| Step | Hyp | Ref
| Expression |
| 1 | | nnz 9345 |
. . . . 5
⊢ (𝑁 ∈ ℕ → 𝑁 ∈
ℤ) |
| 2 | | odd2np1 12038 |
. . . . 5
⊢ (𝑁 ∈ ℤ → (¬ 2
∥ 𝑁 ↔
∃𝑛 ∈ ℤ ((2
· 𝑛) + 1) = 𝑁)) |
| 3 | 1, 2 | syl 14 |
. . . 4
⊢ (𝑁 ∈ ℕ → (¬ 2
∥ 𝑁 ↔
∃𝑛 ∈ ℤ ((2
· 𝑛) + 1) = 𝑁)) |
| 4 | 3 | biimpa 296 |
. . 3
⊢ ((𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) →
∃𝑛 ∈ ℤ ((2
· 𝑛) + 1) = 𝑁) |
| 5 | 4 | 3adant1 1017 |
. 2
⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) →
∃𝑛 ∈ ℤ ((2
· 𝑛) + 1) = 𝑁) |
| 6 | | simpl1 1002 |
. . . . . 6
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝐴 ∈ ℂ) |
| 7 | | simprr 531 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((2 · 𝑛) + 1) = 𝑁) |
| 8 | | simpl2 1003 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝑁 ∈ ℕ) |
| 9 | 8 | nncnd 9004 |
. . . . . . . . 9
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝑁 ∈ ℂ) |
| 10 | | 1cnd 8042 |
. . . . . . . . 9
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 1 ∈
ℂ) |
| 11 | | 2z 9354 |
. . . . . . . . . . 11
⊢ 2 ∈
ℤ |
| 12 | | simprl 529 |
. . . . . . . . . . 11
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝑛 ∈ ℤ) |
| 13 | | zmulcl 9379 |
. . . . . . . . . . 11
⊢ ((2
∈ ℤ ∧ 𝑛
∈ ℤ) → (2 · 𝑛) ∈ ℤ) |
| 14 | 11, 12, 13 | sylancr 414 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (2 · 𝑛) ∈
ℤ) |
| 15 | 14 | zcnd 9449 |
. . . . . . . . 9
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (2 · 𝑛) ∈
ℂ) |
| 16 | 9, 10, 15 | subadd2d 8356 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((𝑁 − 1) = (2 · 𝑛) ↔ ((2 · 𝑛) + 1) = 𝑁)) |
| 17 | 7, 16 | mpbird 167 |
. . . . . . 7
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝑁 − 1) = (2 · 𝑛)) |
| 18 | | nnm1nn0 9290 |
. . . . . . . 8
⊢ (𝑁 ∈ ℕ → (𝑁 − 1) ∈
ℕ0) |
| 19 | 8, 18 | syl 14 |
. . . . . . 7
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝑁 − 1) ∈
ℕ0) |
| 20 | 17, 19 | eqeltrrd 2274 |
. . . . . 6
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (2 · 𝑛) ∈
ℕ0) |
| 21 | 6, 20 | expcld 10765 |
. . . . 5
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝐴↑(2 · 𝑛)) ∈ ℂ) |
| 22 | 21, 6 | mulneg2d 8438 |
. . . 4
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((𝐴↑(2 · 𝑛)) · -𝐴) = -((𝐴↑(2 · 𝑛)) · 𝐴)) |
| 23 | | sqneg 10690 |
. . . . . . . . 9
⊢ (𝐴 ∈ ℂ → (-𝐴↑2) = (𝐴↑2)) |
| 24 | 6, 23 | syl 14 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑2) = (𝐴↑2)) |
| 25 | 24 | oveq1d 5937 |
. . . . . . 7
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((-𝐴↑2)↑𝑛) = ((𝐴↑2)↑𝑛)) |
| 26 | 6 | negcld 8324 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → -𝐴 ∈ ℂ) |
| 27 | | 2re 9060 |
. . . . . . . . . . 11
⊢ 2 ∈
ℝ |
| 28 | 27 | a1i 9 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 2 ∈
ℝ) |
