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Mirrors > Home > MPE Home > Th. List > coe0 | Structured version Visualization version GIF version |
Description: The coefficients of the zero polynomial are zero. (Contributed by Mario Carneiro, 22-Jul-2014.) |
Ref | Expression |
---|---|
coe0 | ⊢ (coeff‘0𝑝) = (ℕ0 × {0}) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | 0cnd 10634 | . . . 4 ⊢ (⊤ → 0 ∈ ℂ) | |
2 | ssid 3989 | . . . . 5 ⊢ ℂ ⊆ ℂ | |
3 | ply0 24798 | . . . . 5 ⊢ (ℂ ⊆ ℂ → 0𝑝 ∈ (Poly‘ℂ)) | |
4 | 2, 3 | ax-mp 5 | . . . 4 ⊢ 0𝑝 ∈ (Poly‘ℂ) |
5 | coemulc 24845 | . . . 4 ⊢ ((0 ∈ ℂ ∧ 0𝑝 ∈ (Poly‘ℂ)) → (coeff‘((ℂ × {0}) ∘f · 0𝑝)) = ((ℕ0 × {0}) ∘f · (coeff‘0𝑝))) | |
6 | 1, 4, 5 | sylancl 588 | . . 3 ⊢ (⊤ → (coeff‘((ℂ × {0}) ∘f · 0𝑝)) = ((ℕ0 × {0}) ∘f · (coeff‘0𝑝))) |
7 | cnex 10618 | . . . . . . 7 ⊢ ℂ ∈ V | |
8 | 7 | a1i 11 | . . . . . 6 ⊢ (⊤ → ℂ ∈ V) |
9 | plyf 24788 | . . . . . . 7 ⊢ (0𝑝 ∈ (Poly‘ℂ) → 0𝑝:ℂ⟶ℂ) | |
10 | 4, 9 | mp1i 13 | . . . . . 6 ⊢ (⊤ → 0𝑝:ℂ⟶ℂ) |
11 | mul02 10818 | . . . . . . 7 ⊢ (𝑥 ∈ ℂ → (0 · 𝑥) = 0) | |
12 | 11 | adantl 484 | . . . . . 6 ⊢ ((⊤ ∧ 𝑥 ∈ ℂ) → (0 · 𝑥) = 0) |
13 | 8, 10, 1, 1, 12 | caofid2 7440 | . . . . 5 ⊢ (⊤ → ((ℂ × {0}) ∘f · 0𝑝) = (ℂ × {0})) |
14 | df-0p 24271 | . . . . 5 ⊢ 0𝑝 = (ℂ × {0}) | |
15 | 13, 14 | syl6eqr 2874 | . . . 4 ⊢ (⊤ → ((ℂ × {0}) ∘f · 0𝑝) = 0𝑝) |
16 | 15 | fveq2d 6674 | . . 3 ⊢ (⊤ → (coeff‘((ℂ × {0}) ∘f · 0𝑝)) = (coeff‘0𝑝)) |
17 | nn0ex 11904 | . . . . 5 ⊢ ℕ0 ∈ V | |
18 | 17 | a1i 11 | . . . 4 ⊢ (⊤ → ℕ0 ∈ V) |
19 | eqid 2821 | . . . . . 6 ⊢ (coeff‘0𝑝) = (coeff‘0𝑝) | |
20 | 19 | coef3 24822 | . . . . 5 ⊢ (0𝑝 ∈ (Poly‘ℂ) → (coeff‘0𝑝):ℕ0⟶ℂ) |
21 | 4, 20 | mp1i 13 | . . . 4 ⊢ (⊤ → (coeff‘0𝑝):ℕ0⟶ℂ) |
22 | 18, 21, 1, 1, 12 | caofid2 7440 | . . 3 ⊢ (⊤ → ((ℕ0 × {0}) ∘f · (coeff‘0𝑝)) = (ℕ0 × {0})) |
23 | 6, 16, 22 | 3eqtr3d 2864 | . 2 ⊢ (⊤ → (coeff‘0𝑝) = (ℕ0 × {0})) |
24 | 23 | mptru 1544 | 1 ⊢ (coeff‘0𝑝) = (ℕ0 × {0}) |
Colors of variables: wff setvar class |
