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| Mirrors > Home > MPE Home > Th. List > Mathboxes > prjcrv0 | Structured version Visualization version GIF version | ||
| Description: The "curve" (zero set) corresponding to the zero polynomial contains all coordinates. (Contributed by SN, 23-Nov-2024.) |
| Ref | Expression |
|---|---|
| prjcrv0.y | ⊢ 𝑌 = ((0...𝑁) mPoly 𝐾) |
| prjcrv0.0 | ⊢ 0 = (0g‘𝑌) |
| prjcrv0.p | ⊢ 𝑃 = (𝑁 ℙrojn 𝐾) |
| prjcrv0.n | ⊢ (𝜑 → 𝑁 ∈ ℕ0) |
| prjcrv0.k | ⊢ (𝜑 → 𝐾 ∈ Field) |
| Ref | Expression |
|---|---|
| prjcrv0 | ⊢ (𝜑 → ((𝑁 ℙrojCrv 𝐾)‘ 0 ) = 𝑃) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | eqid 2763 | . . 3 ⊢ ((0...𝑁) mHomP 𝐾) = ((0...𝑁) mHomP 𝐾) | |
| 2 | eqid 2763 | . . 3 ⊢ ((0...𝑁) eval 𝐾) = ((0...𝑁) eval 𝐾) | |
| 3 | prjcrv0.p | . . 3 ⊢ 𝑃 = (𝑁 ℙrojn 𝐾) | |
| 4 | eqid 2763 | . . 3 ⊢ (0g‘𝐾) = (0g‘𝐾) | |
| 5 | prjcrv0.n | . . 3 ⊢ (𝜑 → 𝑁 ∈ ℕ0) | |
| 6 | prjcrv0.k | . . 3 ⊢ (𝜑 → 𝐾 ∈ Field) | |
| 7 | fvssunirn 6947 | . . . 4 ⊢ (((0...𝑁) mHomP 𝐾)‘𝑁) ⊆ ∪ ran ((0...𝑁) mHomP 𝐾) | |
| 8 | prjcrv0.y | . . . . . 6 ⊢ 𝑌 = ((0...𝑁) mPoly 𝐾) | |
| 9 | eqid 2763 | . . . . . 6 ⊢ {ℎ ∈ (ℕ0 ↑m (0...𝑁)) ∣ (◡ℎ “ ℕ) ∈ Fin} = {ℎ ∈ (ℕ0 ↑m (0...𝑁)) ∣ (◡ℎ “ ℕ) ∈ Fin} | |
| 10 | prjcrv0.0 | . . . . . 6 ⊢ 0 = (0g‘𝑌) | |
| 11 | ovexd 7486 | . . . . . 6 ⊢ (𝜑 → (0...𝑁) ∈ V) | |
| 12 | 6 | fldcrngd 21046 | . . . . . . 7 ⊢ (𝜑 → 𝐾 ∈ CRing) |
| 13 | 12 | crnggrpd 20525 | . . . . . 6 ⊢ (𝜑 → 𝐾 ∈ Grp) |
| 14 | 8, 9, 4, 10, 11, 13 | mpl0 22368 | . . . . 5 ⊢ (𝜑 → 0 = ({ℎ ∈ (ℕ0 ↑m (0...𝑁)) ∣ (◡ℎ “ ℕ) ∈ Fin} × {(0g‘𝐾)})) |
| 15 | 1, 4, 9, 11, 13, 5 | mhp0cl 22522 | . . . . 5 ⊢ (𝜑 → ({ℎ ∈ (ℕ0 ↑m (0...𝑁)) ∣ (◡ℎ “ ℕ) ∈ Fin} × {(0g‘𝐾)}) ∈ (((0...𝑁) mHomP 𝐾)‘𝑁)) |
| 16 | 14, 15 | eqeltrd 2864 | . . . 4 ⊢ (𝜑 → 0 ∈ (((0...𝑁) mHomP 𝐾)‘𝑁)) |
| 17 | 7, 16 | sselid 3911 | . . 3 ⊢ (𝜑 → 0 ∈ ∪ ran ((0...𝑁) mHomP 𝐾)) |
| 18 | 1, 2, 3, 4, 5, 6, 17 | prjcrvval 43934 | . 2 ⊢ (𝜑 → ((𝑁 ℙrojCrv 𝐾)‘ 0 ) = {𝑝 ∈ 𝑃 ∣ ((((0...𝑁) eval 𝐾)‘ 0 ) “ 𝑝) = {(0g‘𝐾)}}) |
| 19 | eqid 2763 | . . . . . 6 ⊢ (Base‘𝐾) = (Base‘𝐾) | |
| 20 | ovexd 7486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → (0...𝑁) ∈ V) | |
| 21 | 12 | adantr 486 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝐾 ∈ CRing) |
| 22 | 2, 19, 8, 4, 10, 20, 21 | evl0 43879 | . . . . 5 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → (((0...𝑁) eval 𝐾)‘ 0 ) = (((Base‘𝐾) ↑m (0...𝑁)) × {(0g‘𝐾)})) |
| 23 | 22 | imaeq1d 6069 | . . . 4 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → ((((0...𝑁) eval 𝐾)‘ 0 ) “ 𝑝) = ((((Base‘𝐾) ↑m (0...𝑁)) × {(0g‘𝐾)}) “ 𝑝)) |
