| Step | Hyp | Ref
| Expression |
| 1 | | simpl 488 |
. . . 4
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → 𝑄 ∈ (ℝ ↑m
(1...3))) |
| 2 | 1 | veronesevald 50786 |
. . 3
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) →
(veronese‘𝑄) = (𝑘 ∈ (1...6) ↦
(((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) + ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0))))) |
| 3 | 2 | fveq1d 6884 |
. 2
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) →
((veronese‘𝑄)‘𝐾) = ((𝑘 ∈ (1...6) ↦ (((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) + ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0))))‘𝐾)) |
| 4 | 1 | rr3fv1cld 50762 |
. . . . . . . . . 10
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → (𝑄‘1) ∈ ℝ) |
| 5 | 4 | resqcld 14189 |
. . . . . . . . 9
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘1)↑2) ∈
ℝ) |
| 6 | 5 | adantr 486 |
. . . . . . . 8
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘1)↑2) ∈
ℝ) |
| 7 | | 0red 11236 |
. . . . . . . 8
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → 0 ∈
ℝ) |
| 8 | 6, 7 | ifcld 4532 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 1, ((𝑄‘1)↑2), 0) ∈
ℝ) |
| 9 | 1 | rr3fv2cld 50763 |
. . . . . . . . . 10
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → (𝑄‘2) ∈ ℝ) |
| 10 | 9 | resqcld 14189 |
. . . . . . . . 9
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘2)↑2) ∈
ℝ) |
| 11 | 10 | adantr 486 |
. . . . . . . 8
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘2)↑2) ∈
ℝ) |
| 12 | 11, 7 | ifcld 4532 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 2, ((𝑄‘2)↑2), 0) ∈
ℝ) |
| 13 | 8, 12 | readdcld 11263 |
. . . . . 6
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → (if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) ∈
ℝ) |
| 14 | 1 | rr3fv3cld 50764 |
. . . . . . . . 9
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → (𝑄‘3) ∈ ℝ) |
| 15 | 14 | resqcld 14189 |
. . . . . . . 8
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘3)↑2) ∈
ℝ) |
| 16 | 15 | adantr 486 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘3)↑2) ∈
ℝ) |
| 17 | 16, 7 | ifcld 4532 |
. . . . . 6
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 3, ((𝑄‘3)↑2), 0) ∈
ℝ) |
| 18 | 13, 17 | readdcld 11263 |
. . . . 5
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) ∈
ℝ) |
| 19 | 4, 9 | remulcld 11264 |
. . . . . . . . 9
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘1) · (𝑄‘2)) ∈ ℝ) |
| 20 | 19 | adantr 486 |
. . . . . . . 8
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘1) · (𝑄‘2)) ∈ ℝ) |
| 21 | 20, 7 | ifcld 4532 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) ∈
ℝ) |
| 22 | 9, 14 | remulcld 11264 |
. . . . . . . . 9
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘2) · (𝑄‘3)) ∈ ℝ) |
| 23 | 22 | adantr 486 |
. . . . . . . 8
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘2) · (𝑄‘3)) ∈ ℝ) |
| 24 | 23, 7 | ifcld 4532 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0) ∈
ℝ) |
| 25 | 21, 24 | readdcld 11263 |
. . . . . 6
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → (if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) ∈
ℝ) |
| 26 | 14, 4 | remulcld 11264 |
. . . . . . . 8
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑄‘3) · (𝑄‘1)) ∈ ℝ) |
| 27 | 26 | adantr 486 |
. . . . . . 7
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((𝑄‘3) · (𝑄‘1)) ∈ ℝ) |
| 28 | 27, 7 | ifcld 4532 |
. . . . . 6
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0) ∈
ℝ) |
| 29 | 25, 28 | readdcld 11263 |
. . . . 5
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0)) ∈
ℝ) |
| 30 | 18, 29 | readdcld 11263 |
. . . 4
⊢ (((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) ∧ 𝑘 ∈ (1...6)) → (((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) + ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0))) ∈
ℝ) |
| 31 | 30 | fmpttd 7111 |
. . 3
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → (𝑘 ∈ (1...6) ↦ (((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) + ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)),
0)))):(1...6)⟶ℝ) |
| 32 | | simpr 490 |
. . 3
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → 𝐾 ∈ (1...6)) |
| 33 | 31, 32 | ffvelcdmd 7081 |
. 2
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) → ((𝑘 ∈ (1...6) ↦ (((if(𝑘 = 1, ((𝑄‘1)↑2), 0) + if(𝑘 = 2, ((𝑄‘2)↑2), 0)) + if(𝑘 = 3, ((𝑄‘3)↑2), 0)) + ((if(𝑘 = 4, ((𝑄‘1) · (𝑄‘2)), 0) + if(𝑘 = 5, ((𝑄‘2) · (𝑄‘3)), 0)) + if(𝑘 = 6, ((𝑄‘3) · (𝑄‘1)), 0))))‘𝐾) ∈ ℝ) |
| 34 | 3, 33 | eqeltrd 2862 |
1
⊢ ((𝑄 ∈ (ℝ
↑m (1...3)) ∧ 𝐾 ∈ (1...6)) →
((veronese‘𝑄)‘𝐾) ∈ ℝ) |