Proof of Theorem efif1olem4
| Step | Hyp | Ref
| Expression |
| 1 | | efif1olem4.3 |
. . . . . 6
⊢ (𝜑 → 𝐷 ⊆ ℝ) |
| 2 | 1 | sselda 3912 |
. . . . 5
⊢ ((𝜑 ∧ 𝑤 ∈ 𝐷) → 𝑤 ∈ ℝ) |
| 3 | | ax-icn 11269 |
. . . . . . . . 9
⊢ i ∈
ℂ |
| 4 | | recn 11300 |
. . . . . . . . 9
⊢ (𝑤 ∈ ℝ → 𝑤 ∈
ℂ) |
| 5 | | mulcl 11294 |
. . . . . . . . 9
⊢ ((i
∈ ℂ ∧ 𝑤
∈ ℂ) → (i · 𝑤) ∈ ℂ) |
| 6 | 3, 4, 5 | sylancr 599 |
. . . . . . . 8
⊢ (𝑤 ∈ ℝ → (i
· 𝑤) ∈
ℂ) |
| 7 | 6 | efcld 16261 |
. . . . . . 7
⊢ (𝑤 ∈ ℝ →
(exp‘(i · 𝑤))
∈ ℂ) |
| 8 | | absefi 16376 |
. . . . . . 7
⊢ (𝑤 ∈ ℝ →
(abs‘(exp‘(i · 𝑤))) = 1) |
| 9 | | absf 15517 |
. . . . . . . . 9
⊢
abs:ℂ⟶ℝ |
| 10 | | ffn 6717 |
. . . . . . . . 9
⊢
(abs:ℂ⟶ℝ → abs Fn ℂ) |
| 11 | 9, 10 | ax-mp 5 |
. . . . . . . 8
⊢ abs Fn
ℂ |
| 12 | | fniniseg 7067 |
. . . . . . . 8
⊢ (abs Fn
ℂ → ((exp‘(i · 𝑤)) ∈ (◡abs “ {1}) ↔ ((exp‘(i
· 𝑤)) ∈ ℂ
∧ (abs‘(exp‘(i · 𝑤))) = 1))) |
| 13 | 11, 12 | ax-mp 5 |
. . . . . . 7
⊢
((exp‘(i · 𝑤)) ∈ (◡abs “ {1}) ↔ ((exp‘(i
· 𝑤)) ∈ ℂ
∧ (abs‘(exp‘(i · 𝑤))) = 1)) |
| 14 | 7, 8, 13 | sylanbrc 595 |
. . . . . 6
⊢ (𝑤 ∈ ℝ →
(exp‘(i · 𝑤))
∈ (◡abs “
{1})) |
| 15 | | efif1o.2 |
. . . . . 6
⊢ 𝐶 = (◡abs “ {1}) |
| 16 | 14, 15 | eleqtrrdi 2874 |
. . . . 5
⊢ (𝑤 ∈ ℝ →
(exp‘(i · 𝑤))
∈ 𝐶) |
| 17 | 2, 16 | syl 18 |
. . . 4
⊢ ((𝜑 ∧ 𝑤 ∈ 𝐷) → (exp‘(i · 𝑤)) ∈ 𝐶) |
| 18 | | efif1o.1 |
. . . 4
⊢ 𝐹 = (𝑤 ∈ 𝐷 ↦ (exp‘(i · 𝑤))) |
| 19 | 17, 18 | fmptd 7122 |
. . 3
⊢ (𝜑 → 𝐹:𝐷⟶𝐶) |
| 20 | 1 | ad2antrr 739 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝐷 ⊆ ℝ) |
| 21 | | simplrl 789 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑥 ∈ 𝐷) |
| 22 | 20, 21 | sseldd 3913 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑥 ∈ ℝ) |
| 23 | 22 | recnd 11347 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑥 ∈ ℂ) |
| 24 | | simplrr 790 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑦 ∈ 𝐷) |
| 25 | 20, 24 | sseldd 3913 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑦 ∈ ℝ) |
| 26 | 25 | recnd 11347 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑦 ∈ ℂ) |
| 27 | 23, 26 | subcld 11679 |
. . . . . . . . 9
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (𝑥 − 𝑦) ∈ ℂ) |
| 28 | | 2picn 26798 |
. . . . . . . . . 10
⊢ (2
· π) ∈ ℂ |
| 29 | | 2pire 26796 |
. . . . . . . . . . 11
⊢ (2
· π) ∈ ℝ |
| 30 | | 2re 12427 |
. . . . . . . . . . . 12
⊢ 2 ∈
ℝ |
| 31 | | pire 26795 |
. . . . . . . . . . . 12
⊢ π
∈ ℝ |
| 32 | | 2pos 12457 |
. . . . . . . . . . . 12
⊢ 0 <
2 |
| 33 | | pipos 26799 |
. . . . . . . . . . . 12
⊢ 0 <
π |
| 34 | 30, 31, 32, 33 | mulgt0ii 11453 |
. . . . . . . . . . 11
⊢ 0 < (2
· π) |
| 35 | 29, 34 | gt0ne0ii 11862 |
. . . . . . . . . 10
⊢ (2
· π) ≠ 0 |
| 36 | | divcl 11990 |
. . . . . . . . . 10
⊢ (((𝑥 − 𝑦) ∈ ℂ ∧ (2 · π)
∈ ℂ ∧ (2 · π) ≠ 0) → ((𝑥 − 𝑦) / (2 · π)) ∈
ℂ) |
| 37 | 28, 35, 36 | mp3an23 1482 |
. . . . . . . . 9
⊢ ((𝑥 − 𝑦) ∈ ℂ → ((𝑥 − 𝑦) / (2 · π)) ∈
ℂ) |
| 38 | 27, 37 | syl 18 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((𝑥 − 𝑦) / (2 · π)) ∈
ℂ) |
| 39 | | absdiv 15474 |
. . . . . . . . . . . . 13
⊢ (((𝑥 − 𝑦) ∈ ℂ ∧ (2 · π)
∈ ℂ ∧ (2 · π) ≠ 0) → (abs‘((𝑥 − 𝑦) / (2 · π))) = ((abs‘(𝑥 − 𝑦)) / (abs‘(2 ·
π)))) |
| 40 | 28, 35, 39 | mp3an23 1482 |
. . . . . . . . . . . 12
⊢ ((𝑥 − 𝑦) ∈ ℂ → (abs‘((𝑥 − 𝑦) / (2 · π))) = ((abs‘(𝑥 − 𝑦)) / (abs‘(2 ·
π)))) |
| 41 | 27, 40 | syl 18 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘((𝑥 − 𝑦) / (2 · π))) = ((abs‘(𝑥 − 𝑦)) / (abs‘(2 ·
π)))) |
| 42 | | 0re 11320 |
. . . . . . . . . . . . . 14
⊢ 0 ∈
ℝ |
| 43 | 42, 29, 34 | ltleii 11443 |
. . . . . . . . . . . . 13
⊢ 0 ≤ (2
· π) |
| 44 | | absid 15475 |
. . . . . . . . . . . . 13
⊢ (((2
· π) ∈ ℝ ∧ 0 ≤ (2 · π)) →
(abs‘(2 · π)) = (2 · π)) |
| 45 | 29, 43, 44 | mp2an 705 |
. . . . . . . . . . . 12
⊢
