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Mirrors > Home > MPE Home > Th. List > mhpaddcl | Structured version Visualization version GIF version |
Description: Homogeneous polynomials are closed under addition. (Contributed by SN, 26-Aug-2023.) |
Ref | Expression |
---|---|
mhpaddcl.h | ⊢ 𝐻 = (𝐼 mHomP 𝑅) |
mhpaddcl.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
mhpaddcl.a | ⊢ + = (+g‘𝑃) |
mhpaddcl.i | ⊢ (𝜑 → 𝐼 ∈ 𝑉) |
mhpaddcl.r | ⊢ (𝜑 → 𝑅 ∈ Grp) |
mhpaddcl.n | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
mhpaddcl.x | ⊢ (𝜑 → 𝑋 ∈ (𝐻‘𝑁)) |
mhpaddcl.y | ⊢ (𝜑 → 𝑌 ∈ (𝐻‘𝑁)) |
Ref | Expression |
---|---|
mhpaddcl | ⊢ (𝜑 → (𝑋 + 𝑌) ∈ (𝐻‘𝑁)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | mhpaddcl.h | . 2 ⊢ 𝐻 = (𝐼 mHomP 𝑅) | |
2 | mhpaddcl.p | . 2 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
3 | eqid 2732 | . 2 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
4 | eqid 2732 | . 2 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
5 | eqid 2732 | . 2 ⊢ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} | |
6 | mhpaddcl.i | . 2 ⊢ (𝜑 → 𝐼 ∈ 𝑉) | |
7 | mhpaddcl.r | . 2 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
8 | mhpaddcl.n | . 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
9 | 2 | mplgrp 21795 | . . . 4 ⊢ ((𝐼 ∈ 𝑉 ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
10 | 6, 7, 9 | syl2anc 584 | . . 3 ⊢ (𝜑 → 𝑃 ∈ Grp) |
11 | mhpaddcl.x | . . . 4 ⊢ (𝜑 → 𝑋 ∈ (𝐻‘𝑁)) | |
12 | 1, 2, 3, 6, 7, 8, 11 | mhpmpl 21906 | . . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝑃)) |
13 | mhpaddcl.y | . . . 4 ⊢ (𝜑 → 𝑌 ∈ (𝐻‘𝑁)) | |
14 | 1, 2, 3, 6, 7, 8, 13 | mhpmpl 21906 | . . 3 ⊢ (𝜑 → 𝑌 ∈ (Base‘𝑃)) |
15 | mhpaddcl.a | . . . 4 ⊢ + = (+g‘𝑃) | |
16 | 3, 15 | grpcl 18863 | . . 3 ⊢ ((𝑃 ∈ Grp ∧ 𝑋 ∈ (Base‘𝑃) ∧ 𝑌 ∈ (Base‘𝑃)) → (𝑋 + 𝑌) ∈ (Base‘𝑃)) |
17 | 10, 12, 14, 16 | syl3anc 1371 | . 2 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ (Base‘𝑃)) |
18 | eqid 2732 | . . . . . 6 ⊢ (+g‘𝑅) = (+g‘𝑅) | |
19 | 2, 3, 18, 15, 12, 14 | mpladd 21787 | . . . . 5 ⊢ (𝜑 → (𝑋 + 𝑌) = (𝑋 ∘f (+g‘𝑅)𝑌)) |
20 | 19 | oveq1d 7426 | . . . 4 ⊢ (𝜑 → ((𝑋 + 𝑌) supp (0g‘𝑅)) = ((𝑋 ∘f (+g‘𝑅)𝑌) supp (0g‘𝑅))) |
21 | ovexd 7446 | . . . . . 6 ⊢ (𝜑 → (ℕ0 ↑m 𝐼) ∈ V) | |
22 | 5, 21 | rabexd 5333 | . . . . 5 ⊢ (𝜑 → {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∈ V) |
23 | eqid 2732 | . . . . . . 7 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
24 | 23, 4 | grpidcl 18886 | . . . . . 6 ⊢ (𝑅 ∈ Grp → (0g‘𝑅) ∈ (Base‘𝑅)) |
25 | 7, 24 | syl 17 | . . . . 5 ⊢ (𝜑 → (0g‘𝑅) ∈ (Base‘𝑅)) |
26 | 2, 23, 3, 5, 12 | mplelf 21776 | . . . . 5 ⊢ (𝜑 → 𝑋:{ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅)) |
27 | 2, 23, 3, 5, 14 | mplelf 21776 | . . . . 5 ⊢ (𝜑 → 𝑌:{ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅)) |
28 | 23, 18, 4 | grplid 18888 | . . . . . 6 ⊢ ((𝑅 ∈ Grp ∧ (0g‘𝑅) ∈ (Base‘𝑅)) → ((0g‘𝑅)(+g‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
