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| Mirrors > Home > MPE Home > Th. List > mhpinvcl | Structured version Visualization version GIF version | ||
| Description: Homogeneous polynomials are closed under taking the opposite. (Contributed by SN, 12-Sep-2023.) Remove closure hypotheses. (Revised by SN, 4-Sep-2025.) |
| Ref | Expression |
|---|---|
| mhpinvcl.h | ⊢ 𝐻 = (𝐼 mHomP 𝑅) |
| mhpinvcl.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| mhpinvcl.m | ⊢ 𝑀 = (invg‘𝑃) |
| mhpinvcl.r | ⊢ (𝜑 → 𝑅 ∈ Grp) |
| mhpinvcl.x | ⊢ (𝜑 → 𝑋 ∈ (𝐻‘𝑁)) |
| Ref | Expression |
|---|---|
| mhpinvcl | ⊢ (𝜑 → (𝑀‘𝑋) ∈ (𝐻‘𝑁)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mhpinvcl.h | . 2 ⊢ 𝐻 = (𝐼 mHomP 𝑅) | |
| 2 | mhpinvcl.p | . 2 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 3 | eqid 2736 | . 2 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 4 | eqid 2736 | . 2 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 5 | eqid 2736 | . 2 ⊢ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} = {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} | |
| 6 | mhpinvcl.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ (𝐻‘𝑁)) | |
| 7 | 1, 6 | mhprcl 22086 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 8 | mhpinvcl.m | . . 3 ⊢ 𝑀 = (invg‘𝑃) | |
| 9 | reldmmhp 22080 | . . . . 5 ⊢ Rel dom mHomP | |
| 10 | 9, 1, 6 | elfvov1 7400 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ V) |
| 11 | mhpinvcl.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
| 12 | 2 | mplgrp 21972 | . . . 4 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
| 13 | 10, 11, 12 | syl2anc 584 | . . 3 ⊢ (𝜑 → 𝑃 ∈ Grp) |
| 14 | 1, 2, 3, 6 | mhpmpl 22087 | . . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝑃)) |
| 15 | 3, 8, 13, 14 | grpinvcld 18918 | . 2 ⊢ (𝜑 → (𝑀‘𝑋) ∈ (Base‘𝑃)) |
| 16 | eqid 2736 | . . . . . 6 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
| 17 | 2, 3, 16, 8, 10, 11, 14 | mplneg 21965 | . . . . 5 ⊢ (𝜑 → (𝑀‘𝑋) = ((invg‘𝑅) ∘ 𝑋)) |
| 18 | 17 | oveq1d 7373 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑋) supp (0g‘𝑅)) = (((invg‘𝑅) ∘ 𝑋) supp (0g‘𝑅))) |
| 19 | eqid 2736 | . . . . . . 7 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 20 | 19, 16 | grpinvfn 18911 | . . . . . 6 ⊢ (invg‘𝑅) Fn (Base‘𝑅) |
| 21 | 20 | a1i 11 | . . . . 5 ⊢ (𝜑 → (invg‘𝑅) Fn (Base‘𝑅)) |
| 22 | 2, 19, 3, 5, 14 | mplelf 21953 | . . . . 5 ⊢ (𝜑 → 𝑋:{ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅)) |
| 23 | ovex 7391 | . . . . . . 7 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
| 24 | 23 | rabex 5284 | . . . . . 6 ⊢ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∈ V |
| 25 | 24 | a1i 11 | . . . . 5 ⊢ (𝜑 → {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∈ V) |
| 26 | fvexd 6849 | . . . . 5 ⊢ (𝜑 → (0g‘𝑅) ∈ V) | |
| 27 | 4, 16 | grpinvid 18929 | . . . . . 6 ⊢ (𝑅 ∈ Grp → ((invg‘𝑅)‘(0g‘𝑅)) = (0g‘𝑅)) |
| 28 | 11, 27 | syl 17 | . . . . 5 ⊢ (𝜑 → ((invg‘𝑅)‘(0g‘𝑅)) = (0g‘𝑅)) |
| 29 | 21, 22, 25, 26, 28 | suppcoss 8149 | . . . 4 ⊢ (𝜑 → (((invg‘𝑅) ∘ 𝑋) supp (0g‘𝑅)) ⊆ (𝑋 supp (0g‘𝑅))) |
| 30 | 18, 29 | eqsstrd 3968 | . . 3 ⊢ (𝜑 → ((𝑀‘𝑋) supp (0g‘𝑅)) ⊆ (𝑋 supp (0g‘𝑅))) |
| 31 | 1, 4, 5, 6 | mhpdeg 22088 | . . 3 ⊢ (𝜑 → (𝑋 supp (0g‘𝑅)) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
| 32 | 30, 31 | sstrd 3944 | . 2 ⊢ (𝜑 → ((𝑀‘𝑋) supp (0g‘𝑅)) ⊆ {𝑔 ∈ {ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin} ∣ ((ℂfld ↾s ℕ0) Σg 𝑔) = 𝑁}) |
| 33 | 1, 2, 3, 4, 5, 7, 15, 32 | ismhp2 22084 | 1 ⊢ (𝜑 → (𝑀‘𝑋) ∈ (𝐻‘𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 {crab 3399 Vcvv 3440 ◡ccnv 5623 “ cima 5627 ∘ ccom 5628 Fn wfn 6487 ‘cfv 6492 (class class class)co 7358 supp csupp 8102 ↑m cmap 8763 Fincfn 8883 ℕcn 12145 ℕ0cn0 12401 Basecbs 17136 ↾s cress 17157 0gc0g 17359 Σg cgsu 17360 Grpcgrp 18863 invgcminusg 18864 ℂfldccnfld 21309 mPoly cmpl 21862 mHomP cmhp 22072 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11082 ax-resscn 11083 ax-1cn 11084 ax-icn 11085 ax-addcl 11086 ax-addrcl 11087 ax-mulcl 11088 ax-mulrcl 11089 ax-mulcom 11090 ax-addass 11091 ax-mulass 11092 ax-distr 11093 ax-i2m1 11094 ax-1ne0 11095 ax-1rid 11096 ax-rnegex 11097 ax-rrecex 11098 ax-cnre 11099 ax-pre-lttri 11100 ax-pre-lttrn 11101 ax-pre-ltadd 11102 ax-pre-mulgt0 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-iun 4948 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8103 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-er 8635 df-map 8765 df-ixp 8836 df-en 8884 df-dom 8885 df-sdom 8886 df-fin 8887 df-fsupp 9265 df-sup 9345 df-pnf 11168 df-mnf 11169 df-xr 11170 df-ltxr 11171 df-le 11172 df-sub 11366 df-neg 11367 df-nn 12146 df-2 12208 df-3 12209 df-4 12210 df-5 12211 df-6 12212 df-7 12213 df-8 12214 df-9 12215 df-n0 12402 df-z 12489 df-dec 12608 df-uz 12752 df-fz 13424 df-struct 17074 df-sets 17091 df-slot 17109 df-ndx 17121 df-base 17137 df-ress 17158 df-plusg 17190 df-mulr 17191 df-sca 17193 df-vsca 17194 df-ip 17195 df-tset 17196 df-ple 17197 df-ds 17199 df-hom 17201 df-cco 17202 df-0g 17361 df-prds 17367 df-pws 17369 df-mgm 18565 df-sgrp 18644 df-mnd 18660 df-grp 18866 df-minusg 18867 df-subg 19053 df-psr 21865 df-mpl 21867 df-mhp 22079 |
| This theorem is referenced by: mhpsubg 22096 |
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