(abs‘(2 · π)) = (2 · π) |
| 46 | 45 | oveq2i 7438 |
. . . . . . . . . . 11
⊢
((abs‘(𝑥
− 𝑦)) / (abs‘(2
· π))) = ((abs‘(𝑥 − 𝑦)) / (2 · π)) |
| 47 | 41, 46 | eqtrdi 2814 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘((𝑥 − 𝑦) / (2 · π))) = ((abs‘(𝑥 − 𝑦)) / (2 · π))) |
| 48 | | efif1olem4.4 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) → (abs‘(𝑥 − 𝑦)) < (2 · π)) |
| 49 | 48 | adantr 486 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘(𝑥 − 𝑦)) < (2 · π)) |
| 50 | 28 | mulridi 11323 |
. . . . . . . . . . . 12
⊢ ((2
· π) · 1) = (2 · π) |
| 51 | 49, 50 | breqtrrdi 5149 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘(𝑥 − 𝑦)) < ((2 · π) ·
1)) |
| 52 | 27 | abscld 15618 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘(𝑥 − 𝑦)) ∈ ℝ) |
| 53 | | 1re 11318 |
. . . . . . . . . . . . 13
⊢ 1 ∈
ℝ |
| 54 | 29, 34 | pm3.2i 476 |
. . . . . . . . . . . . 13
⊢ ((2
· π) ∈ ℝ ∧ 0 < (2 · π)) |
| 55 | | ltdivmul 12202 |
. . . . . . . . . . . . 13
⊢
(((abs‘(𝑥
− 𝑦)) ∈ ℝ
∧ 1 ∈ ℝ ∧ ((2 · π) ∈ ℝ ∧ 0 < (2
· π))) → (((abs‘(𝑥 − 𝑦)) / (2 · π)) < 1 ↔
(abs‘(𝑥 − 𝑦)) < ((2 · π)
· 1))) |
| 56 | 53, 54, 55 | mp3an23 1482 |
. . . . . . . . . . . 12
⊢
((abs‘(𝑥
− 𝑦)) ∈ ℝ
→ (((abs‘(𝑥
− 𝑦)) / (2 ·
π)) < 1 ↔ (abs‘(𝑥 − 𝑦)) < ((2 · π) ·
1))) |
| 57 | 52, 56 | syl 18 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (((abs‘(𝑥 − 𝑦)) / (2 · π)) < 1 ↔
(abs‘(𝑥 − 𝑦)) < ((2 · π)
· 1))) |
| 58 | 51, 57 | mpbird 260 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((abs‘(𝑥 − 𝑦)) / (2 · π)) <
1) |
| 59 | 47, 58 | eqbrtrd 5129 |
. . . . . . . . 9
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘((𝑥 − 𝑦) / (2 · π))) <
1) |
| 60 | 28, 35 | pm3.2i 476 |
. . . . . . . . . . . . . 14
⊢ ((2
· π) ∈ ℂ ∧ (2 · π) ≠ 0) |
| 61 | | ine0 11761 |
. . . . . . . . . . . . . . 15
⊢ i ≠
0 |
| 62 | 3, 61 | pm3.2i 476 |
. . . . . . . . . . . . . 14
⊢ (i ∈
ℂ ∧ i ≠ 0) |
| 63 | | divcan5 12029 |
. . . . . . . . . . . . . 14
⊢ (((𝑥 − 𝑦) ∈ ℂ ∧ ((2 · π)
∈ ℂ ∧ (2 · π) ≠ 0) ∧ (i ∈ ℂ ∧ i
≠ 0)) → ((i · (𝑥 − 𝑦)) / (i · (2 · π))) =
((𝑥 − 𝑦) / (2 ·
π))) |
| 64 | 60, 62, 63 | mp3an23 1482 |
. . . . . . . . . . . . 13
⊢ ((𝑥 − 𝑦) ∈ ℂ → ((i · (𝑥 − 𝑦)) / (i · (2 · π))) =
((𝑥 − 𝑦) / (2 ·
π))) |
| 65 | 27, 64 | syl 18 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((i · (𝑥 − 𝑦)) / (i · (2 · π))) =
((𝑥 − 𝑦) / (2 ·
π))) |
| 66 | 3 | a1i 11 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → i ∈ ℂ) |
| 67 | 66, 23, 26 | subdid 11782 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (i · (𝑥 − 𝑦)) = ((i · 𝑥) − (i · 𝑦))) |
| 68 | 67 | fveq2d 6897 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘(i · (𝑥 − 𝑦))) = (exp‘((i · 𝑥) − (i · 𝑦)))) |
| 69 | | mulcl 11294 |
. . . . . . . . . . . . . . . 16
⊢ ((i
∈ ℂ ∧ 𝑥
∈ ℂ) → (i · 𝑥) ∈ ℂ) |
| 70 | 3, 23, 69 | sylancr 599 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (i · 𝑥) ∈ ℂ) |
| 71 | | mulcl 11294 |
. . . . . . . . . . . . . . . 16
⊢ ((i
∈ ℂ ∧ 𝑦
∈ ℂ) → (i · 𝑦) ∈ ℂ) |
| 72 | 3, 26, 71 | sylancr 599 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (i · 𝑦) ∈ ℂ) |
| 73 | | efsub 16280 |
. . . . . . . . . . . . . . 15
⊢ (((i
· 𝑥) ∈ ℂ
∧ (i · 𝑦) ∈
ℂ) → (exp‘((i · 𝑥) − (i · 𝑦))) = ((exp‘(i · 𝑥)) / (exp‘(i ·
𝑦)))) |
| 74 | 70, 72, 73 | syl2anc 596 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘((i · 𝑥) − (i · 𝑦))) = ((exp‘(i ·
𝑥)) / (exp‘(i
· 𝑦)))) |
| 75 | 72 | efcld 16261 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘(i · 𝑦)) ∈
ℂ) |
| 76 | 72 | efne0d 16275 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘(i · 𝑦)) ≠ 0) |
| 77 | | simpr 490 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (𝐹‘𝑥) = (𝐹‘𝑦)) |
| 78 | | oveq2 7435 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑤 = 𝑥 → (i · 𝑤) = (i · 𝑥)) |
