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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 7391 | . . . 4 ⊢ (((invg‘𝑅)‘((coe1‘𝐺)‘0))(/r‘𝑅)((coe1‘𝐺)‘1)) ∈ V | |
| 2 | 1 | snid 4607 | . . 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 33645 | . . 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 4283 | 1 ⊢ (𝜑 → (◡(𝑂‘𝐺) “ { 0 }) ≠ ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 ∅c0 4274 {csn 4568 ◡ccnv 5621 “ cima 5625 ‘cfv 6490 (class class class)co 7358 0cc0 11027 1c1 11028 Basecbs 17137 0gc0g 17360 invgcminusg 18868 /rcdvr 20338 Fieldcfield 20665 Poly1cpl1 22118 coe1cco1 22119 eval1ce1 22257 deg1cdg1 26000 |
| 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 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 ax-pre-sup 11105 ax-addf 11106 |
| 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 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-ofr 7623 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8102 df-tpos 8167 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-map 8766 df-pm 8767 df-ixp 8837 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-fsupp 9266 df-sup 9346 df-oi 9416 df-card 9852 df-pnf 11169 df-mnf 11170 df-xr 11171 df-ltxr 11172 df-le 11173 df-sub 11367 df-neg 11368 df-nn 12147 df-2 12209 df-3 12210 df-4 12211 df-5 12212 df-6 12213 df-7 12214 df-8 12215 df-9 12216 df-n0 12403 df-z 12490 df-dec 12609 df-uz 12753 df-fz 13425 df-fzo 13572 df-seq 13926 df-hash 14255 df-struct 17075 df-sets 17092 df-slot 17110 df-ndx 17122 df-base 17138 df-ress 17159 df-plusg 17191 df-mulr 17192 df-starv 17193 df-sca 17194 df-vsca 17195 df-ip 17196 df-tset 17197 df-ple 17198 df-ds 17200 df-unif 17201 df-hom 17202 df-cco 17203 df-0g 17362 df-gsum 17363 df-prds 17368 df-pws 17370 df-mre 17506 df-mrc 17507 df-acs 17509 df-mgm 18566 df-sgrp 18645 df-mnd 18661 df-mhm 18709 df-submnd 18710 df-grp 18870 df-minusg 18871 df-sbg 18872 df-mulg 19002 df-subg 19057 df-ghm 19146 df-cntz 19250 df-cmn 19715 df-abl 19716 df-mgp 20080 df-rng 20092 df-ur 20121 df-srg 20126 df-ring 20174 df-cring 20175 df-oppr 20275 df-dvdsr 20295 df-unit 20296 df-invr 20326 df-dvr 20339 df-rhm 20410 df-nzr 20448 df-subrng 20481 df-subrg 20505 df-rlreg 20629 df-domn 20630 df-drng 20666 df-field 20667 df-lmod 20815 df-lss 20885 df-lsp 20925 df-cnfld 21312 df-assa 21810 df-asp 21811 df-ascl 21812 df-psr 21866 df-mvr 21867 df-mpl 21868 df-opsr 21870 df-evls 22030 df-evl 22031 df-psr1 22121 df-vr1 22122 df-ply1 22123 df-coe1 22124 df-evls1 22258 df-evl1 22259 df-mdeg 26001 df-deg1 26002 |
| This theorem is referenced by: ply1dg3rt0irred 33649 |
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