29 | 7, 25, 28 | syl2anc 584 | . . . . 5 ⊢ (𝜑 → ((0g‘𝑅)(+g‘𝑅)(0g‘𝑅)) = (0g‘𝑅)) |
30 | 22, 25, 26, 27, 29 | suppofssd 8190 | . . . 4 ⊢ (𝜑 → ((𝑋 ∘f (+g‘𝑅)𝑌) supp (0g‘𝑅)) ⊆ ((𝑋 supp (0g‘𝑅)) ∪ (𝑌 supp (0g‘𝑅)))) |
31 | 20, 30 | eqsstrd 4020 | . . 3 ⊢ (𝜑 → ((𝑋 + 𝑌) supp (0g‘𝑅)) ⊆ ((𝑋 supp (0g‘𝑅)) ∪ (𝑌 supp (0g‘𝑅)))) |
32 | 1, 4, 5, 6, 7, 8, 11 | mhpdeg 21907 | . . . 4 ⊢ (𝜑 → (𝑋 supp (0g‘𝑅)) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
33 | 1, 4, 5, 6, 7, 8, 13 | mhpdeg 21907 | . . . 4 ⊢ (𝜑 → (𝑌 supp (0g‘𝑅)) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
34 | 32, 33 | unssd 4186 | . . 3 ⊢ (𝜑 → ((𝑋 supp (0g‘𝑅)) ∪ (𝑌 supp (0g‘𝑅))) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
35 | 31, 34 | sstrd 3992 | . 2 ⊢ (𝜑 → ((𝑋 + 𝑌) supp (0g‘𝑅)) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
36 | 1, 2, 3, 4, 5, 6, 7, 8, 17, 35 | ismhp2 21904 | 1 ⊢ (𝜑 → (𝑋 + 𝑌) ∈ (𝐻‘𝑁)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2106 {crab 3432 Vcvv 3474 ∪ cun 3946 ◡ccnv 5675 “ cima 5679 ‘cfv 6543 (class class class)co 7411 ∘f cof 7670 supp csupp 8148 ↑m cmap 8822 Fincfn 8941 ℕcn 12216 ℕ0cn0 12476 Basecbs 17148 ↾s cress 17177 +gcplusg 17201 0gc0g 17389 Σg cgsu 17390 Grpcgrp 18855 ℂfldccnfld 21144 mPoly cmpl 21678 mHomP cmhp 21891 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5285 ax-sep 5299 ax-nul 5306 ax-pow 5363 ax-pr 5427 ax-un 7727 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3778 df-csb 3894 df-dif 3951 df-un 3953 df-in 3955 df-ss 3965 df-pss 3967 df-nul 4323 df-if 4529 df-pw 4604 df-sn 4629 df-pr 4631 df-tp 4633 df-op 4635 df-uni 4909 df-iun 4999 df-br 5149 df-opab 5211 df-mpt 5232 df-tr 5266 df-id 5574 df-eprel 5580 df-po 5588 df-so 5589 df-fr 5631 df-we 5633 df-xp 5682 df-rel 5683 df-cnv 5684 df-co 5685 df-dm 5686 df-rn 5687 df-res 5688 df-ima 5689 df-pred 6300 df-ord 6367 df-on 6368 df-lim 6369 df-suc 6370 df-iota 6495 df-fun 6545 df-fn 6546 df-f 6547 df-f1 6548 df-fo 6549 df-f1o 6550 df-fv 6551 df-riota 7367 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7672 df-om 7858 df-1st 7977 df-2nd 7978 df-supp 8149 df-frecs 8268 df-wrecs 8299 df-recs 8373 df-rdg 8412 df-1o 8468 df-er 8705 df-map 8824 df-ixp 8894 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fsupp 9364 df-sup 9439 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-nn 12217 df-2 12279 df-3 12280 df-4 12281 df-5 12282 df-6 12283 df-7 12284 df-8 12285 df-9 12286 df-n0 12477 df-z 12563 df-dec 12682 df-uz 12827 df-fz 13489 df-struct 17084 df-sets 17101 df-slot 17119 df-ndx 17131 df-base 17149 df-ress 17178 df-plusg 17214 df-mulr 17215 df-sca 17217 df-vsca 17218 df-ip 17219 df-tset 17220 df-ple 17221 df-ds 17223 df-hom 17225 df-cco 17226 df-0g 17391 df-prds 17397 df-pws 17399 df-mgm 18565 df-sgrp 18644 df-mnd 18660 df-grp 18858 df-minusg 18859 df-subg 19039 df-psr 21681 df-mpl 21683 df-mhp 21895 |
This theorem is referenced by: mhpsubg 21915 mhpind 41468 |
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