Proof of Theorem linplyfv
| Step | Hyp | Ref
| Expression |
| 1 | | linplyfv.p |
. . 3
⊢ 𝑃 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...1)((𝐶‘𝑘) · (𝑧↑𝑘))) |
| 2 | 1 | a1i 11 |
. 2
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝑃 = (𝑧 ∈ ℂ ↦
Σ𝑘 ∈
(0...1)((𝐶‘𝑘) · (𝑧↑𝑘)))) |
| 3 | | oveq1 7456 |
. . . . . . 7
⊢ (𝑧 = 𝑋 → (𝑧↑𝑘) = (𝑋↑𝑘)) |
| 4 | 3 | oveq2d 7465 |
. . . . . 6
⊢ (𝑧 = 𝑋 → ((𝐶‘𝑘) · (𝑧↑𝑘)) = ((𝐶‘𝑘) · (𝑋↑𝑘))) |
| 5 | 4 | a1d 26 |
. . . . 5
⊢ (𝑧 = 𝑋 → (𝑘 ∈ (0...1) → ((𝐶‘𝑘) · (𝑧↑𝑘)) = ((𝐶‘𝑘) · (𝑋↑𝑘)))) |
| 6 | 5 | ralrimiv 3157 |
. . . 4
⊢ (𝑧 = 𝑋 → ∀𝑘 ∈ (0...1)((𝐶‘𝑘) · (𝑧↑𝑘)) = ((𝐶‘𝑘) · (𝑋↑𝑘))) |
| 7 | 6 | sumeq2d 15909 |
. . 3
⊢ (𝑧 = 𝑋 → Σ𝑘 ∈ (0...1)((𝐶‘𝑘) · (𝑧↑𝑘)) = Σ𝑘 ∈ (0...1)((𝐶‘𝑘) · (𝑋↑𝑘))) |
| 8 | | fz01pr 13924 |
. . . . 5
⊢ (0...1) =
{0, 1} |
| 9 | 8 | sumeq1i 15905 |
. . . 4
⊢
Σ𝑘 ∈
(0...1)((𝐶‘𝑘) · (𝑋↑𝑘)) = Σ𝑘 ∈ {0, 1} ((𝐶‘𝑘) · (𝑋↑𝑘)) |
| 10 | | fveq2 6914 |
. . . . . . 7
⊢ (𝑘 = 0 → (𝐶‘𝑘) = (𝐶‘0)) |
| 11 | | oveq2 7457 |
. . . . . . 7
⊢ (𝑘 = 0 → (𝑋↑𝑘) = (𝑋↑0)) |
| 12 | 10, 11 | oveq12d 7467 |
. . . . . 6
⊢ (𝑘 = 0 → ((𝐶‘𝑘) · (𝑋↑𝑘)) = ((𝐶‘0) · (𝑋↑0))) |
| 13 | | fveq2 6914 |
. . . . . . 7
⊢ (𝑘 = 1 → (𝐶‘𝑘) = (𝐶‘1)) |
| 14 | | oveq2 7457 |
. . . . . . 7
⊢ (𝑘 = 1 → (𝑋↑𝑘) = (𝑋↑1)) |
| 15 | 13, 14 | oveq12d 7467 |
. . . . . 6
⊢ (𝑘 = 1 → ((𝐶‘𝑘) · (𝑋↑𝑘)) = ((𝐶‘1) · (𝑋↑1))) |
| 16 | | cnex 11318 |
. . . . . . . . . . . 12
⊢ ℂ
∈ V |
| 17 | | simp1 1154 |
. . . . . . . . . . . 12
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝑆 ⊆
ℂ) |
| 18 | | mapss 8953 |
. . . . . . . . . . . 12
⊢ ((ℂ
∈ V ∧ 𝑆 ⊆
ℂ) → (𝑆
↑m ℕ0) ⊆ (ℂ ↑m
ℕ0)) |
| 19 | 16, 17, 18 | sylancr 599 |
. . . . . . . . . . 11
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑆
↑m ℕ0) ⊆ (ℂ ↑m
ℕ0)) |
| 20 | | simp2 1155 |
. . . . . . . . . . 11
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝐶 ∈ (𝑆 ↑m
ℕ0)) |
| 21 | 19, 20 | sseldd 3914 |
. . . . . . . . . 10
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝐶 ∈ (ℂ
↑m ℕ0)) |
| 22 | 21 | elmaprd 8906 |
. . . . . . . . 9
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝐶:ℕ0⟶ℂ) |
| 23 | | 0nn0 12659 |
. . . . . . . . . 10
⊢ 0 ∈
ℕ0 |
| 24 | 23 | a1i 11 |
. . . . . . . . 9
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 0 ∈ ℕ0) |
| 25 | 22, 24 | ffvelcdmd 7115 |
. . . . . . . 8
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝐶‘0) ∈
ℂ) |
| 26 | | id 23 |
. . . . . . . . . 10
⊢ (𝑋 ∈ ℂ → 𝑋 ∈
ℂ) |
| 27 | 23 | a1i 11 |
. . . . . . . . . 10
⊢ (𝑋 ∈ ℂ → 0 ∈
ℕ0) |
| 28 | 26, 27 | expcld 14327 |
. . . . . . . . 9
⊢ (𝑋 ∈ ℂ → (𝑋↑0) ∈
ℂ) |
| 29 | 28 | 3ad2ant3 1153 |
. . . . . . . 8
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑋↑0) ∈
ℂ) |
| 30 | 25, 29 | mulcld 11366 |
. . . . . . 7
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘0)
· (𝑋↑0)) ∈
ℂ) |
| 31 | | 1nn0 12660 |
. . . . . . . . . 10
⊢ 1 ∈
ℕ0 |
| 32 | 31 | a1i 11 |
. . . . . . . . 9
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 1 ∈ ℕ0) |
