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Mathbox for Thierry Arnoux |
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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 2734 | . . . . . 6 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
4 | 2, 3 | subrg0 20595 | . . . . 5 ⊢ (𝑇 ∈ (SubRing‘𝑅) → (0g‘𝑅) = (0g‘𝐻)) |
5 | 1, 4 | syl 17 | . . . 4 ⊢ (𝜑 → (0g‘𝑅) = (0g‘𝐻)) |
6 | 5 | oveq2d 7446 | . . 3 ⊢ (𝜑 → ((coe1‘𝑃) supp (0g‘𝑅)) = ((coe1‘𝑃) supp (0g‘𝐻))) |
7 | 6 | supeq1d 9483 | . 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 2734 | . . . . . 6 ⊢ (Poly1‘𝑅) = (Poly1‘𝑅) | |
10 | ressdeg1.u | . . . . . 6 ⊢ 𝑈 = (Poly1‘𝐻) | |
11 | ressdeg1.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑈) | |
12 | eqid 2734 | . . . . . 6 ⊢ (PwSer1‘𝐻) = (PwSer1‘𝐻) | |
13 | eqid 2734 | . . . . . 6 ⊢ (Base‘(PwSer1‘𝐻)) = (Base‘(PwSer1‘𝐻)) | |
14 | eqid 2734 | . . . . . 6 ⊢ (Base‘(Poly1‘𝑅)) = (Base‘(Poly1‘𝑅)) | |
15 | 9, 2, 10, 11, 1, 12, 13, 14 | ressply1bas2 22244 | . . . . 5 ⊢ (𝜑 → 𝐵 = ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
16 | 8, 15 | eleqtrd 2840 | . . . 4 ⊢ (𝜑 → 𝑃 ∈ ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
17 | 16 | elin2d 4214 | . . 3 ⊢ (𝜑 → 𝑃 ∈ (Base‘(Poly1‘𝑅))) |
18 | ressdeg1.d | . . . 4 ⊢ 𝐷 = (deg1‘𝑅) | |
19 | eqid 2734 | . . . 4 ⊢ (coe1‘𝑃) = (coe1‘𝑃) | |
20 | 18, 9, 14, 3, 19 | deg1val 26149 | . . 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 2734 | . . . 4 ⊢ (deg1‘𝐻) = (deg1‘𝐻) | |
23 | eqid 2734 | . . . 4 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
24 | 22, 10, 11, 23, 19 | deg1val 26149 | . . 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 2784 | 1 ⊢ (𝜑 → (𝐷‘𝑃) = ((deg1‘𝐻)‘𝑃)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1536 ∈ wcel 2105 ∩ cin 3961 ‘cfv 6562 (class class class)co 7430 supp csupp 8183 supcsup 9477 ℝ*cxr 11291 < clt 11292 Basecbs 17244 ↾s cress 17273 0gc0g 17485 SubRingcsubrg 20585 PwSer1cps1 22191 Poly1cpl1 22193 coe1cco1 22194 deg1cdg1 26107 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1791 ax-4 1805 ax-5 1907 ax-6 1964 ax-7 2004 ax-8 2107 ax-9 2115 ax-10 2138 ax-11 2154 ax-12 2174 ax-ext 2705 ax-rep 5284 ax-sep 5301 ax-nul 5311 ax-pow 5370 ax-pr 5437 ax-un 7753 ax-cnex 11208 ax-resscn 11209 ax-1cn 11210 ax-icn 11211 ax-addcl 11212 ax-addrcl 11213 ax-mulcl 11214 ax-mulrcl 11215 ax-mulcom 11216 ax-addass 11217 ax-mulass 11218 ax-distr 11219 ax-i2m1 11220 ax-1ne0 11221 ax-1rid 11222 ax-rnegex 11223 ax-rrecex 11224 ax-cnre 11225 ax-pre-lttri 11226 ax-pre-lttrn 11227 ax-pre-ltadd 11228 ax-pre-mulgt0 11229 ax-addf 11231 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1539 df-fal 1549 df-ex 1776 df-nf 1780 df-sb 2062 df-mo 2537 df-eu 2566 df-clab 2712 df-cleq 2726 df-clel 2813 df-nfc 2889 df-ne 2938 df-nel 3044 df-ral 3059 df-rex 3068 df-rmo 3377 df-reu 3378 df-rab 3433 df-v 3479 df-sbc 3791 df-csb 3908 df-dif 3965 df-un 3967 df-in 3969 df-ss 3979 df-pss 3982 df-nul 4339 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-tp 4635 df-op 4637 df-uni 4912 df-int 4951 df-iun 4997 df-iin 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5582 df-eprel 5588 df-po 5596 df-so 5597 df-fr 5640 df-se 5641 df-we 5642 df-xp 5694 df-rel 5695 df-cnv 5696 df-co 5697 df-dm 5698 df-rn 5699 df-res 5700 df-ima 5701 df-pred 6322 df-ord 6388 df-on 6389 df-lim 6390 df-suc 6391 df-iota 6515 df-fun 6564 df-fn 6565 df-f 6566 df-f1 6567 df-fo 6568 df-f1o 6569 df-fv 6570 df-isom 6571 df-riota 7387 df-ov 7433 df-oprab 7434 df-mpo 7435 df-of 7696 df-ofr 7697 df-om 7887 df-1st 8012 df-2nd 8013 df-supp 8184 df-frecs 8304 df-wrecs 8335 df-recs 8409 df-rdg 8448 df-1o 8504 df-2o 8505 df-er 8743 df-map 8866 df-pm 8867 df-ixp 8936 df-en 8984 df-dom 8985 df-sdom 8986 df-fin 8987 df-fsupp 9399 df-sup 9479 df-oi 9547 df-card 9976 df-pnf 11294 df-mnf 11295 df-xr 11296 df-ltxr 11297 df-le 11298 df-sub 11491 df-neg 11492 df-nn 12264 df-2 12326 df-3 12327 df-4 12328 df-5 12329 df-6 12330 df-7 12331 df-8 12332 df-9 12333 df-n0 12524 df-z 12611 df-dec 12731 df-uz 12876 df-fz 13544 df-fzo 13691 df-seq 14039 df-hash 14366 df-struct 17180 df-sets 17197 df-slot 17215 df-ndx 17227 df-base 17245 df-ress 17274 df-plusg 17310 df-mulr 17311 df-starv 17312 df-sca 17313 df-vsca 17314 df-ip 17315 df-tset 17316 df-ple 17317 df-ds 17319 df-unif 17320 df-hom 17321 df-cco 17322 df-0g 17487 df-gsum 17488 df-prds 17493 df-pws 17495 df-mre 17630 df-mrc 17631 df-acs 17633 df-mgm 18665 df-sgrp 18744 df-mnd 18760 df-mhm 18808 df-submnd 18809 df-grp 18966 df-minusg 18967 df-mulg 19098 df-subg 19153 df-ghm 19243 df-cntz 19347 df-cmn 19814 df-abl 19815 df-mgp 20152 df-rng 20170 df-ur 20199 df-ring 20252 df-cring 20253 df-subrng 20562 df-subrg 20586 df-cnfld 21382 df-psr 21946 df-mpl 21948 df-opsr 21950 df-psr1 22196 df-ply1 22198 df-coe1 22199 df-mdeg 26108 df-deg1 26109 |
This theorem is referenced by: ressply1mon1p 33572 algextdeglem7 33728 algextdeglem8 33729 rtelextdg2lem 33731 |
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