| 79 | 78 | fveq2d 6897 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑤 = 𝑥 → (exp‘(i · 𝑤)) = (exp‘(i ·
𝑥))) |
| 80 | | fvex 6906 |
. . . . . . . . . . . . . . . . . 18
⊢
(exp‘(i · 𝑥)) ∈ V |
| 81 | 79, 18, 80 | fvmpt 7001 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑥 ∈ 𝐷 → (𝐹‘𝑥) = (exp‘(i · 𝑥))) |
| 82 | 21, 81 | syl 18 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (𝐹‘𝑥) = (exp‘(i · 𝑥))) |
| 83 | | oveq2 7435 |
. . . . . . . . . . . . . . . . . . 19
⊢ (𝑤 = 𝑦 → (i · 𝑤) = (i · 𝑦)) |
| 84 | 83 | fveq2d 6897 |
. . . . . . . . . . . . . . . . . 18
⊢ (𝑤 = 𝑦 → (exp‘(i · 𝑤)) = (exp‘(i ·
𝑦))) |
| 85 | | fvex 6906 |
. . . . . . . . . . . . . . . . . 18
⊢
(exp‘(i · 𝑦)) ∈ V |
| 86 | 84, 18, 85 | fvmpt 7001 |
. . . . . . . . . . . . . . . . 17
⊢ (𝑦 ∈ 𝐷 → (𝐹‘𝑦) = (exp‘(i · 𝑦))) |
| 87 | 24, 86 | syl 18 |
. . . . . . . . . . . . . . . 16
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (𝐹‘𝑦) = (exp‘(i · 𝑦))) |
| 88 | 77, 82, 87 | 3eqtr3d 2806 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘(i · 𝑥)) = (exp‘(i ·
𝑦))) |
| 89 | 75, 76, 88 | diveq1bd 12151 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((exp‘(i · 𝑥)) / (exp‘(i ·
𝑦))) = 1) |
| 90 | 68, 74, 89 | 3eqtrd 2802 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (exp‘(i · (𝑥 − 𝑦))) = 1) |
| 91 | | mulcl 11294 |
. . . . . . . . . . . . . . 15
⊢ ((i
∈ ℂ ∧ (𝑥
− 𝑦) ∈ ℂ)
→ (i · (𝑥
− 𝑦)) ∈
ℂ) |
| 92 | 3, 27, 91 | sylancr 599 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (i · (𝑥 − 𝑦)) ∈ ℂ) |
| 93 | | efeq1 26868 |
. . . . . . . . . . . . . 14
⊢ ((i
· (𝑥 − 𝑦)) ∈ ℂ →
((exp‘(i · (𝑥
− 𝑦))) = 1 ↔ ((i
· (𝑥 − 𝑦)) / (i · (2 ·
π))) ∈ ℤ)) |
| 94 | 92, 93 | syl 18 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((exp‘(i · (𝑥 − 𝑦))) = 1 ↔ ((i · (𝑥 − 𝑦)) / (i · (2 · π))) ∈
ℤ)) |
| 95 | 90, 94 | mpbid 235 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((i · (𝑥 − 𝑦)) / (i · (2 · π))) ∈
ℤ) |
| 96 | 65, 95 | eqeltrrd 2864 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((𝑥 − 𝑦) / (2 · π)) ∈
ℤ) |
| 97 | | nn0abscl 15491 |
. . . . . . . . . . 11
⊢ (((𝑥 − 𝑦) / (2 · π)) ∈ ℤ →
(abs‘((𝑥 −
𝑦) / (2 · π)))
∈ ℕ0) |
| 98 | 96, 97 | syl 18 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘((𝑥 − 𝑦) / (2 · π))) ∈
ℕ0) |
| 99 | | nn0lt10b 12771 |
. . . . . . . . . 10
⊢
((abs‘((𝑥
− 𝑦) / (2 ·
π))) ∈ ℕ0 → ((abs‘((𝑥 − 𝑦) / (2 · π))) < 1 ↔
(abs‘((𝑥 −
𝑦) / (2 · π))) =
0)) |
| 100 | 98, 99 | syl 18 |
. . . . . . . . 9
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((abs‘((𝑥 − 𝑦) / (2 · π))) < 1 ↔
(abs‘((𝑥 −
𝑦) / (2 · π))) =
0)) |
| 101 | 59, 100 | mpbid 235 |
. . . . . . . 8
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (abs‘((𝑥 − 𝑦) / (2 · π))) = 0) |
| 102 | 38, 101 | abs00d 15628 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → ((𝑥 − 𝑦) / (2 · π)) = 0) |
| 103 | | diveq0 11994 |
. . . . . . . . 9
⊢ (((𝑥 − 𝑦) ∈ ℂ ∧ (2 · π)
∈ ℂ ∧ (2 · π) ≠ 0) → (((𝑥 − 𝑦) / (2 · π)) = 0 ↔ (𝑥 − 𝑦) = 0)) |
| 104 | 28, 35, 103 | mp3an23 1482 |
. . . . . . . 8
⊢ ((𝑥 − 𝑦) ∈ ℂ → (((𝑥 − 𝑦) / (2 · π)) = 0 ↔ (𝑥 − 𝑦) = 0)) |
| 105 | 27, 104 | syl 18 |
. . . . . . 7
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (((𝑥 − 𝑦) / (2 · π)) = 0 ↔ (𝑥 − 𝑦) = 0)) |
| 106 | 102, 105 | mpbid 235 |
. . . . . 6
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → (𝑥 − 𝑦) = 0) |
| 107 | 23, 26, 106 | subeq0d 11688 |
. . . . 5
⊢ (((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) ∧ (𝐹‘𝑥) = (𝐹‘𝑦)) → 𝑥 = 𝑦) |
| 108 | 107 | ex 418 |
. . . 4
⊢ ((𝜑 ∧ (𝑥 ∈ 𝐷 ∧ 𝑦 ∈ 𝐷)) → ((𝐹‘𝑥) = (𝐹‘𝑦) → 𝑥 = 𝑦)) |
| 109 | 108 | ralrimivva 3208 |
. . 3
⊢ (𝜑 → ∀𝑥 ∈ 𝐷 ∀𝑦 ∈ 𝐷 ((𝐹‘𝑥) = (𝐹‘𝑦) → 𝑥 = 𝑦)) |
| 110 | | dff13 7265 |
. . 3
⊢ (𝐹:𝐷–1-1→𝐶 ↔ (𝐹:𝐷⟶𝐶 ∧ ∀𝑥 ∈ 𝐷 ∀𝑦 ∈ 𝐷 ((𝐹‘𝑥) = (𝐹‘𝑦) → 𝑥 = 𝑦))) |
| 111 | 19, 109, 110 | sylanbrc 595 |
