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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 2761 | . 2 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 4 | eqid 2761 | . 2 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 5 | eqid 2761 | . 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 22196 | . 2 ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| 8 | mhpinvcl.m | . . 3 ⊢ 𝑀 = (invg‘𝑃) | |
| 9 | reldmmhp 22190 | . . . . 5 ⊢ Rel dom mHomP | |
| 10 | 9, 1, 6 | elfvov1 7433 | . . . 4 ⊢ (𝜑 → 𝐼 ∈ V) |
| 11 | mhpinvcl.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Grp) | |
| 12 | 2 | mplgrp 22056 | . . . 4 ⊢ ((𝐼 ∈ V ∧ 𝑅 ∈ Grp) → 𝑃 ∈ Grp) |
| 13 | 10, 11, 12 | syl2anc 593 | . . 3 ⊢ (𝜑 → 𝑃 ∈ Grp) |
| 14 | 1, 2, 3, 6 | mhpmpl 22197 | . . 3 ⊢ (𝜑 → 𝑋 ∈ (Base‘𝑃)) |
| 15 | 3, 8, 13, 14 | grpinvcld 19021 | . 2 ⊢ (𝜑 → (𝑀‘𝑋) ∈ (Base‘𝑃)) |
| 16 | eqid 2761 | . . . . . 6 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
| 17 | 2, 3, 16, 8, 10, 11, 14 | mplneg 22049 | . . . . 5 ⊢ (𝜑 → (𝑀‘𝑋) = ((invg‘𝑅) ∘ 𝑋)) |
| 18 | 17 | oveq1d 7406 | . . . 4 ⊢ (𝜑 → ((𝑀‘𝑋) supp (0g‘𝑅)) = (((invg‘𝑅) ∘ 𝑋) supp (0g‘𝑅))) |
| 19 | eqid 2761 | . . . . . . 7 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 20 | 19, 16 | grpinvfn 19014 | . . . . . 6 ⊢ (invg‘𝑅) Fn (Base‘𝑅) |
| 21 | 20 | a1i 11 | . . . . 5 ⊢ (𝜑 → (invg‘𝑅) Fn (Base‘𝑅)) |
| 22 | 2, 19, 3, 5, 14 | mplelf 22037 | . . . . 5 ⊢ (𝜑 → 𝑋:{ℎ ∈ (ℕ0 ↑m 𝐼) ∣ (◡ℎ “ ℕ) ∈ Fin}⟶(Base‘𝑅)) |
| 23 | ovex 7424 | . . . . . . 7 ⊢ (ℕ0 ↑m 𝐼) ∈ V | |
| 24 | 23 | rabex 5292 | . . . . . 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 6877 | . . . . 5 ⊢ (𝜑 → (0g‘𝑅) ∈ V) | |
| 27 | 4, 16 | grpinvid 19032 | . . . . . 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 8181 | . . . 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 22198 | . . 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 22194 | 1 ⊢ (𝜑 → (𝑀‘𝑋) ∈ (𝐻‘𝑁)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1559 ∈ wcel 2141 {crab 3413 Vcvv 3453 ◡ccnv 5642 “ cima 5646 ∘ ccom 5647 Fn wfn 6511 ‘cfv 6516 (class class class)co 7391 supp csupp 8134 ↑m cmap 8802 Fincfn 8921 ℕcn 12204 ℕ0cn0 12475 Basecbs 17236 ↾s cress 17257 0gc0g 17459 Σg cgsu 17460 Grpcgrp 18966 invgcminusg 18967 ℂfldccnfld 21412 mPoly cmpl 21946 mHomP cmhp 22186 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-tp 4584 df-op 4586 df-uni 4863 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-of 7655 df-om 7842 df-1st 7965 df-2nd 7966 df-supp 8135 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-er 8672 df-map 8804 df-ixp 8874 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-fsupp 9302 df-sup 9382 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-nn 12205 df-2 12274 df-3 12275 df-4 12276 df-5 12277 df-6 12278 df-7 12279 df-8 12280 df-9 12281 df-n0 12476 df-z 12563 df-dec 12683 df-uz 12834 df-fz 13507 df-struct 17174 df-sets 17191 df-slot 17209 df-ndx 17221 df-base 17237 df-ress 17258 df-plusg 17290 df-mulr 17291 df-sca 17293 df-vsca 17294 df-ip 17295 df-tset 17296 df-ple 17297 df-ds 17299 df-hom 17301 df-cco 17302 df-0g 17461 df-prds 17467 df-pws 17469 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-grp 18969 df-minusg 18970 df-subg 19156 df-psr 21949 df-mpl 21951 df-mhp 22189 |
| This theorem is referenced by: mhpsubg 22206 |
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