| 33 | 22, 32 | ffvelcdmd 7115 |
. . . . . . . 8
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝐶‘1) ∈
ℂ) |
| 34 | 31 | a1i 11 |
. . . . . . . . . 10
⊢ (𝑋 ∈ ℂ → 1 ∈
ℕ0) |
| 35 | 26, 34 | expcld 14327 |
. . . . . . . . 9
⊢ (𝑋 ∈ ℂ → (𝑋↑1) ∈
ℂ) |
| 36 | 35 | 3ad2ant3 1153 |
. . . . . . . 8
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑋↑1) ∈
ℂ) |
| 37 | 33, 36 | mulcld 11366 |
. . . . . . 7
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘1)
· (𝑋↑1)) ∈
ℂ) |
| 38 | 30, 37 | jca 521 |
. . . . . 6
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (((𝐶‘0)
· (𝑋↑0)) ∈
ℂ ∧ ((𝐶‘1)
· (𝑋↑1)) ∈
ℂ)) |
| 39 | | 0z 12742 |
. . . . . . . 8
⊢ 0 ∈
ℤ |
| 40 | | 1z 12764 |
. . . . . . . 8
⊢ 1 ∈
ℤ |
| 41 | 39, 40 | pm3.2i 476 |
. . . . . . 7
⊢ (0 ∈
ℤ ∧ 1 ∈ ℤ) |
| 42 | 41 | a1i 11 |
. . . . . 6
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (0 ∈ ℤ ∧ 1 ∈ ℤ)) |
| 43 | | 0ne1 12452 |
. . . . . . 7
⊢ 0 ≠
1 |
| 44 | 43 | a1i 11 |
. . . . . 6
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 0 ≠ 1) |
| 45 | 12, 15, 38, 42, 44 | sumpr 15955 |
. . . . 5
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ Σ𝑘 ∈ {0,
1} ((𝐶‘𝑘) · (𝑋↑𝑘)) = (((𝐶‘0) · (𝑋↑0)) + ((𝐶‘1) · (𝑋↑1)))) |
| 46 | | exp0 14246 |
. . . . . . . . 9
⊢ (𝑋 ∈ ℂ → (𝑋↑0) = 1) |
| 47 | 46 | 3ad2ant3 1153 |
. . . . . . . 8
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑋↑0) =
1) |
| 48 | 47 | oveq2d 7465 |
. . . . . . 7
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘0)
· (𝑋↑0)) =
((𝐶‘0) ·
1)) |
| 49 | 25 | mulridd 11363 |
. . . . . . 7
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘0)
· 1) = (𝐶‘0)) |
| 50 | 48, 49 | eqtrd 2798 |
. . . . . 6
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘0)
· (𝑋↑0)) =
(𝐶‘0)) |
| 51 | | exp1 14248 |
. . . . . . . 8
⊢ (𝑋 ∈ ℂ → (𝑋↑1) = 𝑋) |
| 52 | 51 | 3ad2ant3 1153 |
. . . . . . 7
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑋↑1) = 𝑋) |
| 53 | 52 | oveq2d 7465 |
. . . . . 6
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘1)
· (𝑋↑1)) =
((𝐶‘1) · 𝑋)) |
| 54 | 50, 53 | oveq12d 7467 |
. . . . 5
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (((𝐶‘0)
· (𝑋↑0)) +
((𝐶‘1) ·
(𝑋↑1))) = ((𝐶‘0) + ((𝐶‘1) · 𝑋))) |
| 55 | 45, 54 | eqtrd 2798 |
. . . 4
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ Σ𝑘 ∈ {0,
1} ((𝐶‘𝑘) · (𝑋↑𝑘)) = ((𝐶‘0) + ((𝐶‘1) · 𝑋))) |
| 56 | 9, 55 | eqtrid 2810 |
. . 3
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ Σ𝑘 ∈
(0...1)((𝐶‘𝑘) · (𝑋↑𝑘)) = ((𝐶‘0) + ((𝐶‘1) · 𝑋))) |
| 57 | 7, 56 | sylan9eqr 2820 |
. 2
⊢ (((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
∧ 𝑧 = 𝑋) → Σ𝑘 ∈ (0...1)((𝐶‘𝑘) · (𝑧↑𝑘)) = ((𝐶‘0) + ((𝐶‘1) · 𝑋))) |
| 58 | | simp3 1156 |
. 2
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ 𝑋 ∈
ℂ) |
| 59 | | ovexd 7484 |
. 2
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ ((𝐶‘0) +
((𝐶‘1) · 𝑋)) ∈ V) |
| 60 | 2, 57, 58, 59 | fvmptd 7030 |
1
⊢ ((𝑆 ⊆ ℂ ∧ 𝐶 ∈ (𝑆 ↑m ℕ0)
∧ 𝑋 ∈ ℂ)
→ (𝑃‘𝑋) = ((𝐶‘0) + ((𝐶‘1) · 𝑋))) |