. 2
⊢ (𝜑 → 𝐹:𝐷–1-1→𝐶) |
| 112 | | oveq1 7434 |
. . . . . . . . 9
⊢ (𝑧 = (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) → (𝑧 − 𝑦) = ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) |
| 113 | 112 | oveq1d 7442 |
. . . . . . . 8
⊢ (𝑧 = (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) → ((𝑧 − 𝑦) / (2 · π)) = (((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π))) |
| 114 | 113 | eleq1d 2848 |
. . . . . . 7
⊢ (𝑧 = (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) → (((𝑧 − 𝑦) / (2 · π)) ∈ ℤ ↔
(((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈
ℤ)) |
| 115 | 114 | rexbidv 3189 |
. . . . . 6
⊢ (𝑧 = (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) → (∃𝑦 ∈ 𝐷 ((𝑧 − 𝑦) / (2 · π)) ∈ ℤ ↔
∃𝑦 ∈ 𝐷 (((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈
ℤ)) |
| 116 | | efif1olem4.5 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑧 ∈ ℝ) → ∃𝑦 ∈ 𝐷 ((𝑧 − 𝑦) / (2 · π)) ∈
ℤ) |
| 117 | 116 | ralrimiva 3157 |
. . . . . . 7
⊢ (𝜑 → ∀𝑧 ∈ ℝ ∃𝑦 ∈ 𝐷 ((𝑧 − 𝑦) / (2 · π)) ∈
ℤ) |
| 118 | 117 | adantr 486 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ∀𝑧 ∈ ℝ ∃𝑦 ∈ 𝐷 ((𝑧 − 𝑦) / (2 · π)) ∈
ℤ) |
| 119 | | neghalfpire 26806 |
. . . . . . . . 9
⊢ -(π /
2) ∈ ℝ |
| 120 | | halfpire 26805 |
. . . . . . . . 9
⊢ (π /
2) ∈ ℝ |
| 121 | | iccssre 13570 |
. . . . . . . . 9
⊢ (( -(π
/ 2) ∈ ℝ ∧ (π / 2) ∈ ℝ) → ( -(π /
2)[,](π / 2)) ⊆ ℝ) |
| 122 | 119, 120,
121 | mp2an 705 |
. . . . . . . 8
⊢ ( -(π
/ 2)[,](π / 2)) ⊆ ℝ |
| 123 | 18, 15 | efif1olem3 26884 |
. . . . . . . . 9
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (ℑ‘(√‘𝑥)) ∈ (
-1[,]1)) |
| 124 | | resinf1o 26876 |
. . . . . . . . . . . 12
⊢ (sin
↾ ( -(π / 2)[,](π / 2))):( -(π / 2)[,](π / 2))–1-1-onto→( -1[,]1) |
| 125 | | efif1olem4.6 |
. . . . . . . . . . . . 13
⊢ 𝑆 = (sin ↾ ( -(π /
2)[,](π / 2))) |
| 126 | | f1oeq1 6820 |
. . . . . . . . . . . . 13
⊢ (𝑆 = (sin ↾ ( -(π /
2)[,](π / 2))) → (𝑆:( -(π / 2)[,](π / 2))–1-1-onto→( -1[,]1) ↔ (sin ↾ ( -(π /
2)[,](π / 2))):( -(π / 2)[,](π / 2))–1-1-onto→(
-1[,]1))) |
| 127 | 125, 126 | ax-mp 5 |
. . . . . . . . . . . 12
⊢ (𝑆:( -(π / 2)[,](π /
2))–1-1-onto→( -1[,]1) ↔ (sin ↾ ( -(π /
2)[,](π / 2))):( -(π / 2)[,](π / 2))–1-1-onto→(
-1[,]1)) |
| 128 | 124, 127 | mpbir 234 |
. . . . . . . . . . 11
⊢ 𝑆:( -(π / 2)[,](π /
2))–1-1-onto→( -1[,]1) |
| 129 | | f1ocnv 6845 |
. . . . . . . . . . 11
⊢ (𝑆:( -(π / 2)[,](π /
2))–1-1-onto→( -1[,]1) → ◡𝑆:( -1[,]1)–1-1-onto→(
-(π / 2)[,](π / 2))) |
| 130 | | f1of 6832 |
. . . . . . . . . . 11
⊢ (◡𝑆:( -1[,]1)–1-1-onto→(
-(π / 2)[,](π / 2)) → ◡𝑆:( -1[,]1)⟶( -(π /
2)[,](π / 2))) |
| 131 | 128, 129,
130 | mp2b 10 |
. . . . . . . . . 10
⊢ ◡𝑆:( -1[,]1)⟶( -(π / 2)[,](π /
2)) |
| 132 | 131 | ffvelcdmi 7091 |
. . . . . . . . 9
⊢
((ℑ‘(√‘𝑥)) ∈ ( -1[,]1) → (◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ( -(π / 2)[,](π
/ 2))) |
| 133 | 123, 132 | syl 18 |
. . . . . . . 8
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ( -(π / 2)[,](π
/ 2))) |
| 134 | 122, 133 | sselid 3910 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (◡𝑆‘(ℑ‘(√‘𝑥))) ∈
ℝ) |
| 135 | | remulcl 11295 |
. . . . . . 7
⊢ ((2
∈ ℝ ∧ (◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ℝ) → (2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℝ) |
| 136 | 30, 134, 135 | sylancr 599 |
. . . . . 6
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℝ) |
| 137 | 115, 118,
136 | rspcdva 3580 |
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ∃𝑦 ∈ 𝐷 (((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈
ℤ) |
| 138 | | oveq1 7434 |
. . . . . . . 8
⊢
((exp‘(i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) = 1 → ((exp‘(i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) · (exp‘(i · 𝑦))) = (1 · (exp‘(i
· 𝑦)))) |
