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| Mirrors > Home > MPE Home > Th. List > Mathboxes > ply1dg1rtn0 | Structured version Visualization version GIF version | ||
| Description: Polynomials of degree 1 over a field always have some roots. (Contributed by Thierry Arnoux, 8-Jun-2025.) |
| Ref | Expression |
|---|---|
| ply1dg1rt.p | ⊢ 𝑃 = (Poly1‘𝑅) |
| ply1dg1rt.u | ⊢ 𝑈 = (Base‘𝑃) |
| ply1dg1rt.o | ⊢ 𝑂 = (eval1‘𝑅) |
| ply1dg1rt.d | ⊢ 𝐷 = (deg1‘𝑅) |
| ply1dg1rt.0 | ⊢ 0 = (0g‘𝑅) |
| ply1dg1rtn0.r | ⊢ (𝜑 → 𝑅 ∈ Field) |
| ply1dg1rtn0.g | ⊢ (𝜑 → 𝐺 ∈ 𝑈) |
| ply1dg1rtn0.1 | ⊢ (𝜑 → (𝐷‘𝐺) = 1) |
| Ref | Expression |
|---|---|
| ply1dg1rtn0 | ⊢ (𝜑 → (◡(𝑂‘𝐺) “ { 0 }) ≠ ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ovex 7394 | . . . 4 ⊢ (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) ∈ V | |
| 2 | 1 | snid 4620 | . . 3 ⊢ (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) ∈ {(((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1))} |
| 3 | ply1dg1rt.p | . . . 4 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 4 | ply1dg1rt.u | . . . 4 ⊢ 𝑈 = (Base‘𝑃) | |
| 5 | ply1dg1rt.o | . . . 4 ⊢ 𝑂 = (eval1‘𝑅) | |
| 6 | ply1dg1rt.d | . . . 4 ⊢ 𝐷 = (deg1‘𝑅) | |
| 7 | ply1dg1rt.0 | . . . 4 ⊢ 0 = (0g‘𝑅) | |
| 8 | ply1dg1rtn0.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Field) | |
| 9 | ply1dg1rtn0.g | . . . 4 ⊢ (𝜑 → 𝐺 ∈ 𝑈) | |
| 10 | ply1dg1rtn0.1 | . . . 4 ⊢ (𝜑 → (𝐷‘𝐺) = 1) | |
| 11 | eqid 2737 | . . . 4 ⊢ (invg‘𝑅) = (invg‘𝑅) | |
| 12 | eqid 2737 | . . . 4 ⊢ (/r‘𝑅) = (/r‘𝑅) | |
| 13 | eqid 2737 | . . . 4 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 14 | eqid 2737 | . . . 4 ⊢ ((coe1‘𝐺)‘1) = ((coe1‘𝐺)‘1) | |
| 15 | eqid 2737 | . . . 4 ⊢ ((coe1‘𝐺)‘0) = ((coe1‘𝐺)‘0) | |
| 16 | eqid 2737 | . . . 4 ⊢ (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) = (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) | |
| 17 | 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 | ply1dg1rt 33665 | . . 3 ⊢ (𝜑 → (◡(𝑂‘𝐺) “ { 0 }) = {(((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1))}) |
| 18 | 2, 17 | eleqtrrid 2844 | . 2 ⊢ (𝜑 → (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) ∈ (◡(𝑂‘𝐺) “ { 0 })) |
| 19 | 18 | ne0d 4295 | 1 ⊢ (𝜑 → (◡(𝑂‘𝐺) “ { 0 }) ≠ ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∅c0 4286 {csn 4581 ◡ccnv 5624 “ cima 5628 ‘cfv 6493 (class class class)co 7361 0cc0 11031 1c1 11032 Basecbs 17141 0gc0g 17364 invgcminusg 18869 /rcdvr 20341 Fieldcfield 20668 Poly1cpl1 22122 coe1cco1 22123 eval1ce1 22263 deg1cdg1 26020 |
