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Mirrors > Home > MPE Home > Th. List > plyrecj | Structured version Visualization version GIF version |
Description: A polynomial with real coefficients distributes under conjugation. (Contributed by Mario Carneiro, 24-Jul-2014.) |
Ref | Expression |
---|---|
plyrecj | ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (∗‘(𝐹‘𝐴)) = (𝐹‘(∗‘𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | fzfid 13693 | . . . 4 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (0...(deg‘𝐹)) ∈ Fin) | |
2 | 0re 10977 | . . . . . . . . 9 ⊢ 0 ∈ ℝ | |
3 | eqid 2738 | . . . . . . . . . 10 ⊢ (coeff‘𝐹) = (coeff‘𝐹) | |
4 | 3 | coef2 25392 | . . . . . . . . 9 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 0 ∈ ℝ) → (coeff‘𝐹):ℕ0⟶ℝ) |
5 | 2, 4 | mpan2 688 | . . . . . . . 8 ⊢ (𝐹 ∈ (Poly‘ℝ) → (coeff‘𝐹):ℕ0⟶ℝ) |
6 | 5 | adantr 481 | . . . . . . 7 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (coeff‘𝐹):ℕ0⟶ℝ) |
7 | elfznn0 13349 | . . . . . . 7 ⊢ (𝑥 ∈ (0...(deg‘𝐹)) → 𝑥 ∈ ℕ0) | |
8 | ffvelrn 6959 | . . . . . . 7 ⊢ (((coeff‘𝐹):ℕ0⟶ℝ ∧ 𝑥 ∈ ℕ0) → ((coeff‘𝐹)‘𝑥) ∈ ℝ) | |
9 | 6, 7, 8 | syl2an 596 | . . . . . 6 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → ((coeff‘𝐹)‘𝑥) ∈ ℝ) |
10 | 9 | recnd 11003 | . . . . 5 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → ((coeff‘𝐹)‘𝑥) ∈ ℂ) |
11 | simpr 485 | . . . . . 6 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → 𝐴 ∈ ℂ) | |
12 | expcl 13800 | . . . . . 6 ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℕ0) → (𝐴↑𝑥) ∈ ℂ) | |
13 | 11, 7, 12 | syl2an 596 | . . . . 5 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (𝐴↑𝑥) ∈ ℂ) |
14 | 10, 13 | mulcld 10995 | . . . 4 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥)) ∈ ℂ) |
15 | 1, 14 | fsumcj 15522 | . . 3 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (∗‘Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) = Σ𝑥 ∈ (0...(deg‘𝐹))(∗‘(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥)))) |
16 | 10, 13 | cjmuld 14932 | . . . . 5 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (∗‘(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) = ((∗‘((coeff‘𝐹)‘𝑥)) · (∗‘(𝐴↑𝑥)))) |
17 | 9 | cjred 14937 | . . . . . 6 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (∗‘((coeff‘𝐹)‘𝑥)) = ((coeff‘𝐹)‘𝑥)) |
18 | cjexp 14861 | . . . . . . 7 ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℕ0) → (∗‘(𝐴↑𝑥)) = ((∗‘𝐴)↑𝑥)) | |
19 | 11, 7, 18 | syl2an 596 | . . . . . 6 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (∗‘(𝐴↑𝑥)) = ((∗‘𝐴)↑𝑥)) |
20 | 17, 19 | oveq12d 7293 | . . . . 5 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → ((∗‘((coeff‘𝐹)‘𝑥)) · (∗‘(𝐴↑𝑥))) = (((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
21 | 16, 20 | eqtrd 2778 | . . . 4 ⊢ (((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) ∧ 𝑥 ∈ (0...(deg‘𝐹))) → (∗‘(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) = (((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
22 | 21 | sumeq2dv 15415 | . . 3 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → Σ𝑥 ∈ (0...(deg‘𝐹))(∗‘(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) = Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
23 | 15, 22 | eqtrd 2778 | . 2 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (∗‘Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) = Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
24 | eqid 2738 | . . . 4 ⊢ (deg‘𝐹) = (deg‘𝐹) | |
25 | 3, 24 | coeid2 25400 | . . 3 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (𝐹‘𝐴) = Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥))) |
26 | 25 | fveq2d 6778 | . 2 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (∗‘(𝐹‘𝐴)) = (∗‘Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · (𝐴↑𝑥)))) |
27 | cjcl 14816 | . . 3 ⊢ (𝐴 ∈ ℂ → (∗‘𝐴) ∈ ℂ) | |
28 | 3, 24 | coeid2 25400 | . . 3 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ (∗‘𝐴) ∈ ℂ) → (𝐹‘(∗‘𝐴)) = Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
29 | 27, 28 | sylan2 593 | . 2 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (𝐹‘(∗‘𝐴)) = Σ𝑥 ∈ (0...(deg‘𝐹))(((coeff‘𝐹)‘𝑥) · ((∗‘𝐴)↑𝑥))) |
30 | 23, 26, 29 | 3eqtr4d 2788 | 1 ⊢ ((𝐹 ∈ (Poly‘ℝ) ∧ 𝐴 ∈ ℂ) → (∗‘(𝐹‘𝐴)) = (𝐹‘(∗‘𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ⟶wf 6429 ‘cfv 6433 (class class class)co 7275 ℂcc 10869 ℝcr 10870 0cc0 10871 · cmul 10876 ℕ0cn0 12233 ...cfz 13239 ↑cexp 13782 ∗ccj 14807 Σcsu 15397 Polycply 25345 coeffccoe 25347 degcdgr 25348 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-inf2 9399 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 ax-pre-sup 10949 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-rmo 3071 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-se 5545 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-isom 6442 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-of 7533 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-map 8617 df-pm 8618 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-inf 9202 df-oi 9269 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-div 11633 df-nn 11974 df-2 12036 df-3 12037 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-fz 13240 df-fzo 13383 df-fl 13512 df-seq 13722 df-exp 13783 df-hash 14045 df-cj 14810 df-re 14811 df-im 14812 df-sqrt 14946 df-abs 14947 df-clim 15197 df-rlim 15198 df-sum 15398 df-0p 24834 df-ply 25349 df-coe 25351 df-dgr 25352 |
This theorem is referenced by: plyreres 25443 aacjcl 25487 |
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