| 139 | 136 | adantr 486 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℝ) |
| 140 | 139 | recnd 11347 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℂ) |
| 141 | | mulcl 11294 |
. . . . . . . . . . . . 13
⊢ ((i
∈ ℂ ∧ (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈ ℂ) → (i
· (2 · (◡𝑆‘(ℑ‘(√‘𝑥))))) ∈
ℂ) |
| 142 | 3, 140, 141 | sylancr 599 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (i · (2 · (◡𝑆‘(ℑ‘(√‘𝑥))))) ∈
ℂ) |
| 143 | 1 | ad2antrr 739 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → 𝐷 ⊆ ℝ) |
| 144 | | simpr 490 |
. . . . . . . . . . . . . . 15
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → 𝑦 ∈ 𝐷) |
| 145 | 143, 144 | sseldd 3913 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → 𝑦 ∈ ℝ) |
| 146 | 145 | recnd 11347 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → 𝑦 ∈ ℂ) |
| 147 | 3, 146, 71 | sylancr 599 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (i · 𝑦) ∈ ℂ) |
| 148 | 3 | a1i 11 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → i ∈ ℂ) |
| 149 | 148, 140,
146 | subdid 11782 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) = ((i · (2 · (◡𝑆‘(ℑ‘(√‘𝑥))))) − (i · 𝑦))) |
| 150 | 142, 147,
149 | mvrrsubd 11739 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) + (i · 𝑦)) = (i · (2 · (◡𝑆‘(ℑ‘(√‘𝑥)))))) |
| 151 | 150 | fveq2d 6897 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (exp‘((i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) + (i · 𝑦))) = (exp‘(i · (2 ·
(◡𝑆‘(ℑ‘(√‘𝑥))))))) |
| 152 | 140, 146 | subcld 11679 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) ∈ ℂ) |
| 153 | | mulcl 11294 |
. . . . . . . . . . . 12
⊢ ((i
∈ ℂ ∧ ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) ∈ ℂ) → (i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) ∈ ℂ) |
| 154 | 3, 152, 153 | sylancr 599 |
. . . . . . . . . . 11
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) ∈ ℂ) |
| 155 | | efadd 16272 |
. . . . . . . . . . 11
⊢ (((i
· ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) ∈ ℂ ∧ (i · 𝑦) ∈ ℂ) →
(exp‘((i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) + (i · 𝑦))) = ((exp‘(i · ((2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) · (exp‘(i · 𝑦)))) |
| 156 | 154, 147,
155 | syl2anc 596 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (exp‘((i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) + (i · 𝑦))) = ((exp‘(i · ((2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) · (exp‘(i · 𝑦)))) |
| 157 | | 2cn 12428 |
. . . . . . . . . . . . . . 15
⊢ 2 ∈
ℂ |
| 158 | 134 | recnd 11347 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (◡𝑆‘(ℑ‘(√‘𝑥))) ∈
ℂ) |
| 159 | | mul12 11485 |
. . . . . . . . . . . . . . 15
⊢ ((i
∈ ℂ ∧ 2 ∈ ℂ ∧ (◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ℂ) → (i
· (2 · (◡𝑆‘(ℑ‘(√‘𝑥))))) = (2 · (i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) |
| 160 | 3, 157, 158, 159 | mp3an12i 1494 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (i · (2 · (◡𝑆‘(ℑ‘(√‘𝑥))))) = (2 · (i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) |
| 161 | 160 | fveq2d 6897 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(i · (2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) = (exp‘(2 ·
(i · (◡𝑆‘(ℑ‘(√‘𝑥))))))) |
| 162 | | mulcl 11294 |
. . . . . . . . . . . . . . 15
⊢ ((i
∈ ℂ ∧ (◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ℂ) → (i
· (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℂ) |
| 163 | 3, 158, 162 | sylancr 599 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (i · (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℂ) |
| 164 | | 2z 12738 |
. . . . . . . . . . . . . 14
⊢ 2 ∈
ℤ |
| 165 | | efexp 16281 |
. . . . . . . . . . . . . 14
⊢ (((i
· (◡𝑆‘(ℑ‘(√‘𝑥)))) ∈ ℂ ∧ 2