| 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 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5225 ax-sep 5242 ax-nul 5252 ax-pow 5311 ax-pr 5378 ax-un 7683 ax-cnex 11087 ax-resscn 11088 ax-1cn 11089 ax-icn 11090 ax-addcl 11091 ax-addrcl 11092 ax-mulcl 11093 ax-mulrcl 11094 ax-mulcom 11095 ax-addass 11096 ax-mulass 11097 ax-distr 11098 ax-i2m1 11099 ax-1ne0 11100 ax-1rid 11101 ax-rnegex 11102 ax-rrecex 11103 ax-cnre 11104 ax-pre-lttri 11105 ax-pre-lttrn 11106 ax-pre-ltadd 11107 ax-pre-mulgt0 11108 ax-pre-sup 11109 ax-addf 11110 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3062 df-rmo 3351 df-reu 3352 df-rab 3401 df-v 3443 df-sbc 3742 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4287 df-if 4481 df-pw 4557 df-sn 4582 df-pr 4584 df-tp 4586 df-op 4588 df-uni 4865 df-int 4904 df-iun 4949 df-iin 4950 df-br 5100 df-opab 5162 df-mpt 5181 df-tr 5207 df-id 5520 df-eprel 5525 df-po 5533 df-so 5534 df-fr 5578 df-se 5579 df-we 5580 df-xp 5631 df-rel 5632 df-cnv 5633 df-co 5634 df-dm 5635 df-rn 5636 df-res 5637 df-ima 5638 df-pred 6260 df-ord 6321 df-on 6322 df-lim 6323 df-suc 6324 df-iota 6449 df-fun 6495 df-fn 6496 df-f 6497 df-f1 6498 df-fo 6499 df-f1o 6500 df-fv 6501 df-isom 6502 df-riota 7318 df-ov 7364 df-oprab 7365 df-mpo 7366 df-of 7625 df-ofr 7626 df-om 7812 df-1st 7936 df-2nd 7937 df-supp 8106 df-tpos 8171 df-frecs 8226 df-wrecs 8257 df-recs 8306 df-rdg 8344 df-1o 8400 df-2o 8401 df-er 8638 df-map 8770 df-pm 8771 df-ixp 8841 df-en 8889 df-dom 8890 df-sdom 8891 df-fin 8892 df-fsupp 9270 df-sup 9350 df-oi 9420 df-card 9856 df-pnf 11173 df-mnf 11174 df-xr 11175 df-ltxr 11176 df-le 11177 df-sub 11371 df-neg 11372 df-nn 12151 df-2 12213 df-3 12214 df-4 12215 df-5 12216 df-6 12217 df-7 12218 df-8 12219 df-9 12220 df-n0 12407 df-z 12494 df-dec 12613 df-uz 12757 df-fz 13429 df-fzo 13576 df-seq 13930 df-hash 14259 df-struct 17079 df-sets 17096 df-slot 17114 df-ndx 17126 df-base 17142 df-ress 17163 df-plusg 17195 df-mulr 17196 df-starv 17197 df-sca 17198 df-vsca 17199 df-ip 17200 df-tset 17201 df-ple 17202 df-ds 17204 df-unif 17205 df-hom 17206 df-cco 17207 df-0g 17366 df-gsum 17367 df-prds 17372 df-pws 17374 df-mre 17510 df-mrc 17511 df-acs 17513 df-mgm 18570 df-sgrp 18649 df-mnd 18665 df-mhm 18713 df-submnd 18714 df-grp 18871 df-minusg 18872 df-sbg 18873 df-mulg 19003 df-subg 19058 df-ghm 19147 df-cntz 19251 df-cmn 19716 df-abl 19717 df-mgp 20081 df-rng 20093 df-ur 20122 df-srg 20127 df-ring 20175 df-cring 20176 df-oppr 20278 df-dvdsr 20298 df-unit 20299 df-invr 20329 df-dvr 20342 df-rhm 20413 df-nzr 20451 df-subrng 20484 df-subrg 20508 df-rlreg 20632 df-domn 20633 df-drng 20669 df-field 20670 df-lmod 20818 df-lss 20888 df-lsp 20928 df-cnfld 21315 df-assa 21813 df-asp 21814 df-ascl 21815 df-psr 21870 df-mvr 21871 df-mpl 21872 df-opsr 21874 df-evls 22034 df-evl 22035 df-psr1 22125 df-vr1 22126 df-ply1 22127 df-coe1 22128 df-evls1 22264 df-evl1 22265 df-mdeg 26021 df-deg1 26022 |
| This theorem is referenced by: ply1dg3rt0irred 33669 |
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