Step | Hyp | Ref
| Expression |
1 | | coe1tmmul.r |
. . 3
⊢ (𝜑 → 𝑅 ∈ Ring) |
2 | | coe1tmmul.c |
. . . 4
⊢ (𝜑 → 𝐶 ∈ 𝐾) |
3 | | coe1tmmul.d |
. . . 4
⊢ (𝜑 → 𝐷 ∈
ℕ0) |
4 | | coe1tm.k |
. . . . 5
⊢ 𝐾 = (Base‘𝑅) |
5 | | coe1tm.p |
. . . . 5
⊢ 𝑃 = (Poly1‘𝑅) |
6 | | coe1tm.x |
. . . . 5
⊢ 𝑋 = (var1‘𝑅) |
7 | | coe1tm.m |
. . . . 5
⊢ · = (
·𝑠 ‘𝑃) |
8 | | coe1tm.n |
. . . . 5
⊢ 𝑁 = (mulGrp‘𝑃) |
9 | | coe1tm.e |
. . . . 5
⊢ ↑ =
(.g‘𝑁) |
10 | | coe1tmmul.b |
. . . . 5
⊢ 𝐵 = (Base‘𝑃) |
11 | 4, 5, 6, 7, 8, 9, 10 | ply1tmcl 21443 |
. . . 4
⊢ ((𝑅 ∈ Ring ∧ 𝐶 ∈ 𝐾 ∧ 𝐷 ∈ ℕ0) → (𝐶 · (𝐷 ↑ 𝑋)) ∈ 𝐵) |
12 | 1, 2, 3, 11 | syl3anc 1370 |
. . 3
⊢ (𝜑 → (𝐶 · (𝐷 ↑ 𝑋)) ∈ 𝐵) |
13 | | coe1tmmul.a |
. . 3
⊢ (𝜑 → 𝐴 ∈ 𝐵) |
14 | | coe1tmmul.t |
. . . 4
⊢ ∙ =
(.r‘𝑃) |
15 | | coe1tmmul.u |
. . . 4
⊢ × =
(.r‘𝑅) |
16 | 5, 14, 15, 10 | coe1mul 21441 |
. . 3
⊢ ((𝑅 ∈ Ring ∧ (𝐶 · (𝐷 ↑ 𝑋)) ∈ 𝐵 ∧ 𝐴 ∈ 𝐵) → (coe1‘((𝐶 · (𝐷 ↑ 𝑋)) ∙ 𝐴)) = (𝑥 ∈ ℕ0 ↦ (𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))))) |
17 | 1, 12, 13, 16 | syl3anc 1370 |
. 2
⊢ (𝜑 →
(coe1‘((𝐶
·
(𝐷 ↑ 𝑋)) ∙ 𝐴)) = (𝑥 ∈ ℕ0 ↦ (𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))))) |
18 | | eqeq2 2750 |
. . . 4
⊢ ((𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))) = if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ) → ((𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))) ↔ (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ))) |
19 | | eqeq2 2750 |
. . . 4
⊢ ( 0 = if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ) → ((𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = 0 ↔ (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ))) |
20 | | coe1tm.z |
. . . . . 6
⊢ 0 =
(0g‘𝑅) |
21 | 1 | ad2antrr 723 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → 𝑅 ∈ Ring) |
22 | | ringmnd 19793 |
. . . . . . 7
⊢ (𝑅 ∈ Ring → 𝑅 ∈ Mnd) |
23 | 21, 22 | syl 17 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → 𝑅 ∈ Mnd) |
24 | | ovexd 7310 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (0...𝑥) ∈ V) |
25 | 3 | ad2antrr 723 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → 𝐷 ∈
ℕ0) |
26 | | simpr 485 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → 𝐷 ≤ 𝑥) |
27 | | fznn0 13348 |
. . . . . . . 8
⊢ (𝑥 ∈ ℕ0
→ (𝐷 ∈ (0...𝑥) ↔ (𝐷 ∈ ℕ0 ∧ 𝐷 ≤ 𝑥))) |
28 | 27 | ad2antlr 724 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (𝐷 ∈ (0...𝑥) ↔ (𝐷 ∈ ℕ0 ∧ 𝐷 ≤ 𝑥))) |
29 | 25, 26, 28 | mpbir2and 710 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → 𝐷 ∈ (0...𝑥)) |
30 | 1 | ad2antrr 723 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → 𝑅 ∈ Ring) |
31 | | eqid 2738 |
. . . . . . . . . . . . 13
⊢
(coe1‘(𝐶 · (𝐷 ↑ 𝑋))) = (coe1‘(𝐶 · (𝐷 ↑ 𝑋))) |
32 | 31, 10, 5, 4 | coe1f 21382 |
. . . . . . . . . . . 12
⊢ ((𝐶 · (𝐷 ↑ 𝑋)) ∈ 𝐵 → (coe1‘(𝐶 · (𝐷 ↑ 𝑋))):ℕ0⟶𝐾) |
33 | 12, 32 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 →
(coe1‘(𝐶
·
(𝐷 ↑ 𝑋))):ℕ0⟶𝐾) |