| 24 | eqid 2763 | . . . . . . . . 9 ⊢ (𝐾 freeLMod (0...𝑁)) = (𝐾 freeLMod (0...𝑁)) | |
| 25 | eqid 2763 | . . . . . . . . 9 ⊢ ((Base‘(𝐾 freeLMod (0...𝑁))) ∖ {(0g‘(𝐾 freeLMod (0...𝑁)))}) = ((Base‘(𝐾 freeLMod (0...𝑁))) ∖ {(0g‘(𝐾 freeLMod (0...𝑁)))}) | |
| 26 | 5 | adantr 486 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝑁 ∈ ℕ0) |
| 27 | 6 | flddrngd 21045 | . . . . . . . . . 10 ⊢ (𝜑 → 𝐾 ∈ DivRing) |
| 28 | 27 | adantr 486 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝐾 ∈ DivRing) |
| 29 | simpr 490 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝑝 ∈ 𝑃) | |
| 30 | 3, 24, 25, 26, 28, 29 | elprjspnss 43916 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝑝 ⊆ ((Base‘(𝐾 freeLMod (0...𝑁))) ∖ {(0g‘(𝐾 freeLMod (0...𝑁)))})) |
| 31 | eqid 2763 | . . . . . . . . . . . . 13 ⊢ {𝑘 ∈ ((Base‘𝐾) ↑m (0...𝑁)) ∣ 𝑘 finSupp (0g‘𝐾)} = {𝑘 ∈ ((Base‘𝐾) ↑m (0...𝑁)) ∣ 𝑘 finSupp (0g‘𝐾)} | |
| 32 | 24, 19, 4, 31 | frlmbas 22116 | . . . . . . . . . . . 12 ⊢ ((𝐾 ∈ Field ∧ (0...𝑁) ∈ V) → {𝑘 ∈ ((Base‘𝐾) ↑m (0...𝑁)) ∣ 𝑘 finSupp (0g‘𝐾)} = (Base‘(𝐾 freeLMod (0...𝑁)))) |
| 33 | 6, 11, 32 | syl2anc 596 | . . . . . . . . . . 11 ⊢ (𝜑 → {𝑘 ∈ ((Base‘𝐾) ↑m (0...𝑁)) ∣ 𝑘 finSupp (0g‘𝐾)} = (Base‘(𝐾 freeLMod (0...𝑁)))) |
| 34 | ssrab2 4008 | . . . . . . . . . . 11 ⊢ {𝑘 ∈ ((Base‘𝐾) ↑m (0...𝑁)) ∣ 𝑘 finSupp (0g‘𝐾)} ⊆ ((Base‘𝐾) ↑m (0...𝑁)) | |
| 35 | 33, 34 | eqsstrrdi 3958 | . . . . . . . . . 10 ⊢ (𝜑 → (Base‘(𝐾 freeLMod (0...𝑁))) ⊆ ((Base‘𝐾) ↑m (0...𝑁))) |
| 36 | 35 | ssdifssd 4086 | . . . . . . . . 9 ⊢ (𝜑 → ((Base‘(𝐾 freeLMod (0...𝑁))) ∖ {(0g‘(𝐾 freeLMod (0...𝑁)))}) ⊆ ((Base‘𝐾) ↑m (0...𝑁))) |
| 37 | 36 | adantr 486 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → ((Base‘(𝐾 freeLMod (0...𝑁))) ∖ {(0g‘(𝐾 freeLMod (0...𝑁)))}) ⊆ ((Base‘𝐾) ↑m (0...𝑁))) |
| 38 | 30, 37 | sstrd 3923 | . . . . . . 7 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝑝 ⊆ ((Base‘𝐾) ↑m (0...𝑁))) |
| 39 | sseqin2 4123 | . . . . . . 7 ⊢ (𝑝 ⊆ ((Base‘𝐾) ↑m (0...𝑁)) ↔ (((Base‘𝐾) ↑m (0...𝑁)) ∩ 𝑝) = 𝑝) | |
| 40 | 38, 39 | sylib 221 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → (((Base‘𝐾) ↑m (0...𝑁)) ∩ 𝑝) = 𝑝) |
| 41 | 3, 26, 28, 29 | prjspnn0 43917 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → 𝑝 ≠ ∅) |
| 42 | 40, 41 | eqnetrd 3026 | . . . . 5 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → (((Base‘𝐾) ↑m (0...𝑁)) ∩ 𝑝) ≠ ∅) |
