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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 | ringgrp 19298 | . . . 4 ⊢ (𝑅 ∈ Ring → 𝑅 ∈ Grp) | |
6 | 4, 5 | syl 17 | . . 3 ⊢ (𝜑 → 𝑅 ∈ Grp) |
7 | mhplss.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
8 | 1, 2, 3, 6, 7 | mhpsubg 20336 | . 2 ⊢ (𝜑 → (𝐻‘𝑁) ∈ (SubGrp‘𝑃)) |
9 | eqid 2820 | . . . 4 ⊢ ( ·𝑠 ‘𝑃) = ( ·𝑠 ‘𝑃) | |
10 | eqid 2820 | . . . 4 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
11 | 3 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝐼 ∈ 𝑉) |
12 | 4 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑅 ∈ Ring) |
13 | 7 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑁 ∈ ℕ0) |
14 | 2, 3, 4 | mplsca 20221 | . . . . . . . 8 ⊢ (𝜑 → 𝑅 = (Scalar‘𝑃)) |
15 | 14 | fveq2d 6671 | . . . . . . 7 ⊢ (𝜑 → (Base‘𝑅) = (Base‘(Scalar‘𝑃))) |
16 | 15 | eleq2d 2897 | . . . . . 6 ⊢ (𝜑 → (𝑎 ∈ (Base‘𝑅) ↔ 𝑎 ∈ (Base‘(Scalar‘𝑃)))) |
17 | 16 | biimpar 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑎 ∈ (Base‘(Scalar‘𝑃))) → 𝑎 ∈ (Base‘𝑅)) |
18 | 17 | adantrr 715 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑎 ∈ (Base‘𝑅)) |
19 | simprr 771 | . . . 4 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → 𝑏 ∈ (𝐻‘𝑁)) | |
20 | 1, 2, 9, 10, 11, 12, 13, 18, 19 | mhpvscacl 20337 | . . 3 ⊢ ((𝜑 ∧ (𝑎 ∈ (Base‘(Scalar‘𝑃)) ∧ 𝑏 ∈ (𝐻‘𝑁))) → (𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)) |
21 | 20 | ralrimivva 3190 | . 2 ⊢ (𝜑 → ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)) |
22 | 2 | mpllmod 20227 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ Ring) → 𝑃 ∈ LMod) |
23 | 3, 4, 22 | syl2anc 586 | . . 3 ⊢ (𝜑 → 𝑃 ∈ LMod) |
24 | eqid 2820 | . . . 4 ⊢ (Scalar‘𝑃) = (Scalar‘𝑃) | |
25 | eqid 2820 | . . . 4 ⊢ (Base‘(Scalar‘𝑃)) = (Base‘(Scalar‘𝑃)) | |
26 | eqid 2820 | . . . 4 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
27 | eqid 2820 | . . . 4 ⊢ (LSubSp‘𝑃) = (LSubSp‘𝑃) | |
28 | 24, 25, 26, 9, 27 | islss4 19730 | . . 3 ⊢ (𝑃 ∈ LMod → ((𝐻‘𝑁) ∈ (LSubSp‘𝑃) ↔ ((𝐻‘𝑁) ∈ (SubGrp‘𝑃) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)))) |
29 | 23, 28 | syl 17 | . 2 ⊢ (𝜑 → ((𝐻‘𝑁) ∈ (LSubSp‘𝑃) ↔ ((𝐻‘𝑁) ∈ (SubGrp‘𝑃) ∧ ∀𝑎 ∈ (Base‘(Scalar‘𝑃))∀𝑏 ∈ (𝐻‘𝑁)(𝑎( ·𝑠 ‘𝑃)𝑏) ∈ (𝐻‘𝑁)))) |
