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| Mirrors > Home > MPE Home > Th. List > mhplss | Structured version Visualization version GIF version | ||
| Description: Homogeneous polynomials form a linear subspace of the polynomials. (Contributed by SN, 25-Sep-2023.) |
| Ref | Expression |
|---|---|
| mhplss.h | ⊢ 𝐻 = (𝐼 mHomP 𝑅) |
| mhplss.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| mhplss.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
| mhplss.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| mhplss.n | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| Ref | Expression |
|---|---|
| mhplss | ⊢ (𝜑 → (𝐻‘𝑁) ∈ (LSubSp‘𝑃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mhplss.h | . . 3 ⊢ 𝐻 = (𝐼 mHomP 𝑅) | |
| 2 | mhplss.p | . . 3 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 3 | mhplss.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
| 4 | mhplss.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 5 | 4 | ringgrpd 20323 | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) |
| 6 | mhplss.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
| 7 | 1, 2, 3, 5, 6 | mhpsubg 22284 | . 2 ⊢ (𝜑 → (𝐻‘𝑁) ∈ (SubGrp‘𝑃)) |
| 8 | eqid 2769 | . . . 4 ⊢ ( ·𝑠 ‘𝑃) = ( ·𝑠 ‘𝑃) | |
| 9 | eqid 2769 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 10 | 4 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑅 ∈ Ring) |
| 11 | 2, 3, 4 | mplsca 22130 | . . . . . . . 8 ⊢ (𝜑 → 𝑅 = (Scalar‘𝑃)) |
| 12 | 11 | fveq2d 6886 | . . . . . . 7 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(Scalar‘𝑃))) |
| 13 | 12 | eqimsscd 4002 | . . . . . 6 ⊢ (𝜑 → (Base‘(Scalar‘𝑃)) ⊆ (Base‘𝑅)) |
| 14 | 13 | sselda 3945 | . . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝑃))) → 𝑎 ∈ (Base‘𝑅)) |
| 15 | 14 | adantrr 729 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑎 ∈ (Base‘𝑅)) |
| 16 | simprr 784 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑏 ∈ (𝐻‘𝑁)) | |
| 17 | 1, 2, 8, 9, 10, 15, 16 | mhpvscacl 22285 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → (𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)) |
| 18 | 17 | ralrimivva 3214 | . 2 ⊢ (𝜑 → ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)) |
| 19 | 2, 3, 4 | mpllmodd 22142 | . . 3 ⊢ (𝜑 → 𝑃 ∈ LMod) |
| 20 | eqid 2769 | . . . 4 ⊢ (Scalar‘𝑃) = (Scalar‘𝑃) | |
| 21 | eqid 2769 | . . . 4 ⊢ (Base‘(Scalar‘𝑃)) = (Base‘(Scalar‘𝑃)) | |
| 22 | eqid 2769 | . . . 4 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 23 | eqid 2769 | . . . 4 ⊢ (LSubSp‘𝑃) = (LSubSp‘𝑃) | |
| 24 | 20, 21, 22, 8, 23 | islss4 21060 | . . 3 ⊢ (𝑃 ∈ LMod → ((𝐻‘𝑁) ∈ (LSubSp‘𝑃) ↔ ((𝐻‘𝑁) ∈ (SubGrp‘𝑃) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)))) |
| 25 | 19, 24 | syl 18 | . 2 ⊢ (𝜑 → ((𝐻‘𝑁) ∈ (LSubSp‘𝑃) ↔ ((𝐻‘𝑁) ∈ (SubGrp‘𝑃) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)))) |
| 26 | 7, 18, 25 | mpbir2and 725 | 1 ⊢ (𝜑 → (𝐻‘𝑁) ∈ (LSubSp‘𝑃)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 209 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∀wral 3085 ‘cfv 6537 (class class class)co 7411 ℕ0cn0 12503 Basecbs 17268 Scalarcsca 17312 ·𝑠 cvsca 17313 SubGrpcsubg 19185 Ringcrg 20314 LModclmod 20958 LSubSpclss 21029 mPoly cmpl 22024 mHomP cmhp 22264 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11155 ax-resscn 11156 ax-1cn 11157 ax-icn 11158 ax-addcl 11159 ax-addrcl 11160 ax-mulcl 11161 ax-mulrcl 11162 ax-mulcom 11163 ax-addass 11164 ax-mulass 11165 ax-distr 11166 ax-i2m1 11167 ax-1ne0 11168 ax-1rid 11169 ax-rnegex 11170 ax-rrecex 11171 ax-cnre 11172 ax-pre-lttri 11173 ax-pre-lttrn 11174 ax-pre-ltadd 11175 ax-pre-mulgt0 11176 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7675 df-om 7862 df-1st 7985 df-2nd 7986 df-supp 8156 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8452 df-er 8693 df-map 8825 df-ixp 8895 df-en 8943 df-dom 8944 df-sdom 8945 df-fin 8946 df-fsupp 9321 df-sup 9401 df-pnf 11244 df-mnf 11245 df-xr 11246 df-ltxr 11247 df-le 11248 df-sub 11442 df-neg 11443 df-nn 12233 df-2 12302 df-3 12303 df-4 12304 df-5 12305 df-6 12306 df-7 12307 df-8 12308 df-9 12309 df-n0 12504 df-z 12591 df-dec 12711 df-uz 12862 df-fz 13535 df-struct 17206 df-sets 17223 df-slot 17241 df-ndx 17253 df-base 17269 df-ress 17290 df-plusg 17322 df-mulr 17323 df-sca 17325 df-vsca 17326 df-ip 17327 df-tset 17328 df-ple 17329 df-ds 17331 df-hom 17333 df-cco 17334 df-0g 17493 df-prds 17499 df-pws 17501 df-mgm 18697 df-sgrp 18776 df-mnd 18792 df-grp 19002 df-minusg 19003 df-sbg 19004 df-subg 19188 df-cmn 19851 df-abl 19852 df-mgp 20216 df-rng 20230 df-ur 20263 df-ring 20316 df-lmod 20960 df-lss 21030 df-psr 22027 df-mpl 22029 df-mhp 22267 |
| This theorem is referenced by: (None) |
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