| 43 | xpima2 6194 | . . . . 5 ⊢ ((((Base‘𝐾) ↑m (0...𝑁)) ∩ 𝑝) ≠ ∅ → ((((Base‘𝐾) ↑m (0...𝑁)) × {(0g‘𝐾)}) “ 𝑝) = {(0g‘𝐾)}) | |
| 44 | 42, 43 | syl 18 | . . . 4 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → ((((Base‘𝐾) ↑m (0...𝑁)) × {(0g‘𝐾)}) “ 𝑝) = {(0g‘𝐾)}) |
| 45 | 23, 44 | eqtrd 2798 | . . 3 ⊢ ((𝜑 ∧ 𝑝 ∈ 𝑃) → ((((0...𝑁) eval 𝐾)‘ 0 ) “ 𝑝) = {(0g‘𝐾)}) |
| 46 | 45 | rabeqcda 3427 | . 2 ⊢ (𝜑 → {𝑝 ∈ 𝑃 ∣ ((((0...𝑁) eval 𝐾)‘ 0 ) “ 𝑝) = {(0g‘𝐾)}} = 𝑃) |
| 47 | 18, 46 | eqtrd 2798 | 1 ⊢ (𝜑 → ((𝑁 ℙrojCrv 𝐾)‘ 0 ) = 𝑃) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 ≠ wne 2959 {crab 3416 Vcvv 3454 ⊆ wss 3900 ∖ cdif 4048 ∩ cin 4092 ∅c0 4281 {csn 4588 ∪ cuni 4872 class class class wbr 5108 × cxp 5656 ◡ccnv 5657 ran crn 5659 “ cima 5661 ‘cfv 6566 (class class class)co 7451 ↑m cmap 8885 Fincfn 9011 finSupp cfsupp 9391 0cc0 11239 ℕcn 12375 ℕ0cn0 12646 ...cfz 13679 Basecbs 17431 0gc0g 17660 CRingccrg 20511 DivRingcdr 21031 Fieldcfield 21032 freeLMod cfrlm 22107 mPoly cmpl 22269 eval cevl 22437 mHomP cmhp 22509 ℙrojn cprjspn 43908 ℙrojCrv cprjcrv 43931 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-of 7725 df-ofr 7726 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-tpos 8281 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-er 8755 df-ec 8757 df-qs 8761 df-map 8887 df-pm 8888 df-ixp 8964 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-sup 9471 df-oi 9541 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-fz 13680 df-fzo 13829 df-seq 14185 df-hash 14516 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-sca 17489 df-vsca 17490 df-ip 17491 df-tset 17492 df-ple 17493 df-ds 17495 df-hom 17497 df-cco 17498 df-0g 17662 df-gsum 17663 df-prds 17668 df-pws 17670 df-mre 17806 df-mrc 17807 df-acs 17809 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-mhm 19028 df-submnd 19029 df-grp 19197 df-minusg 19198 df-sbg 19199 df-mulg 19328 df-subg 19383 df-ghm 19478 df-cntz 19582 df-cmn 20047 df-abl 20048 df-mgp 20412 df-rng 20426 df-ur 20459 df-srg 20464 df-ring 20512 df-cring 20513 df-oppr 20618 df-dvdsr 20638 df-unit 20639 df-invr 20669 df-rhm 20753 df-subrng 20849 df-subrg 20873 df-drng 21033 df-field 21034 df-lmod 21188 df-lss 21258 df-lsp 21298 df-lvec 21429 df-sra 21499 df-rgmod 21500 df-dsmm 22093 df-frlm 22108 df-assa 22216 df-asp 22217 df-ascl 22218 df-psr 22272 df-mvr 22273 df-mpl 22274 df-evls 22438 df-evl 22439 df-mhp 22512 df-prjsp 43896 df-prjspn 43909 df-prjcrv 43932 |
| This theorem is used by: (None) |
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