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| Mirrors > Home > ILE Home > Th. List > mplgrpfi | GIF version | ||
| Description: The polynomial ring is a group. (Contributed by Mario Carneiro, 9-Jan-2015.) |
| Ref | Expression |
|---|---|
| mplgrp.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| Ref | Expression |
|---|---|
| mplgrpfi | ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mplgrp.p | . . 3 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 2 | eqid 2234 | . . 3 ⊢ (𝐼 mPwSer 𝑅) = (𝐼 mPwSer 𝑅) | |
| 3 | eqid 2234 | . . 3 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 4 | 1, 2, 3 | mplval2g 14979 | . 2 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → 𝑃 = ((𝐼 mPwSer 𝑅) ↾s (Base‘𝑃))) |
| 5 | simpl 109 | . . . 4 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → 𝐼 ∈ Fin) | |
| 6 | simpr 110 | . . . 4 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → 𝑅 ∈ Grp) | |
| 7 | 2, 1, 3, 5, 6 | mplsubgfi 14985 | . . 3 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → (Base‘𝑃) ∈ (SubGrp‘(𝐼 mPwSer 𝑅))) |
| 8 | eqid 2234 | . . . 4 ⊢ ((𝐼 mPwSer 𝑅) ↾s (Base‘𝑃)) = ((𝐼 mPwSer 𝑅) ↾s (Base‘𝑃)) | |
| 9 | 8 | subggrp 13933 | . . 3 ⊢ ((Base‘𝑃) ∈ (SubGrp‘(𝐼 mPwSer 𝑅)) → ((𝐼 mPwSer 𝑅) ↾s (Base‘𝑃)) ∈ Grp) |
| 10 | 7, 9 | syl 14 | . 2 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → ((𝐼 mPwSer 𝑅) ↾s (Base‘𝑃)) ∈ Grp) |
| 11 | 4, 10 | eqeltrd 2311 | 1 ⊢ ((𝐼 ∈ Fin ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
| Colors of variables: wff set class |
| Syntax hints: → wi 4 ∧ wa 104 = wceq 1398 ∈ wcel 2205 ‘cfv 5357 (class class class)co 6058 Fincfn 6988 Basecbs 13299 ↾s cress 13300 Grpcgrp 13758 SubGrpcsubg 13923 mPwSer cmps 14938 mPoly cmpl 14939 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 619 ax-in2 620 ax-io 717 ax-5 1496 ax-7 1497 ax-gen 1498 ax-ie1 1542 ax-ie2 1543 ax-8 1553 ax-10 1554 ax-11 1555 ax-i12 1556 ax-bndl 1558 ax-4 1559 ax-17 1575 ax-i9 1579 ax-ial 1583 ax-i5r 1584 ax-13 2207 ax-14 2208 ax-ext 2216 ax-coll 4230 ax-sep 4233 ax-nul 4241 ax-pow 4292 ax-pr 4327 ax-un 4559 ax-setind 4664 ax-iinf 4715 ax-cnex 8234 ax-resscn 8235 ax-1cn 8236 ax-1re 8237 ax-icn 8238 ax-addcl 8239 ax-addrcl 8240 ax-mulcl 8241 ax-addcom 8243 ax-mulcom 8244 ax-addass 8245 ax-mulass 8246 ax-distr 8247 ax-i2m1 8248 ax-0lt1 8249 ax-1rid 8250 ax-0id 8251 ax-rnegex 8252 ax-cnre 8254 ax-pre-ltirr 8255 ax-pre-ltwlin 8256 ax-pre-lttrn 8257 ax-pre-apti 8258 ax-pre-ltadd 8259 |
| This theorem depends on definitions: df-bi 117 df-dc 843 df-3or 1006 df-3an 1007 df-tru 1401 df-fal 1404 df-nf 1510 df-sb 1812 df-eu 2085 df-mo 2086 df-clab 2221 df-cleq 2227 df-clel 2230 df-nfc 2375 df-ne 2415 df-nel 2510 df-ral 2527 df-rex 2528 df-reu 2529 df-rmo 2530 df-rab 2531 df-v 2817 df-sbc 3046 df-csb 3142 df-dif 3216 df-un 3218 df-in 3220 df-ss 3227 df-nul 3513 df-if 3625 df-pw 3676 df-sn 3700 df-pr 3701 df-tp 3702 df-op 3703 df-uni 3920 df-int 3955 df-iun 3998 df-br 4115 df-opab 4177 df-mpt 4178 df-tr 4214 df-id 4419 df-iord 4492 df-on 4494 df-suc 4497 df-iom 4718 df-xp 4760 df-rel 4761 df-cnv 4762 df-co 4763 df-dm 4764 df-rn 4765 df-res 4766 df-ima 4767 df-iota 5317 df-fun 5359 df-fn 5360 df-f 5361 df-f1 5362 df-fo 5363 df-f1o 5364 df-fv 5365 df-riota 6011 df-ov 6061 df-oprab 6062 df-mpo 6063 df-of 6275 df-1st 6347 df-2nd 6348 df-1o 6660 df-er 6780 df-map 6897 df-ixp 6947 df-en 6989 df-fin 6991 df-sup 7288 df-pnf 8326 df-mnf 8327 df-xr 8328 df-ltxr 8329 df-le 8330 df-sub 8463 df-neg 8464 df-inn 9258 df-2 9316 df-3 9317 df-4 9318 df-5 9319 df-6 9320 df-7 9321 df-8 9322 df-9 9323 df-n0 9517 df-z 9598 df-dec 9731 df-uz 9875 df-fz 10365 df-struct 13301 df-ndx 13302 df-slot 13303 df-base 13305 df-sets 13306 df-iress 13307 df-plusg 13390 df-mulr 13391 df-sca 13393 df-vsca 13394 df-ip 13395 df-tset 13396 df-ple 13397 df-ds 13399 df-hom 13401 df-cco 13402 df-rest 13541 df-topn 13542 df-0g 13558 df-topgen 13560 df-pt 13561 df-mgm 13622 df-sgrp 13668 df-mnd 13681 df-grp 13761 df-minusg 13762 df-subg 13926 df-prds 14115 df-pws 14148 df-psr 14940 df-mplcoe 14941 |
| This theorem is referenced by: (None) |
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