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Mirrors > Home > MPE Home > Th. List > ply1term | Structured version Visualization version GIF version |
Description: A one-term polynomial. (Contributed by Mario Carneiro, 17-Jul-2014.) |
Ref | Expression |
---|---|
ply1term.1 | ⊢ 𝐹 = (𝑧 ∈ ℂ ↦ (𝐴 · (𝑧↑𝑁))) |
Ref | Expression |
---|---|
ply1term | ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝐹 ∈ (Poly‘𝑆)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ssel2 3912 | . . . 4 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆) → 𝐴 ∈ ℂ) | |
2 | ply1term.1 | . . . . 5 ⊢ 𝐹 = (𝑧 ∈ ℂ ↦ (𝐴 · (𝑧↑𝑁))) | |
3 | 2 | ply1termlem 25269 | . . . 4 ⊢ ((𝐴 ∈ ℂ ∧ 𝑁 ∈ ℕ0) → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)(if(𝑘 = 𝑁, 𝐴, 0) · (𝑧↑𝑘)))) |
4 | 1, 3 | stoic3 1780 | . . 3 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝐹 = (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)(if(𝑘 = 𝑁, 𝐴, 0) · (𝑧↑𝑘)))) |
5 | simp1 1134 | . . . . 5 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝑆 ⊆ ℂ) | |
6 | 0cnd 10899 | . . . . . 6 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 0 ∈ ℂ) | |
7 | 6 | snssd 4739 | . . . . 5 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → {0} ⊆ ℂ) |
8 | 5, 7 | unssd 4116 | . . . 4 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → (𝑆 ∪ {0}) ⊆ ℂ) |
9 | simp3 1136 | . . . 4 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝑁 ∈ ℕ0) | |
10 | simpl2 1190 | . . . . . 6 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) ∧ 𝑘 ∈ (0...𝑁)) → 𝐴 ∈ 𝑆) | |
11 | elun1 4106 | . . . . . 6 ⊢ (𝐴 ∈ 𝑆 → 𝐴 ∈ (𝑆 ∪ {0})) | |
12 | 10, 11 | syl 17 | . . . . 5 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) ∧ 𝑘 ∈ (0...𝑁)) → 𝐴 ∈ (𝑆 ∪ {0})) |
13 | ssun2 4103 | . . . . . 6 ⊢ {0} ⊆ (𝑆 ∪ {0}) | |
14 | c0ex 10900 | . . . . . . 7 ⊢ 0 ∈ V | |
15 | 14 | snss 4716 | . . . . . 6 ⊢ (0 ∈ (𝑆 ∪ {0}) ↔ {0} ⊆ (𝑆 ∪ {0})) |
16 | 13, 15 | mpbir 230 | . . . . 5 ⊢ 0 ∈ (𝑆 ∪ {0}) |
17 | ifcl 4501 | . . . . 5 ⊢ ((𝐴 ∈ (𝑆 ∪ {0}) ∧ 0 ∈ (𝑆 ∪ {0})) → if(𝑘 = 𝑁, 𝐴, 0) ∈ (𝑆 ∪ {0})) | |
18 | 12, 16, 17 | sylancl 585 | . . . 4 ⊢ (((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) ∧ 𝑘 ∈ (0...𝑁)) → if(𝑘 = 𝑁, 𝐴, 0) ∈ (𝑆 ∪ {0})) |
19 | 8, 9, 18 | elplyd 25268 | . . 3 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → (𝑧 ∈ ℂ ↦ Σ𝑘 ∈ (0...𝑁)(if(𝑘 = 𝑁, 𝐴, 0) · (𝑧↑𝑘))) ∈ (Poly‘(𝑆 ∪ {0}))) |
20 | 4, 19 | eqeltrd 2839 | . 2 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝐹 ∈ (Poly‘(𝑆 ∪ {0}))) |
21 | plyun0 25263 | . 2 ⊢ (Poly‘(𝑆 ∪ {0})) = (Poly‘𝑆) | |
22 | 20, 21 | eleqtrdi 2849 | 1 ⊢ ((𝑆 ⊆ ℂ ∧ 𝐴 ∈ 𝑆 ∧ 𝑁 ∈ ℕ0) → 𝐹 ∈ (Poly‘𝑆)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 ∧ w3a 1085 = wceq 1539 ∈ wcel 2108 ∪ cun 3881 ⊆ wss 3883 ifcif 4456 {csn 4558 ↦ cmpt 5153 ‘cfv 6418 (class class class)co 7255 ℂcc 10800 0cc0 10802 · cmul 10807 ℕ0cn0 12163 ...cfz 13168 ↑cexp 13710 Σcsu 15325 Polycply 25250 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-inf2 9329 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 ax-pre-sup 10880 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-sup 9131 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-div 11563 df-nn 11904 df-2 11966 df-3 11967 df-n0 12164 df-z 12250 df-uz 12512 df-rp 12660 df-fz 13169 df-fzo 13312 df-seq 13650 df-exp 13711 df-hash 13973 df-cj 14738 df-re 14739 df-im 14740 df-sqrt 14874 df-abs 14875 df-clim 15125 df-sum 15326 df-ply 25254 |
This theorem is referenced by: plypow 25271 plyconst 25272 coe1termlem 25324 dgrcolem2 25340 plydivlem4 25361 |
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