| 29 | 12 | zred 9448 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝑛 ∈ ℝ) |
| 30 | | 2pos 9081 |
. . . . . . . . . . 11
⊢ 0 <
2 |
| 31 | 30 | a1i 9 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 0 <
2) |
| 32 | 20 | nn0ge0d 9305 |
. . . . . . . . . 10
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 0 ≤ (2 ·
𝑛)) |
| 33 | | prodge0 8881 |
. . . . . . . . . 10
⊢ (((2
∈ ℝ ∧ 𝑛
∈ ℝ) ∧ (0 < 2 ∧ 0 ≤ (2 · 𝑛))) → 0 ≤ 𝑛) |
| 34 | 28, 29, 31, 32, 33 | syl22anc 1250 |
. . . . . . . . 9
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 0 ≤ 𝑛) |
| 35 | | elnn0z 9339 |
. . . . . . . . 9
⊢ (𝑛 ∈ ℕ0
↔ (𝑛 ∈ ℤ
∧ 0 ≤ 𝑛)) |
| 36 | 12, 34, 35 | sylanbrc 417 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 𝑛 ∈ ℕ0) |
| 37 | | 2nn0 9266 |
. . . . . . . . 9
⊢ 2 ∈
ℕ0 |
| 38 | 37 | a1i 9 |
. . . . . . . 8
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → 2 ∈
ℕ0) |
| 39 | 26, 36, 38 | expmuld 10768 |
. . . . . . 7
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑(2 · 𝑛)) = ((-𝐴↑2)↑𝑛)) |
| 40 | 6, 36, 38 | expmuld 10768 |
. . . . . . 7
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝐴↑(2 · 𝑛)) = ((𝐴↑2)↑𝑛)) |
| 41 | 25, 39, 40 | 3eqtr4d 2239 |
. . . . . 6
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑(2 · 𝑛)) = (𝐴↑(2 · 𝑛))) |
| 42 | 41 | oveq1d 5937 |
. . . . 5
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((-𝐴↑(2 · 𝑛)) · -𝐴) = ((𝐴↑(2 · 𝑛)) · -𝐴)) |
| 43 | 26, 20 | expp1d 10766 |
. . . . . 6
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑((2 · 𝑛) + 1)) = ((-𝐴↑(2 · 𝑛)) · -𝐴)) |
| 44 | 7 | oveq2d 5938 |
. . . . . 6
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑((2 · 𝑛) + 1)) = (-𝐴↑𝑁)) |
| 45 | 43, 44 | eqtr3d 2231 |
. . . . 5
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((-𝐴↑(2 · 𝑛)) · -𝐴) = (-𝐴↑𝑁)) |
| 46 | 42, 45 | eqtr3d 2231 |
. . . 4
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((𝐴↑(2 · 𝑛)) · -𝐴) = (-𝐴↑𝑁)) |
| 47 | 22, 46 | eqtr3d 2231 |
. . 3
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → -((𝐴↑(2 · 𝑛)) · 𝐴) = (-𝐴↑𝑁)) |
| 48 | 6, 20 | expp1d 10766 |
. . . . 5
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝐴↑((2 · 𝑛) + 1)) = ((𝐴↑(2 · 𝑛)) · 𝐴)) |
| 49 | 7 | oveq2d 5938 |
. . . . 5
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (𝐴↑((2 · 𝑛) + 1)) = (𝐴↑𝑁)) |
| 50 | 48, 49 | eqtr3d 2231 |
. . . 4
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → ((𝐴↑(2 · 𝑛)) · 𝐴) = (𝐴↑𝑁)) |
| 51 | 50 | negeqd 8221 |
. . 3
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → -((𝐴↑(2 · 𝑛)) · 𝐴) = -(𝐴↑𝑁)) |
| 52 | 47, 51 | eqtr3d 2231 |
. 2
⊢ (((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) ∧ (𝑛 ∈ ℤ ∧ ((2
· 𝑛) + 1) = 𝑁)) → (-𝐴↑𝑁) = -(𝐴↑𝑁)) |
| 53 | 5, 52 | rexlimddv 2619 |
1
⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ ∧ ¬ 2
∥ 𝑁) → (-𝐴↑𝑁) = -(𝐴↑𝑁)) |