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| Mirrors > Home > MPE Home > Th. List > evl1rhm | Structured version Visualization version GIF version | ||
| Description: Polynomial evaluation is a homomorphism (into the product ring). (Contributed by Mario Carneiro, 12-Jun-2015.) (Proof shortened by AV, 13-Sep-2019.) |
| Ref | Expression |
|---|---|
| evl1rhm.q | ⊢ 𝑂 = (eval1‘𝑅) |
| evl1rhm.w | ⊢ 𝑃 = (Poly1‘𝑅) |
| evl1rhm.t | ⊢ 𝑇 = (𝑅 ↑s 𝐵) |
| evl1rhm.b | ⊢ 𝐵 = (Base‘𝑅) |
| Ref | Expression |
|---|---|
| evl1rhm | ⊢ (𝑅 ∈ CRing → 𝑂 ∈ (𝑃 RingHom 𝑇)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | evl1rhm.q | . . 3 ⊢ 𝑂 = (eval1‘𝑅) | |
| 2 | eqid 2763 | . . 3 ⊢ (1o eval 𝑅) = (1o eval 𝑅) | |
| 3 | evl1rhm.b | . . 3 ⊢ 𝐵 = (Base‘𝑅) | |
| 4 | 1, 2, 3 | evl1fval 22488 | . 2 ⊢ 𝑂 = ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (1o eval 𝑅)) |
| 5 | evl1rhm.t | . . . 4 ⊢ 𝑇 = (𝑅 ↑s 𝐵) | |
| 6 | eqid 2763 | . . . 4 ⊢ (𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) = (𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) | |
| 7 | 3, 5, 6 | evls1rhmlem 22481 | . . 3 ⊢ (𝑅 ∈ CRing → (𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∈ ((𝑅 ↑s (𝐵 ↑m 1o)) RingHom 𝑇)) |
| 8 | 1on 8462 | . . . . 5 ⊢ 1o ∈ On | |
| 9 | eqid 2763 | . . . . . 6 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
| 10 | eqid 2763 | . . . . . 6 ⊢ (𝑅 ↑s (𝐵 ↑m 1o)) = (𝑅 ↑s (𝐵 ↑m 1o)) | |
| 11 | 2, 3, 9, 10 | evlrhm 22252 | . . . . 5 ⊢ ((1o ∈ On ∧ 𝑅 ∈ CRing) → (1o eval 𝑅) ∈ ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
| 12 | 8, 11 | mpan 702 | . . . 4 ⊢ (𝑅 ∈ CRing → (1o eval 𝑅) ∈ ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
| 13 | eqidd 2764 | . . . . 5 ⊢ (𝑅 ∈ CRing → (Base‘𝑃) = (Base‘𝑃)) | |
| 14 | eqidd 2764 | . . . . 5 ⊢ (𝑅 ∈ CRing → (Base‘(𝑅 ↑s (𝐵 ↑m 1o))) = (Base‘(𝑅 ↑s (𝐵 ↑m 1o)))) | |
| 15 | evl1rhm.w | . . . . . . 7 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 16 | eqid 2763 | . . . . . . 7 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 17 | 15, 16 | ply1bas 22355 | . . . . . 6 ⊢ (Base‘𝑃) = (Base‘(1o mPoly 𝑅)) |
| 18 | 17 | a1i 11 | . . . . 5 ⊢ (𝑅 ∈ CRing → (Base‘𝑃) = (Base‘(1o mPoly 𝑅))) |
| 19 | eqid 2763 | . . . . . . . 8 ⊢ (+g‘𝑃) = (+g‘𝑃) | |
| 20 | 15, 9, 19 | ply1plusg 22383 | . . . . . . 7 ⊢ (+g‘𝑃) = (+g‘(1o mPoly 𝑅)) |
| 21 | 20 | a1i 11 | . . . . . 6 ⊢ (𝑅 ∈ CRing → (+g‘𝑃) = (+g‘(1o mPoly 𝑅))) |
| 22 | 21 | oveqdr 7438 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘𝑃) ∧ 𝑦 ∈ (Base‘𝑃))) → (𝑥(+g‘𝑃)𝑦) = (𝑥(+g‘(1o mPoly 𝑅))𝑦)) |