34 | 33 | adantr 481 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑥 ∈ ℕ0) →
(coe1‘(𝐶
·
(𝐷 ↑ 𝑋))):ℕ0⟶𝐾) |
35 | | elfznn0 13349 |
. . . . . . . . . 10
⊢ (𝑦 ∈ (0...𝑥) → 𝑦 ∈ ℕ0) |
36 | | ffvelrn 6959 |
. . . . . . . . . 10
⊢
(((coe1‘(𝐶 · (𝐷 ↑ 𝑋))):ℕ0⟶𝐾 ∧ 𝑦 ∈ ℕ0) →
((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ∈ 𝐾) |
37 | 34, 35, 36 | syl2an 596 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ∈ 𝐾) |
38 | | eqid 2738 |
. . . . . . . . . . . . 13
⊢
(coe1‘𝐴) = (coe1‘𝐴) |
39 | 38, 10, 5, 4 | coe1f 21382 |
. . . . . . . . . . . 12
⊢ (𝐴 ∈ 𝐵 → (coe1‘𝐴):ℕ0⟶𝐾) |
40 | 13, 39 | syl 17 |
. . . . . . . . . . 11
⊢ (𝜑 →
(coe1‘𝐴):ℕ0⟶𝐾) |
41 | 40 | adantr 481 |
. . . . . . . . . 10
⊢ ((𝜑 ∧ 𝑥 ∈ ℕ0) →
(coe1‘𝐴):ℕ0⟶𝐾) |
42 | | fznn0sub 13288 |
. . . . . . . . . 10
⊢ (𝑦 ∈ (0...𝑥) → (𝑥 − 𝑦) ∈
ℕ0) |
43 | | ffvelrn 6959 |
. . . . . . . . . 10
⊢
(((coe1‘𝐴):ℕ0⟶𝐾 ∧ (𝑥 − 𝑦) ∈ ℕ0) →
((coe1‘𝐴)‘(𝑥 − 𝑦)) ∈ 𝐾) |
44 | 41, 42, 43 | syl2an 596 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → ((coe1‘𝐴)‘(𝑥 − 𝑦)) ∈ 𝐾) |
45 | 4, 15 | ringcl 19800 |
. . . . . . . . 9
⊢ ((𝑅 ∈ Ring ∧
((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ∈ 𝐾 ∧ ((coe1‘𝐴)‘(𝑥 − 𝑦)) ∈ 𝐾) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) ∈ 𝐾) |
46 | 30, 37, 44, 45 | syl3anc 1370 |
. . . . . . . 8
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) ∈ 𝐾) |
47 | 46 | fmpttd 6989 |
. . . . . . 7
⊢ ((𝜑 ∧ 𝑥 ∈ ℕ0) → (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))):(0...𝑥)⟶𝐾) |
48 | 47 | adantr 481 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))):(0...𝑥)⟶𝐾) |
49 | 1 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → 𝑅 ∈ Ring) |
50 | 2 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → 𝐶 ∈ 𝐾) |
51 | 3 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → 𝐷 ∈
ℕ0) |
52 | | eldifi 4061 |
. . . . . . . . . . . 12
⊢ (𝑦 ∈ ((0...𝑥) ∖ {𝐷}) → 𝑦 ∈ (0...𝑥)) |
53 | 52, 35 | syl 17 |
. . . . . . . . . . 11
⊢ (𝑦 ∈ ((0...𝑥) ∖ {𝐷}) → 𝑦 ∈ ℕ0) |
54 | 53 | adantl 482 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → 𝑦 ∈ ℕ0) |
55 | | eldifsni 4723 |
. . . . . . . . . . . 12
⊢ (𝑦 ∈ ((0...𝑥) ∖ {𝐷}) → 𝑦 ≠ 𝐷) |
56 | 55 | necomd 2999 |
. . . . . . . . . . 11
⊢ (𝑦 ∈ ((0...𝑥) ∖ {𝐷}) → 𝐷 ≠ 𝑦) |
57 | 56 | adantl 482 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → 𝐷 ≠ 𝑦) |
58 | 20, 4, 5, 6, 7, 8, 9, 49, 50, 51, 54, 57 | coe1tmfv2 21446 |
. . . . . . . . 9
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) = 0 ) |
59 | 58 | oveq1d 7290 |
. . . . . . . 8
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) |
60 | 4, 15, 20 | ringlz 19826 |
. . . . . . . . . . 11
⊢ ((𝑅 ∈ Ring ∧
((coe1‘𝐴)‘(𝑥 − 𝑦)) ∈ 𝐾) → ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
61 | 30, 44, 60 | syl2anc 584 |
. . . . . . . . . 10
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
62 | 52, 61 | sylan2 593 |
. . . . . . . . 9
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
