |
. . . . . . . . . 10
⊢ (𝑗 ∈ (1...𝑘) → 0 < ((2 · 𝑗) − 1)) |
| 390 | | elnnz 12696 |
. . . . . . . . . 10
⊢ (((2
· 𝑗) − 1)
∈ ℕ ↔ (((2 · 𝑗) − 1) ∈ ℤ ∧ 0 < ((2
· 𝑗) −
1))) |
| 391 | 373, 389,
390 | sylanbrc 595 |
. . . . . . . . 9
⊢ (𝑗 ∈ (1...𝑘) → ((2 · 𝑗) − 1) ∈ ℕ) |
| 392 | 391 | adantl 487 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑘)) → ((2 · 𝑗) − 1) ∈ ℕ) |
| 393 | 368, 392 | ffvelcdmd 7083 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑗 ∈ (1...𝑘)) → (𝐹‘((2 · 𝑗) − 1)) ∈
ℂ) |
| 394 | 393 | adantlr 728 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...𝑘)) → (𝐹‘((2 · 𝑗) − 1)) ∈
ℂ) |
| 395 | 59 | fveq2d 6887 |
. . . . . . . 8
⊢ (𝑘 = 𝑗 → (𝐹‘((2 · 𝑘) − 1)) = (𝐹‘((2 · 𝑗) − 1))) |
| 396 | 395 | cbvmptv 5209 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1))) = (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1))) |
| 397 | 396 | fvmpt2 7003 |
. . . . . 6
⊢ ((𝑗 ∈ ℕ ∧ (𝐹‘((2 · 𝑗) − 1)) ∈ ℂ)
→ ((𝑘 ∈ ℕ
↦ (𝐹‘((2
· 𝑘) −
1)))‘𝑗) = (𝐹‘((2 · 𝑗) − 1))) |
| 398 | 367, 394,
397 | syl2an2 699 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...𝑘)) → ((𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))‘𝑗) = (𝐹‘((2 · 𝑗) − 1))) |
| 399 | | simpr 490 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → 𝑘 ∈ ℕ) |
| 400 | 399, 8 | eleqtrdi 2871 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → 𝑘 ∈
(ℤ≥‘1)) |
| 401 | 398, 400,
394 | fsumser 15889 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...𝑘)(𝐹‘((2 · 𝑗) − 1)) = (seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1))))‘𝑘)) |
| 402 | | eqidd 2762 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) → (𝐹‘𝑗) = (𝐹‘𝑗)) |
| 403 | 152 | a1i 11 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ → (2
· 1) ∈ ℝ) |
| 404 | | 1red 11302 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ → 1 ∈
ℝ) |
| 405 | 158 | a1i 11 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ ℕ → 0 ≤
2) |
| 406 | | nnge1 12359 |
. . . . . . . . . . 11
⊢ (𝑘 ∈ ℕ → 1 ≤
𝑘) |
| 407 | 404, 40, 39, 405, 406 | lemul2ad 12250 |
. . . . . . . . . 10
⊢ (𝑘 ∈ ℕ → (2
· 1) ≤ (2 · 𝑘)) |
| 408 | 403, 41, 404, 407 | lesub1dd 11925 |
. . . . . . . . 9
⊢ (𝑘 ∈ ℕ → ((2
· 1) − 1) ≤ ((2 · 𝑘) − 1)) |
| 409 | 150, 408 | eqbrtrid 5140 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → 1 ≤
((2 · 𝑘) −
1)) |
| 410 | | eluz2 12964 |
. . . . . . . 8
⊢ (((2
· 𝑘) − 1)
∈ (ℤ≥‘1) ↔ (1 ∈ ℤ ∧ ((2
· 𝑘) − 1)
∈ ℤ ∧ 1 ≤ ((2 · 𝑘) − 1))) |
| 411 | 36, 65, 409, 410 | syl3anbrc 1362 |
. . . . . . 7
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) − 1)
∈ (ℤ≥‘1)) |
| 412 | 67, 411 | eqeltrd 2861 |
. . . . . 6
⊢ (𝑘 ∈ ℕ → ((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘) ∈
(ℤ≥‘1)) |