| 23 | eqidd 2764 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘(𝑅 ↑s (𝐵 ↑m 1o))) ∧ 𝑦 ∈ (Base‘(𝑅 ↑s (𝐵 ↑m 1o))))) → (𝑥(+g‘(𝑅 ↑s (𝐵 ↑m 1o)))𝑦) = (𝑥(+g‘(𝑅 ↑s (𝐵 ↑m 1o)))𝑦)) | |
| 24 | eqid 2763 | . . . . . . . 8 ⊢ (.r‘𝑃) = (.r‘𝑃) | |
| 25 | 15, 9, 24 | ply1mulr 22385 | . . . . . . 7 ⊢ (.r‘𝑃) = (.r‘(1o mPoly 𝑅)) |
| 26 | 25 | a1i 11 | . . . . . 6 ⊢ (𝑅 ∈ CRing → (.r‘𝑃) = (.r‘(1o mPoly 𝑅))) |
| 27 | 26 | oveqdr 7438 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘𝑃) ∧ 𝑦 ∈ (Base‘𝑃))) → (𝑥(.r‘𝑃)𝑦) = (𝑥(.r‘(1o mPoly 𝑅))𝑦)) |
| 28 | eqidd 2764 | . . . . 5 ⊢ ((𝑅 ∈ CRing ∧ (𝑥 ∈ (Base‘(𝑅 ↑s (𝐵 ↑m 1o))) ∧ 𝑦 ∈ (Base‘(𝑅 ↑s (𝐵 ↑m 1o))))) → (𝑥(.r‘(𝑅 ↑s (𝐵 ↑m 1o)))𝑦) = (𝑥(.r‘(𝑅 ↑s (𝐵 ↑m 1o)))𝑦)) | |
| 29 | 13, 14, 18, 14, 22, 23, 27, 28 | rhmpropd 20708 | . . . 4 ⊢ (𝑅 ∈ CRing → (𝑃 RingHom (𝑅 ↑s (𝐵 ↑m 1o))) = ((1o mPoly 𝑅) RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
| 30 | 12, 29 | eleqtrrd 2866 | . . 3 ⊢ (𝑅 ∈ CRing → (1o eval 𝑅) ∈ (𝑃 RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) |
| 31 | rhmco 20587 | . . 3 ⊢ (((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∈ ((𝑅 ↑s (𝐵 ↑m 1o)) RingHom 𝑇) ∧ (1o eval 𝑅) ∈ (𝑃 RingHom (𝑅 ↑s (𝐵 ↑m 1o)))) → ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (1o eval 𝑅)) ∈ (𝑃 RingHom 𝑇)) | |
| 32 | 7, 30, 31 | syl2anc 595 | . 2 ⊢ (𝑅 ∈ CRing → ((𝑥 ∈ (𝐵 ↑m (𝐵 ↑m 1o)) ↦ (𝑥 ∘ (𝑦 ∈ 𝐵 ↦ (1o × {𝑦})))) ∘ (1o eval 𝑅)) ∈ (𝑃 RingHom 𝑇)) |
| 33 | 4, 32 | eqeltrid 2867 | 1 ⊢ (𝑅 ∈ CRing → 𝑂 ∈ (𝑃 RingHom 𝑇)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1570 ∈ wcel 2143 {csn 4589 ↦ cmpt 5192 × cxp 5659 ∘ ccom 5665 Oncon0 6360 ‘cfv 6536 (class class class)co 7410 1oc1o 8442 ↑m cmap 8820 Basecbs 17264 +gcplusg 17305 .rcmulr 17306 ↑s cpws 17494 CRingccrg 20311 RingHom crh 20547 mPoly cmpl 22056 eval cevl 22224 Poly1cpl1 22337 eval1ce1 22474 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-rep 5238 ax-sep 5257 ax-nul 5269 ax-pow 5336 ax-pr 5404 ax-un 7732 ax-cnex 11151 ax-resscn 11152 ax-1cn 11153 ax-icn 11154 ax-addcl 11155 ax-addrcl 11156 ax-mulcl 11157 ax-mulrcl 11158 ax-mulcom 11159 ax-addass 11160 ax-mulass 11161 ax-distr 11162 ax-i2m1 11163 ax-1ne0 11164 ax-1rid 11165 ax-rnegex 11166 ax-rrecex 11167 ax-cnre 11168 ax-pre-lttri 11169 ax-pre-lttrn 11170 ax-pre-ltadd 11171 ax-pre-mulgt0 11172 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ne 2959 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3457 