∈ ℤ) → (exp‘(2 · (i · (◡𝑆‘(ℑ‘(√‘𝑥)))))) = ((exp‘(i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))↑2)) |
| 166 | 163, 164,
165 | sylancl 598 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(2 · (i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) = ((exp‘(i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))↑2)) |
| 167 | 161, 166 | eqtrd 2798 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(i · (2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) = ((exp‘(i ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))↑2)) |
| 168 | 134 | recoscld 16324 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℝ) |
| 169 | | simpr 490 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝑥 ∈ 𝐶) |
| 170 | 169, 15 | eleqtrdi 2873 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝑥 ∈ (◡abs “ {1})) |
| 171 | | fniniseg 7067 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (abs Fn
ℂ → (𝑥 ∈
(◡abs “ {1}) ↔ (𝑥 ∈ ℂ ∧
(abs‘𝑥) =
1))) |
| 172 | 11, 171 | ax-mp 5 |
. . . . . . . . . . . . . . . . . . . 20
⊢ (𝑥 ∈ (◡abs “ {1}) ↔ (𝑥 ∈ ℂ ∧ (abs‘𝑥) = 1)) |
| 173 | 170, 172 | sylib 221 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (𝑥 ∈ ℂ ∧ (abs‘𝑥) = 1)) |
| 174 | 173 | simpld 500 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 𝑥 ∈ ℂ) |
| 175 | 174 | sqrtcld 15619 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (√‘𝑥) ∈ ℂ) |
| 176 | 175 | recld 15373 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (ℜ‘(√‘𝑥)) ∈
ℝ) |
| 177 | | cosq14ge0 26852 |
. . . . . . . . . . . . . . . . 17
⊢ ((◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ( -(π / 2)[,](π
/ 2)) → 0 ≤ (cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))) |
| 178 | 133, 177 | syl 18 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 0 ≤ (cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))) |
| 179 | 174 | sqrtrege0d 15620 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → 0 ≤
(ℜ‘(√‘𝑥))) |
| 180 | | sincossq 16356 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ℂ →
(((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) +
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) =
1) |
| 181 | 158, 180 | syl 18 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) +
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) =
1) |
| 182 | 174 | sqsqrtd 15621 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((√‘𝑥)↑2) = 𝑥) |
| 183 | 182 | fveq2d 6897 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (abs‘((√‘𝑥)↑2)) = (abs‘𝑥)) |
| 184 | | 2nn0 12633 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ 2 ∈
ℕ0 |
| 185 | | absexp 15483 |
. . . . . . . . . . . . . . . . . . . . 21
⊢
(((√‘𝑥)
∈ ℂ ∧ 2 ∈ ℕ0) →
(abs‘((√‘𝑥)↑2)) = ((abs‘(√‘𝑥))↑2)) |
| 186 | 175, 184,
185 | sylancl 598 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (abs‘((√‘𝑥)↑2)) =
((abs‘(√‘𝑥))↑2)) |
| 187 | 173 | simprd 501 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (abs‘𝑥) = 1) |
| 188 | 183, 186,
187 | 3eqtr3d 2806 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((abs‘(√‘𝑥))↑2) = 1) |
| 189 | 175 | absvalsq2d 15625 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((abs‘(√‘𝑥))↑2) =
(((ℜ‘(√‘𝑥))↑2) +
((ℑ‘(√‘𝑥))↑2))) |
| 190 | 181, 188,
189 | 3eqtr2d 2804 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) +
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) =
(((ℜ‘(√‘𝑥))↑2) +
((ℑ‘(√‘𝑥))↑2))) |
| 191 | 125 | fveq1i 6894 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ (𝑆‘(◡𝑆‘(ℑ‘(√‘𝑥)))) = ((sin ↾ ( -(π /
2)[,](π / 2)))‘(◡𝑆‘(ℑ‘(√‘𝑥)))) |
| 192 | 133 | fvresd 6913 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((sin ↾ ( -(π / 2)[,](π
/ 2)))‘(◡𝑆‘(ℑ‘(√‘𝑥)))) = (sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))) |
