| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > ressdeg1 | Structured version Visualization version GIF version | ||
| Description: The degree of a univariate polynomial in a structure restriction. (Contributed by Thierry Arnoux, 20-Jan-2025.) |
| Ref | Expression |
|---|---|
| ressdeg1.h | ⊢ 𝐻 = (𝑅 ↾s 𝑇) |
| ressdeg1.d | ⊢ 𝐷 = (deg1‘𝑅) |
| ressdeg1.u | ⊢ 𝑈 = (Poly1‘𝐻) |
| ressdeg1.b | ⊢ 𝐵 = (Base‘𝑈) |
| ressdeg1.p | ⊢ (𝜑 → 𝑃 ∈ 𝐵) |
| ressdeg1.t | ⊢ (𝜑 → 𝑇 ∈ (SubRing‘𝑅)) |
| Ref | Expression |
|---|---|
| ressdeg1 | ⊢ (𝜑 → (𝐷‘𝑃) = ((deg1‘𝐻)‘𝑃)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | ressdeg1.t | . . . . 5 ⊢ (𝜑 → 𝑇 ∈ (SubRing‘𝑅)) | |
| 2 | ressdeg1.h | . . . . . 6 ⊢ 𝐻 = (𝑅 ↾s 𝑇) | |
| 3 | eqid 2729 | . . . . . 6 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 4 | 2, 3 | subrg0 20499 | . . . . 5 ⊢ (𝑇 ∈ (SubRing‘𝑅) → (0g‘𝑅) = (0g‘𝐻)) |
| 5 | 1, 4 | syl 17 | . . . 4 ⊢ (𝜑 → (0g‘𝑅) = (0g‘𝐻)) |
| 6 | 5 | oveq2d 7385 | . . 3 ⊢ (𝜑 → ((coe1‘𝑃) supp (0g‘𝑅)) = ((coe1‘𝑃) supp (0g‘𝐻))) |
| 7 | 6 | supeq1d 9373 | . 2 ⊢ (𝜑 → sup(((coe1‘𝑃) supp (0g‘𝑅)), ℝ*, < ) = sup(((coe1‘𝑃) supp (0g‘𝐻)), ℝ*, < )) |
| 8 | ressdeg1.p | . . . . 5 ⊢ (𝜑 → 𝑃 ∈ 𝐵) | |
| 9 | eqid 2729 | . . . . . 6 ⊢ (Poly1‘𝑅) = (Poly1‘𝑅) | |
| 10 | ressdeg1.u | . . . . . 6 ⊢ 𝑈 = (Poly1‘𝐻) | |
| 11 | ressdeg1.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑈) | |
| 12 | eqid 2729 | . . . . . 6 ⊢ (PwSer1‘𝐻) = (PwSer1‘𝐻) | |
| 13 | eqid 2729 | . . . . . 6 ⊢ (Base‘(PwSer1‘𝐻)) = (Base‘(PwSer1‘𝐻)) | |
| 14 | eqid 2729 | . . . . . 6 ⊢ (Base‘(Poly1‘𝑅)) = (Base‘(Poly1‘𝑅)) | |
| 15 | 9, 2, 10, 11, 1, 12, 13, 14 | ressply1bas2 22145 | . . . . 5 ⊢ (𝜑 → 𝐵 = ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
| 16 | 8, 15 | eleqtrd 2830 | . . . 4 ⊢ (𝜑 → 𝑃 ∈ ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
| 17 | 16 | elin2d 4164 | . . 3 ⊢ (𝜑 → 𝑃 ∈ (Base‘(Poly1‘𝑅))) |
| 18 | ressdeg1.d | . . . 4 ⊢ 𝐷 = (deg1‘𝑅) | |
| 19 | eqid 2729 | . . . 4 ⊢ (coe1‘𝑃) = (coe1‘𝑃) | |
| 20 | 18, 9, 14, 3, 19 | deg1val 26034 | . . 3 ⊢ (𝑃 ∈ (Base‘(Poly1‘𝑅)) → (𝐷‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝑅)), ℝ*, < )) |
| 21 | 17, 20 | syl 17 | . 2 ⊢ (𝜑 → (𝐷‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝑅)), ℝ*, < )) |
| 22 | eqid 2729 | . . . 4 ⊢ (deg1‘𝐻) = (deg1‘𝐻) | |
| 23 | eqid 2729 | . . . 4 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
| 24 | 22, 10, 11, 23, 19 | deg1val 26034 | . . 3 ⊢ (𝑃 ∈ 𝐵 → ((deg1‘𝐻)‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝐻)), ℝ*, < )) |
| 25 | 8, 24 | syl 17 | . 2 ⊢ (𝜑 → ((deg1‘𝐻)‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝐻)), ℝ*, < )) |
| 26 | 7, 21, 25 | 3eqtr4d 2774 | 1 ⊢ (𝜑 → (𝐷‘𝑃) = ((deg1‘𝐻)‘𝑃)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1540 ∈ wcel 2109 ∩ cin 3910 ‘cfv 6499 (class class class)co 7369 supp csupp 8116 supcsup 9367 ℝ*cxr 11183 < clt 11184 Basecbs 17155 ↾s cress 17176 0gc0g 17378 SubRingcsubrg 20489 PwSer1cps1 22092 Poly1cpl1 22094 coe1cco1 22095 deg1cdg1 25992 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 ax-addf 11123 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-iin 4954 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-isom 6508 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-of 7633 df-ofr 7634 df-om 7823 df-1st 7947 df-2nd 7948 df-supp 8117 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-2o 8412 df-er 8648 df-map 8778 df-pm 8779 df-ixp 8848 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9289 df-sup 9369 df-oi 9439 df-card 9868 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12419 df-z 12506 df-dec 12626 df-uz 12770 df-fz 13445 df-fzo 13592 df-seq 13943 df-hash 14272 df-struct 17093 df-sets 17110 df-slot 17128 df-ndx 17140 df-base 17156 df-ress 17177 df-plusg 17209 df-mulr 17210 df-starv 17211 df-sca 17212 df-vsca 17213 df-ip 17214 df-tset 17215 df-ple 17216 df-ds 17218 df-unif 17219 df-hom 17220 df-cco 17221 df-0g 17380 df-gsum 17381 df-prds 17386 df-pws 17388 df-mre 17523 df-mrc 17524 df-acs 17526 df-mgm 18549 df-sgrp 18628 df-mnd 18644 df-mhm 18692 df-submnd 18693 df-grp 18850 df-minusg 18851 df-mulg 18982 df-subg 19037 df-ghm 19127 df-cntz 19231 df-cmn 19696 df-abl 19697 df-mgp 20061 df-rng 20073 df-ur 20102 df-ring 20155 df-cring 20156 df-subrng 20466 df-subrg 20490 df-cnfld 21297 df-psr 21851 df-mpl 21853 df-opsr 21855 df-psr1 22097 df-ply1 22099 df-coe1 22100 df-mdeg 25993 df-deg1 25994 |
| This theorem is referenced by: ressply1mon1p 33530 algextdeglem7 33706 algextdeglem8 33707 rtelextdg2lem 33709 constrcon 33757 |
| Copyright terms: Public domain | W3C validator |