30 | 8, 21, 29 | mpbir2and 711 | 1 ⊢ (𝜑 → (𝐻‘𝑁) ∈ (LSubSp‘𝑃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ↔ wb 208 ∧ wa 398 = wceq 1536 ∈ wcel 2113 ∀wral 3137 ‘cfv 6352 (class class class)co 7153 ℕ0cn0 11895 Basecbs 16479 Scalarcsca 16564 ·𝑠 cvsca 16565 Grpcgrp 18099 SubGrpcsubg 18269 Ringcrg 19293 LModclmod 19630 LSubSpclss 19699 mPoly cmpl 20129 mHomP cmhp 20318 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1969 ax-7 2014 ax-8 2115 ax-9 2123 ax-10 2144 ax-11 2160 ax-12 2176 ax-ext 2792 ax-rep 5187 ax-sep 5200 ax-nul 5207 ax-pow 5263 ax-pr 5327 ax-un 7458 ax-cnex 10590 ax-resscn 10591 ax-1cn 10592 ax-icn 10593 ax-addcl 10594 ax-addrcl 10595 ax-mulcl 10596 ax-mulrcl 10597 ax-mulcom 10598 ax-addass 10599 ax-mulass 10600 ax-distr 10601 ax-i2m1 10602 ax-1ne0 10603 ax-1rid 10604 ax-rnegex 10605 ax-rrecex 10606 ax-cnre 10607 ax-pre-lttri 10608 ax-pre-lttrn 10609 ax-pre-ltadd 10610 ax-pre-mulgt0 10611 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1083 df-3an 1084 df-tru 1539 df-ex 1780 df-nf 1784 df-sb 2069 df-mo 2621 df-eu 2653 df-clab 2799 df-cleq 2813 df-clel 2892 df-nfc 2962 df-ne 3016 df-nel 3123 df-ral 3142 df-rex 3143 df-reu 3144 df-rmo 3145 df-rab 3146 df-v 3495 df-sbc 3771 df-csb 3881 df-dif 3936 df-un 3938 df-in 3940 df-ss 3949 df-pss 3951 df-nul 4289 df-if 4465 df-pw 4538 df-sn 4565 df-pr 4567 df-tp 4569 df-op 4571 df-uni 4836 df-int 4874 df-iun 4918 df-br 5064 df-opab 5126 df-mpt 5144 df-tr 5170 df-id 5457 df-eprel 5462 df-po 5471 df-so 5472 df-fr 5511 df-we 5513 df-xp 5558 df-rel 5559 df-cnv 5560 df-co 5561 df-dm 5562 df-rn 5563 df-res 5564 df-ima 5565 df-pred 6145 df-ord 6191 df-on 6192 df-lim 6193 df-suc 6194 df-iota 6311 df-fun 6354 df-fn 6355 df-f 6356 df-f1 6357 df-fo 6358 df-f1o 6359 df-fv 6360 df-riota 7111 df-ov 7156 df-oprab 7157 df-mpo 7158 df-of 7406 df-om 7578 df-1st 7686 df-2nd 7687 df-supp 7828 df-wrecs 7944 df-recs 8005 df-rdg 8043 df-1o 8099 df-oadd 8103 df-er 8286 df-map 8405 df-en 8507 df-dom 8508 df-sdom 8509 df-fin 8510 df-fsupp 8831 df-pnf 10674 df-mnf 10675 df-xr 10676 df-ltxr 10677 df-le 10678 df-sub 10869 df-neg 10870 df-nn 11636 df-2 11698 df-3 11699 df-4 11700 df-5 11701 df-6 11702 df-7 11703 df-8 11704 df-9 11705 df-n0 11896 df-z 11980 df-uz 12242 df-fz 12891 df-struct 16481 df-ndx 16482 df-slot 16483 df-base 16485 df-sets 16486 df-ress 16487 df-plusg 16574 df-mulr 16575 df-sca 16577 df-vsca 16578 df-tset 16580 df-0g 16711 df-mgm 17848 df-sgrp 17897 df-mnd 17908 df-grp 18102 df-minusg 18103 df-sbg 18104 df-subg 18272 df-mgp 19236 df-ur 19248 df-ring 19295 df-lmod 19632 df-lss 19700 df-psr 20132 df-mpl 20134 df-mhp 20322 |
This theorem is referenced by: (None) |
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