| 193 | 191, 192 | eqtrid 2810 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (𝑆‘(◡𝑆‘(ℑ‘(√‘𝑥)))) = (sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))) |
| 194 | | f1ocnvfv2 7292 |
. . . . . . . . . . . . . . . . . . . . 21
⊢ ((𝑆:( -(π / 2)[,](π /
2))–1-1-onto→( -1[,]1) ∧
(ℑ‘(√‘𝑥)) ∈ ( -1[,]1)) → (𝑆‘(◡𝑆‘(ℑ‘(√‘𝑥)))) =
(ℑ‘(√‘𝑥))) |
| 195 | 128, 123,
194 | sylancr 599 |
. . . . . . . . . . . . . . . . . . . 20
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (𝑆‘(◡𝑆‘(ℑ‘(√‘𝑥)))) =
(ℑ‘(√‘𝑥))) |
| 196 | 193, 195 | eqtr3d 2800 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (sin‘(◡𝑆‘(ℑ‘(√‘𝑥)))) =
(ℑ‘(√‘𝑥))) |
| 197 | 196 | oveq1d 7442 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) =
((ℑ‘(√‘𝑥))↑2)) |
| 198 | 190, 197 | oveq12d 7445 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) +
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) −
((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) =
((((ℜ‘(√‘𝑥))↑2) +
((ℑ‘(√‘𝑥))↑2)) −
((ℑ‘(√‘𝑥))↑2))) |
| 199 | 158 | sincld 16310 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (sin‘(◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℂ) |
| 200 | 199 | sqcld 14297 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) ∈
ℂ) |
| 201 | 158 | coscld 16311 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) ∈
ℂ) |
| 202 | 201 | sqcld 14297 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) ∈
ℂ) |
| 203 | 200, 202 | pncan2d 11681 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) +
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) −
((sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) =
((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2)) |
| 204 | 176 | recnd 11347 |
. . . . . . . . . . . . . . . . . . 19
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (ℜ‘(√‘𝑥)) ∈
ℂ) |
| 205 | 204 | sqcld 14297 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((ℜ‘(√‘𝑥))↑2) ∈
ℂ) |
| 206 | 197, 200 | eqeltrrd 2864 |
. . . . . . . . . . . . . . . . . 18
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) →
((ℑ‘(√‘𝑥))↑2) ∈ ℂ) |
| 207 | 205, 206 | pncand 11680 |
. . . . . . . . . . . . . . . . 17
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) →
((((ℜ‘(√‘𝑥))↑2) +
((ℑ‘(√‘𝑥))↑2)) −
((ℑ‘(√‘𝑥))↑2)) =
((ℜ‘(√‘𝑥))↑2)) |
| 208 | 198, 203,
207 | 3eqtr3d 2806 |
. . . . . . . . . . . . . . . 16
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((cos‘(◡𝑆‘(ℑ‘(√‘𝑥))))↑2) =
((ℜ‘(√‘𝑥))↑2)) |
| 209 | 168, 176,
178, 179, 208 | sq11d 14412 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) =
(ℜ‘(√‘𝑥))) |
| 210 | 196 | oveq2d 7443 |
. . . . . . . . . . . . . . 15
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (i · (sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))) = (i ·
(ℑ‘(√‘𝑥)))) |
| 211 | 209, 210 | oveq12d 7445 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) + (i ·
(sin‘(◡𝑆‘(ℑ‘(√‘𝑥)))))) =
((ℜ‘(√‘𝑥)) + (i ·
(ℑ‘(√‘𝑥))))) |
| 212 | | efival 16332 |
. . . . . . . . . . . . . . 15
⊢ ((◡𝑆‘(ℑ‘(√‘𝑥))) ∈ ℂ →
(exp‘(i · (◡𝑆‘(ℑ‘(√‘𝑥))))) = ((cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) + (i ·
(sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))))) |
| 213 | 158, 212 | syl 18 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(i · (◡𝑆‘(ℑ‘(√‘𝑥))))) = ((cos‘(◡𝑆‘(ℑ‘(√‘𝑥)))) + (i ·
(sin‘(◡𝑆‘(ℑ‘(√‘𝑥))))))) |
| 214 | 175 | replimd 15376 |
. . . . . . . . . . . . . 14
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (√‘𝑥) = ((ℜ‘(√‘𝑥)) + (i ·
(ℑ‘(√‘𝑥))))) |
| 215 | 211, 213,
214 | 3eqtr4d 2808 |
. . . . . . . . . . . . 13
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(i · (◡𝑆‘(ℑ‘(√‘𝑥))))) = (√‘𝑥)) |
| 216 | 215 | oveq1d 7442 |
. . . . . . . . . . . 12
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ((exp‘(i · (◡𝑆‘(ℑ‘(√‘𝑥)))))↑2) =