63 | 62 | adantlr 712 |
. . . . . . . 8
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
64 | 59, 63 | eqtrd 2778 |
. . . . . . 7
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) ∧ 𝑦 ∈ ((0...𝑥) ∖ {𝐷})) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
65 | 64, 24 | suppss2 8016 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → ((𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) supp 0 ) ⊆ {𝐷}) |
66 | 4, 20, 23, 24, 29, 48, 65 | gsumpt 19563 |
. . . . 5
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = ((𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))‘𝐷)) |
67 | | fveq2 6774 |
. . . . . . . . 9
⊢ (𝑦 = 𝐷 → ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) = ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷)) |
68 | | oveq2 7283 |
. . . . . . . . . 10
⊢ (𝑦 = 𝐷 → (𝑥 − 𝑦) = (𝑥 − 𝐷)) |
69 | 68 | fveq2d 6778 |
. . . . . . . . 9
⊢ (𝑦 = 𝐷 → ((coe1‘𝐴)‘(𝑥 − 𝑦)) = ((coe1‘𝐴)‘(𝑥 − 𝐷))) |
70 | 67, 69 | oveq12d 7293 |
. . . . . . . 8
⊢ (𝑦 = 𝐷 → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
71 | | eqid 2738 |
. . . . . . . 8
⊢ (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) = (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) |
72 | | ovex 7308 |
. . . . . . . 8
⊢
(((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) ×
((coe1‘𝐴)‘(𝑥 − 𝐷))) ∈ V |
73 | 70, 71, 72 | fvmpt 6875 |
. . . . . . 7
⊢ (𝐷 ∈ (0...𝑥) → ((𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))‘𝐷) = (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
74 | 29, 73 | syl 17 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → ((𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))‘𝐷) = (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
75 | 20, 4, 5, 6, 7, 8, 9 | coe1tmfv1 21445 |
. . . . . . . . 9
⊢ ((𝑅 ∈ Ring ∧ 𝐶 ∈ 𝐾 ∧ 𝐷 ∈ ℕ0) →
((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝐷) = 𝐶) |
76 | 1, 2, 3, 75 | syl3anc 1370 |
. . . . . . . 8
⊢ (𝜑 →
((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝐷) = 𝐶) |
77 | 76 | ad2antrr 723 |
. . . . . . 7
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) = 𝐶) |
78 | 77 | oveq1d 7290 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝐷) ×
((coe1‘𝐴)‘(𝑥 − 𝐷))) = (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
79 | 74, 78 | eqtrd 2778 |
. . . . 5
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → ((𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))‘𝐷) = (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
80 | 66, 79 | eqtrd 2778 |
. . . 4
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝐷 ≤ 𝑥) → (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷)))) |
81 | 1 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → 𝑅 ∈ Ring) |
82 | 2 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → 𝐶 ∈ 𝐾) |
83 | 3 | ad3antrrr 727 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → 𝐷 ∈