Syntax hints: = wceq 1537 ⊤wtru 1538 ∈ wcel 2114 Vcvv 3494 ⊆ wss 3936 {csn 4567 × cxp 5553 ⟶wf 6351 ‘cfv 6355 (class class class)co 7156 ∘f cof 7407 ℂcc 10535 0cc0 10537 · cmul 10542 ℕ0cn0 11898 0𝑝c0p 24270 Polycply 24774 coeffccoe 24776 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2116 ax-9 2124 ax-10 2145 ax-11 2161 ax-12 2177 ax-ext 2793 ax-rep 5190 ax-sep 5203 ax-nul 5210 ax-pow 5266 ax-pr 5330 ax-un 7461 ax-inf2 9104 ax-cnex 10593 ax-resscn 10594 ax-1cn 10595 ax-icn 10596 ax-addcl 10597 ax-addrcl 10598 ax-mulcl 10599 ax-mulrcl 10600 ax-mulcom 10601 ax-addass 10602 ax-mulass 10603 ax-distr 10604 ax-i2m1 10605 ax-1ne0 10606 ax-1rid 10607 ax-rnegex 10608 ax-rrecex 10609 ax-cnre 10610 ax-pre-lttri 10611 ax-pre-lttrn 10612 ax-pre-ltadd 10613 ax-pre-mulgt0 10614 ax-pre-sup 10615 ax-addf 10616 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1540 df-fal 1550 df-ex 1781 df-nf 1785 df-sb 2070 df-mo 2622 df-eu 2654 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3496 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4568 df-pr 4570 df-tp 4572 df-op 4574 df-uni 4839 df-int 4877 df-iun 4921 df-br 5067 df-opab 5129 df-mpt 5147 df-tr 5173 df-id 5460 df-eprel 5465 df-po 5474 df-so 5475 df-fr 5514 df-se 5515 df-we 5516 df-xp 5561 df-rel 5562 df-cnv 5563 df-co 5564 df-dm 5565 df-rn 5566 df-res 5567 df-ima 5568 df-pred 6148 df-ord 6194 df-on 6195 df-lim 6196 df-suc 6197 df-iota 6314 df-fun 6357 df-fn 6358 df-f 6359 df-f1 6360 df-fo 6361 df-f1o 6362 df-fv 6363 df-isom 6364 df-riota 7114 df-ov 7159 df-oprab 7160 df-mpo 7161 df-of 7409 df-om 7581 df-1st 7689 df-2nd 7690 df-wrecs 7947 df-recs 8008 df-rdg 8046 df-1o 8102 df-oadd 8106 df-er 8289 df-map 8408 df-pm 8409 df-en 8510 df-dom 8511 df-sdom 8512 df-fin 8513 df-sup 8906 df-inf 8907 df-oi 8974 df-card 9368 df-pnf 10677 df-mnf 10678 df-xr 10679 df-ltxr 10680 df-le 10681 df-sub 10872 df-neg 10873 df-div 11298 df-nn 11639 df-2 11701 df-3 11702 df-n0 11899 df-z 11983 df-uz 12245 df-rp 12391 df-fz 12894 df-fzo 13035 df-fl 13163 df-seq 13371 df-exp 13431 df-hash 13692 df-cj 14458 df-re 14459 df-im 14460 df-sqrt 14594 df-abs 14595 df-clim 14845 df-rlim 14846 df-sum 15043 df-0p 24271 df-ply 24778 df-coe 24780 df-dgr 24781 |
This theorem is referenced by: dgreq0 24855 dgrlt 24856 plymul0or 24870 plydivlem4 24885 plymulx 31818 mncn0 39759 aaitgo 39782 n0p 41325 elaa2 42539 aacllem 44922 |
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