((√‘𝑥)↑2)) |
| 217 | 167, 216,
182 | 3eqtrd 2802 |
. . . . . . . . . . 11
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (exp‘(i · (2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) = 𝑥) |
| 218 | 217 | adantr 486 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (exp‘(i · (2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))))) = 𝑥) |
| 219 | 151, 156,
218 | 3eqtr3d 2806 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((exp‘(i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) · (exp‘(i · 𝑦))) = 𝑥) |
| 220 | 147 | efcld 16261 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (exp‘(i · 𝑦)) ∈
ℂ) |
| 221 | 220 | mullidd 11337 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (1 · (exp‘(i ·
𝑦))) = (exp‘(i
· 𝑦))) |
| 222 | 219, 221 | eqeq12d 2779 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (((exp‘(i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) · (exp‘(i · 𝑦))) = (1 · (exp‘(i
· 𝑦))) ↔ 𝑥 = (exp‘(i · 𝑦)))) |
| 223 | 138, 222 | imbitrid 247 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((exp‘(i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) = 1 → 𝑥 = (exp‘(i · 𝑦)))) |
| 224 | | efeq1 26868 |
. . . . . . . . 9
⊢ ((i
· ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) ∈ ℂ → ((exp‘(i
· ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) = 1 ↔ ((i · ((2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) ∈
ℤ)) |
| 225 | 154, 224 | syl 18 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((exp‘(i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) = 1 ↔ ((i · ((2 ·
(◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) ∈
ℤ)) |
| 226 | | divcan5 12029 |
. . . . . . . . . . 11
⊢ ((((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) ∈ ℂ ∧ ((2 · π)
∈ ℂ ∧ (2 · π) ≠ 0) ∧ (i ∈ ℂ ∧ i
≠ 0)) → ((i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) = (((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π))) |
| 227 | 60, 62, 226 | mp3an23 1482 |
. . . . . . . . . 10
⊢ (((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) ∈ ℂ → ((i · ((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) = (((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π))) |
| 228 | 152, 227 | syl 18 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) = (((2
· (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π))) |
| 229 | 228 | eleq1d 2848 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (((i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦)) / (i · (2 · π))) ∈
ℤ ↔ (((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈
ℤ)) |
| 230 | 225, 229 | bitr2d 283 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈ ℤ ↔
(exp‘(i · ((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦))) = 1)) |
| 231 | 86 | adantl 487 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (𝐹‘𝑦) = (exp‘(i · 𝑦))) |
| 232 | 231 | eqeq2d 2774 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → (𝑥 = (𝐹‘𝑦) ↔ 𝑥 = (exp‘(i · 𝑦)))) |
| 233 | 223, 230,
232 | 3imtr4d 297 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ 𝐶) ∧ 𝑦 ∈ 𝐷) → ((((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈ ℤ →
𝑥 = (𝐹‘𝑦))) |
| 234 | 233 | reximdva 3178 |
. . . . 5
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → (∃𝑦 ∈ 𝐷 (((2 · (◡𝑆‘(ℑ‘(√‘𝑥)))) − 𝑦) / (2 · π)) ∈ ℤ →
∃𝑦 ∈ 𝐷 𝑥 = (𝐹‘𝑦))) |
| 235 | 137, 234 | mpd 16 |
. . . 4
⊢ ((𝜑 ∧ 𝑥 ∈ 𝐶) → ∃𝑦 ∈ 𝐷 𝑥 = (𝐹‘𝑦)) |
| 236 | 235 | ralrimiva 3157 |
. . 3
⊢ (𝜑 → ∀𝑥 ∈ 𝐶 ∃𝑦 ∈ 𝐷 𝑥 = (𝐹‘𝑦)) |
| 237 | | dffo3 7110 |
. . 3
⊢ (𝐹:𝐷–onto→𝐶 ↔ (𝐹:𝐷⟶𝐶 ∧ ∀𝑥 ∈ 𝐶 ∃𝑦 ∈ 𝐷 𝑥 = (𝐹‘𝑦))) |
| 238 | 19, 236, 237 | sylanbrc 595 |
. 2
⊢ (𝜑 → 𝐹:𝐷–onto→𝐶) |
| 239 | | df-f1o 6553 |
. 2
⊢ (𝐹:𝐷–1-1-onto→𝐶 ↔ (𝐹:𝐷–1-1→𝐶 ∧ 𝐹:𝐷–onto→𝐶)) |
| 240 | 111, 238,
239 | sylanbrc 595 |
1
⊢ (𝜑 → 𝐹:𝐷–1-1-onto→𝐶) |