df-sbc 3745 df-csb 3854 df-dif 3908 df-un 3910 df-in 3912 df-ss 3922 df-pss 3925 df-nul 4287 df-if 4488 df-pw 4564 df-sn 4590 df-pr 4592 df-tp 4594 df-op 4596 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5110 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5556 df-eprel 5561 df-po 5569 df-so 5570 df-fr 5614 df-se 5615 df-we 5616 df-xp 5667 df-rel 5668 df-cnv 5669 df-co 5670 df-dm 5671 df-rn 5672 df-res 5673 df-ima 5674 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7367 df-ov 7413 df-oprab 7414 df-mpo 7415 df-of 7674 df-ofr 7675 df-om 7859 df-1st 7982 df-2nd 7983 df-supp 8153 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-2o 8450 df-er 8690 df-map 8822 df-pm 8823 df-ixp 8892 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-fsupp 9318 df-sup 9398 df-oi 9468 df-card 9921 df-pnf 11240 df-mnf 11241 df-xr 11242 df-ltxr 11243 df-le 11244 df-sub 11438 df-neg 11439 df-nn 12229 df-2 12298 df-3 12299 df-4 12300 df-5 12301 df-6 12302 df-7 12303 df-8 12304 df-9 12305 df-n0 12500 df-z 12587 df-dec 12707 df-uz 12858 df-fz 13531 df-fzo 13679 df-seq 14034 df-hash 14363 df-struct 17202 df-sets 17219 df-slot 17237 df-ndx 17249 df-base 17265 df-ress 17286 df-plusg 17318 df-mulr 17319 df-sca 17321 df-vsca 17322 df-ip 17323 df-tset 17324 df-ple 17325 df-ds 17327 df-hom 17329 df-cco 17330 df-0g 17489 df-gsum 17490 df-prds 17495 df-pws 17497 df-mre 17633 df-mrc 17634 df-acs 17636 df-mgm 18693 df-sgrp 18772 df-mnd 18788 df-mhm 18836 df-submnd 18837 df-grp 18998 df-minusg 18999 df-sbg 19000 df-mulg 19129 df-subg 19184 df-ghm 19279 df-cntz 19382 df-cmn 19847 df-abl 19848 df-mgp 20212 df-rng 20226 df-ur 20259 df-srg 20264 df-ring 20312 df-cring 20313 df-rhm 20550 df-subrng 20645 df-subrg 20669 df-lmod 20983 df-lss 21053 df-lsp 21093 df-assa 22003 df-asp 22004 df-ascl 22005 df-psr 22059 df-mvr 22060 df-mpl 22061 df-opsr 22063 df-evls 22225 df-evl 22226 df-psr1 22340 df-ply1 22342 df-evl1 22476 |
| This theorem is referenced by: fveval1fvcl 22493 evl1addd 22501 evl1subd 22502 evl1muld 22503 evl1expd 22505 pf1const 22506 pf1id 22507 pf1subrg 22508 mpfpf1 22511 pf1mpf 22512 evl1gsummul 22520 evl1scvarpw 22523 ressply1evl 22530 ply1remlem 26322 ply1rem 26323 fta1glem1 26325 fta1glem2 26326 fta1g 26327 fta1blem 26328 idomrootle 26330 plypf1 26369 lgsqrlem2 27511 lgsqrlem3 27512 evl1fvf 33853 irngss 34077 pl1cn 34345 aks6d1c2lem4 42894 aks6d1c6lem2 42938 |
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