| 413 | 412 | adantl 487 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘) ∈
(ℤ≥‘1)) |
| 414 | | simpll 779 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) → 𝜑) |
| 415 | | simpr 490 |
. . . . . . . 8
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘))) → 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘))) |
| 416 | 362 | adantr 486 |
. . . . . . . 8
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘))) →
(1...((𝑘 ∈ ℕ
↦ ((2 · 𝑘)
− 1))‘𝑘)) =
(1...((2 · 𝑘)
− 1))) |
| 417 | 415, 416 | eleqtrd 2863 |
. . . . . . 7
⊢ ((𝑘 ∈ ℕ ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘))) → 𝑗 ∈ (1...((2 · 𝑘) − 1))) |
| 418 | 417 | adantll 727 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) → 𝑗 ∈ (1...((2 · 𝑘) − 1))) |
| 419 | 414, 418,
91 | syl2anc 596 |
. . . . 5
⊢ (((𝜑 ∧ 𝑘 ∈ ℕ) ∧ 𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) → (𝐹‘𝑗) ∈ ℂ) |
| 420 | 402, 413,
419 | fsumser 15889 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → Σ𝑗 ∈ (1...((𝑘 ∈ ℕ ↦ ((2
· 𝑘) −
1))‘𝑘))(𝐹‘𝑗) = (seq1( + , 𝐹)‘((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) |
| 421 | 366, 401,
420 | 3eqtr3d 2804 |
. . 3
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1))))‘𝑘) = (seq1( + , 𝐹)‘((𝑘 ∈ ℕ ↦ ((2 · 𝑘) − 1))‘𝑘))) |
| 422 | 1, 2, 6, 7, 8, 9, 11, 15, 16, 29, 71, 73, 421 | climsuse 46589 |
. 2
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ 𝐵) |
| 423 | | eqidd 2762 |
. . . 4
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐹‘𝑘) = (𝐹‘𝑘)) |
| 424 | 8, 9, 423, 13 | isum 15878 |
. . 3
⊢ (𝜑 → Σ𝑘 ∈ ℕ (𝐹‘𝑘) = ( ⇝ ‘seq1( + , 𝐹))) |
| 425 | | climrel 15652 |
. . . . . . 7
⊢ Rel
⇝ |
| 426 | 425 | releldmi 5930 |
. . . . . 6
⊢ (seq1( +
, 𝐹) ⇝ 𝐵 → seq1( + , 𝐹) ∈ dom ⇝
) |
| 427 | 16, 426 | syl 18 |
. . . . 5
⊢ (𝜑 → seq1( + , 𝐹) ∈ dom ⇝
) |
| 428 | | climdm 15714 |
. . . . 5
⊢ (seq1( +
, 𝐹) ∈ dom ⇝
↔ seq1( + , 𝐹) ⇝
( ⇝ ‘seq1( + , 𝐹))) |
| 429 | 427, 428 | sylib 221 |
. . . 4
⊢ (𝜑 → seq1( + , 𝐹) ⇝ ( ⇝ ‘seq1(
+ , 𝐹))) |
| 430 | | climuni 15712 |
. . . 4
⊢ ((seq1( +
, 𝐹) ⇝ ( ⇝
‘seq1( + , 𝐹)) ∧
seq1( + , 𝐹) ⇝ 𝐵) → ( ⇝ ‘seq1(
+ , 𝐹)) = 𝐵) |
| 431 | 429, 16, 430 | syl2anc 596 |
. . 3
⊢ (𝜑 → ( ⇝ ‘seq1( + ,
𝐹)) = 𝐵) |
| 432 | 425 | a1i 11 |
. . . . . . . 8
⊢ (𝜑 → Rel ⇝
) |
| 433 | | releldm 5926 |
. . . . . . . 8
⊢ ((Rel
⇝ ∧ seq1( + , (𝑘
∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ 𝐵) → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ∈ dom ⇝
) |
| 434 | 432, 422,
433 | syl2anc 596 |
. . . . . . 7
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ∈ dom
⇝ ) |
| 435 | | climdm 15714 |
. . . . . . 7
⊢ (seq1( +
, (𝑘 ∈ ℕ ↦
(𝐹‘((2 · 𝑘) − 1)))) ∈ dom
⇝ ↔ seq1( + , (𝑘
∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ ( ⇝
‘seq1( + , (𝑘 ∈
ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))))) |
| 436 | 434, 435 | sylib 221 |
. . . . . 6
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ (
⇝ ‘seq1( + , (𝑘
∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))))) |
| 437 | 396 | a1i 11 |
. . . . . . . 8
⊢ (𝜑 → (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1))) = (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))) |
| 438 | 437 | seqeq3d 14145 |
. . . . . . 7
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) = seq1( + ,
(𝑗 ∈ ℕ ↦
(𝐹‘((2 · 𝑗) −
1))))) |
| 439 | 438 | fveq2d 6887 |
. . . . . 6
⊢ (𝜑 → ( ⇝ ‘seq1( + ,
(𝑘 ∈ ℕ ↦
(𝐹‘((2 · 𝑘) − 1))))) = ( ⇝
‘seq1( + , (𝑗 ∈
ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))))) |
| 440 | 436, 439 | breqtrd 5131 |
. . . . 5
⊢ (𝜑 → seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ (
⇝ ‘seq1( + , (𝑗
∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))))) |
| 441 | | climuni 15712 |
. . . . 5
⊢ ((seq1( +
, (𝑘 ∈ ℕ ↦
(𝐹‘((2 · 𝑘) − 1)))) ⇝ 𝐵 ∧ seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ (
⇝ ‘seq1( + , (𝑗
∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))))) → 𝐵 = ( ⇝ ‘seq1( + , (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) −
1)))))) |
| 442 | 422, 440,
441 | syl2anc 596 |
. . . 4
⊢ (𝜑 → 𝐵 = ( ⇝ ‘seq1( + , (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) −
1)))))) |
| 443 | | eqcom 2768 |
. . . . . . 7
⊢ (𝑘 = 𝑗 ↔ 𝑗 = 𝑘) |
| 444 | | eqcom 2768 |
. . . . . . 7
⊢ ((𝐹‘((2 · 𝑘) − 1)) = (𝐹‘((2 · 𝑗) − 1)) ↔ (𝐹‘((2 · 𝑗) − 1)) = (𝐹‘((2 · 𝑘) − 1))) |
| 445 | 395, 443,
444 | 3imtr3i 294 |
. . . . . 6
⊢ (𝑗 = 𝑘 → (𝐹‘((2 · 𝑗) − 1)) = (𝐹‘((2 · 𝑘) − 1))) |
| 446 | | eqidd 2762 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1))) = (𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))) |
| 447 | 12 | adantr 486 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → 𝐹:ℕ⟶ℂ) |
| 448 | 8, 36, 65, 409 | eluzd 46388 |
. . . . . . . 8
⊢ (𝑘 ∈ ℕ → ((2
· 𝑘) − 1)
∈ ℕ) |
| 449 | 448 | adantl 487 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((2 · 𝑘) − 1) ∈
ℕ) |
| 450 | 447, 449 | ffvelcdmd 7083 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → (𝐹‘((2 · 𝑘) − 1)) ∈
ℂ) |
| 451 | 445, 446,
399, 450 | fvmptd4 7016 |
. . . . 5
⊢ ((𝜑 ∧ 𝑘 ∈ ℕ) → ((𝑗 ∈ ℕ ↦ (𝐹‘((2 · 𝑗) − 1)))‘𝑘) = (𝐹‘((2 · 𝑘) − 1))) |
| 452 | 8, 9, 451, 450 | isum 15878 |
. . . 4
⊢ (𝜑 → Σ𝑘 ∈ ℕ (𝐹‘((2 · 𝑘) − 1)) = ( ⇝ ‘seq1( + ,
(𝑗 ∈ ℕ ↦
(𝐹‘((2 · 𝑗) −
1)))))) |
| 453 | 442, 452 | eqtr4d 2799 |
. . 3
⊢ (𝜑 → 𝐵 = Σ𝑘 ∈ ℕ (𝐹‘((2 · 𝑘) − 1))) |
| 454 | 424, 431,
453 | 3eqtrd 2800 |
. 2
⊢ (𝜑 → Σ𝑘 ∈ ℕ (𝐹‘𝑘) = Σ𝑘 ∈ ℕ (𝐹‘((2 · 𝑘) − 1))) |
| 455 | 422, 454 | jca 521 |
1
⊢ (𝜑 → (seq1( + , (𝑘 ∈ ℕ ↦ (𝐹‘((2 · 𝑘) − 1)))) ⇝ 𝐵 ∧ Σ𝑘 ∈ ℕ (𝐹‘𝑘) = Σ𝑘 ∈ ℕ (𝐹‘((2 · 𝑘) − 1)))) |