ℕ0) |
84 | 35 | adantl 482 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → 𝑦 ∈ ℕ0) |
85 | | elfzle2 13260 |
. . . . . . . . . . . . . . 15
⊢ (𝑦 ∈ (0...𝑥) → 𝑦 ≤ 𝑥) |
86 | 85 | adantl 482 |
. . . . . . . . . . . . . 14
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → 𝑦 ≤ 𝑥) |
87 | | breq1 5077 |
. . . . . . . . . . . . . 14
⊢ (𝐷 = 𝑦 → (𝐷 ≤ 𝑥 ↔ 𝑦 ≤ 𝑥)) |
88 | 86, 87 | syl5ibrcom 246 |
. . . . . . . . . . . . 13
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → (𝐷 = 𝑦 → 𝐷 ≤ 𝑥)) |
89 | 88 | necon3bd 2957 |
. . . . . . . . . . . 12
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) → (¬ 𝐷 ≤ 𝑥 → 𝐷 ≠ 𝑦)) |
90 | 89 | imp 407 |
. . . . . . . . . . 11
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ 𝑦 ∈ (0...𝑥)) ∧ ¬ 𝐷 ≤ 𝑥) → 𝐷 ≠ 𝑦) |
91 | 90 | an32s 649 |
. . . . . . . . . 10
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → 𝐷 ≠ 𝑦) |
92 | 20, 4, 5, 6, 7, 8, 9, 81, 82, 83, 84, 91 | coe1tmfv2 21446 |
. . . . . . . . 9
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → ((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) = 0 ) |
93 | 92 | oveq1d 7290 |
. . . . . . . 8
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) |
94 | 61 | adantlr 712 |
. . . . . . . 8
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → ( 0 ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
95 | 93, 94 | eqtrd 2778 |
. . . . . . 7
⊢ ((((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) ∧ 𝑦 ∈ (0...𝑥)) → (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))) = 0 ) |
96 | 95 | mpteq2dva 5174 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))) = (𝑦 ∈ (0...𝑥) ↦ 0 )) |
97 | 96 | oveq2d 7291 |
. . . . 5
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ 0 ))) |
98 | 1, 22 | syl 17 |
. . . . . . 7
⊢ (𝜑 → 𝑅 ∈ Mnd) |
99 | 98 | ad2antrr 723 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → 𝑅 ∈ Mnd) |
100 | | ovexd 7310 |
. . . . . 6
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → (0...𝑥) ∈ V) |
101 | 20 | gsumz 18474 |
. . . . . 6
⊢ ((𝑅 ∈ Mnd ∧ (0...𝑥) ∈ V) → (𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦ 0 )) = 0 ) |
102 | 99, 100, 101 | syl2anc 584 |
. . . . 5
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ 0 )) = 0 ) |
103 | 97, 102 | eqtrd 2778 |
. . . 4
⊢ (((𝜑 ∧ 𝑥 ∈ ℕ0) ∧ ¬
𝐷 ≤ 𝑥) → (𝑅 Σg (𝑦 ∈ (0...𝑥) ↦ (((coe1‘(𝐶 · (𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = 0 ) |
104 | 18, 19, 80, 103 | ifbothda 4497 |
. . 3
⊢ ((𝜑 ∧ 𝑥 ∈ ℕ0) → (𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦))))) = if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 )) |
105 | 104 | mpteq2dva 5174 |
. 2
⊢ (𝜑 → (𝑥 ∈ ℕ0 ↦ (𝑅 Σg
(𝑦 ∈ (0...𝑥) ↦
(((coe1‘(𝐶
·
(𝐷 ↑ 𝑋)))‘𝑦) ×
((coe1‘𝐴)‘(𝑥 − 𝑦)))))) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ))) |
106 | 17, 105 | eqtrd 2778 |
1
⊢ (𝜑 →
(coe1‘((𝐶
·
(𝐷 ↑ 𝑋)) ∙ 𝐴)) = (𝑥 ∈ ℕ0 ↦ if(𝐷 ≤ 𝑥, (𝐶 ×
((coe1‘𝐴)‘(𝑥 − 𝐷))), 0 ))) |