| 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 2762 | . . . . . 6 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 4 | 2, 3 | subrg0 20689 | . . . . 5 ⊢ (𝑇 ∈ (SubRing‘𝑅) → (0g‘𝑅) = (0g‘𝐻)) |
| 5 | 1, 4 | syl 18 | . . . 4 ⊢ (𝜑 → (0g‘𝑅) = (0g‘𝐻)) |
| 6 | 5 | oveq2d 7428 | . . 3 ⊢ (𝜑 → ((coe1‘𝑃) supp (0g‘𝑅)) = ((coe1‘𝑃) supp (0g‘𝐻))) |
| 7 | 6 | supeq1d 9404 | . 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 2762 | . . . . . 6 ⊢ (Poly1‘𝑅) = (Poly1‘𝑅) | |
| 10 | ressdeg1.u | . . . . . 6 ⊢ 𝑈 = (Poly1‘𝐻) | |
| 11 | ressdeg1.b | . . . . . 6 ⊢ 𝐵 = (Base‘𝑈) | |
| 12 | eqid 2762 | . . . . . 6 ⊢ (PwSer1‘𝐻) = (PwSer1‘𝐻) | |
| 13 | eqid 2762 | . . . . . 6 ⊢ (Base‘(PwSer1‘𝐻)) = (Base‘(PwSer1‘𝐻)) | |
| 14 | eqid 2762 | . . . . . 6 ⊢ (Base‘(Poly1‘𝑅)) = (Base‘(Poly1‘𝑅)) | |
| 15 | 9, 2, 10, 11, 1, 12, 13, 14 | ressply1bas2 22398 | . . . . 5 ⊢ (𝜑 → 𝐵 = ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
| 16 | 8, 15 | eleqtrd 2864 | . . . 4 ⊢ (𝜑 → 𝑃 ∈ ((Base‘(PwSer1‘𝐻)) ∩ (Base‘(Poly1‘𝑅)))) |
| 17 | 16 | elin2d 4157 | . . 3 ⊢ (𝜑 → 𝑃 ∈ (Base‘(Poly1‘𝑅))) |
| 18 | ressdeg1.d | . . . 4 ⊢ 𝐷 = (deg1‘𝑅) | |
| 19 | eqid 2762 | . . . 4 ⊢ (coe1‘𝑃) = (coe1‘𝑃) | |
| 20 | 18, 9, 14, 3, 19 | deg1val 26264 | . . 3 ⊢ (𝑃 ∈ (Base‘(Poly1‘𝑅)) → (𝐷‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝑅)), ℝ*, < )) |
| 21 | 17, 20 | syl 18 | . 2 ⊢ (𝜑 → (𝐷‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝑅)), ℝ*, < )) |
| 22 | eqid 2762 | . . . 4 ⊢ (deg1‘𝐻) = (deg1‘𝐻) | |
| 23 | eqid 2762 | . . . 4 ⊢ (0g‘𝐻) = (0g‘𝐻) | |
| 24 | 22, 10, 11, 23, 19 | deg1val 26264 | . . 3 ⊢ (𝑃 ∈ 𝐵 → ((deg1‘𝐻)‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝐻)), ℝ*, < )) |
| 25 | 8, 24 | syl 18 | . 2 ⊢ (𝜑 → ((deg1‘𝐻)‘𝑃) = sup(((coe1‘𝑃) supp (0g‘𝐻)), ℝ*, < )) |
| 26 | 7, 21, 25 | 3eqtr4d 2807 | 1 ⊢ (𝜑 → (𝐷‘𝑃) = ((deg1‘𝐻)‘𝑃)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1569 ∈ wcel 2142 ∩ cin 3903 ‘cfv 6536 (class class class)co 7412 supp csupp 8154 supcsup 9398 ℝ*cxr 11248 < clt 11249 Basecbs 17275 ↾s cress 17296 0gc0g 17498 SubRingcsubrg 20679 PwSer1cps1 22346 Poly1cpl1 22348 coe1cco1 22349 deg1cdg1 26222 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1824 ax-4 1838 ax-5 1939 ax-6 1996 ax-7 2037 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5237 ax-sep 5256 ax-nul 5268 ax-pow 5335 ax-pr 5403 ax-un 7734 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-addf 11185 |
| This proof depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1103 df-3an 1104 df-tru 1572 df-fal 1582 df-ex 1809 df-nf 1813 df-sb 2096 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3368 df-reu 3369 df-rab 3416 df-v 3456 df-sbc 3744 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4487 df-pw 4563 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4595 df-uni 4872 df-int 4912 df-iun 4957 df-iin 4958 df-br 5109 df-opab 5173 df-mpt 5192 df-tr 5218 df-id 5555 df-eprel 5560 df-po 5568 df-so 5569 df-fr 5613 df-se 5614 df-we 5615 df-xp 5666 df-rel 5667 df-cnv 5668 df-co 5669 df-dm 5670 df-rn 5671 df-res 5672 df-ima 5673 df-pred 6302 df-ord 6363 df-on 6364 df-lim 6365 df-suc 6366 df-iota 6492 df-fun 6538 df-fn 6539 df-f 6540 df-f1 6541 df-fo 6542 df-f1o 6543 df-fv 6544 df-isom 6545 df-riota 7369 df-ov 7415 df-oprab 7416 df-mpo 7417 df-of 7676 df-ofr 7677 df-om 7861 df-1st 7984 df-2nd 7985 df-supp 8155 df-frecs 8276 df-wrecs 8307 df-recs 8356 df-rdg 8395 df-1o 8451 df-2o 8452 df-er 8692 df-map 8824 df-pm 8825 df-ixp 8894 df-en 8942 df-dom 8943 df-sdom 8944 df-fin 8945 df-fsupp 9320 df-sup 9400 df-oi 9470 df-card 9932 df-pnf 11251 df-mnf 11252 df-xr 11253 df-ltxr 11254 df-le 11255 df-sub 11449 df-neg 11450 df-nn 12240 df-2 12309 df-3 12310 df-4 12311 df-5 12312 df-6 12313 df-7 12314 df-8 12315 df-9 12316 df-n0 12511 df-z 12598 df-dec 12718 df-uz 12869 df-fz 13542 df-fzo 13690 df-seq 14045 df-hash 14374 df-struct 17213 df-sets 17230 df-slot 17248 df-ndx 17260 df-base 17276 df-ress 17297 df-plusg 17329 df-mulr 17330 df-starv 17331 df-sca 17332 df-vsca 17333 df-ip 17334 df-tset 17335 df-ple 17336 df-ds 17338 df-unif 17339 df-hom 17340 df-cco 17341 df-0g 17500 df-gsum 17501 df-prds 17506 df-pws 17508 df-mre 17644 df-mrc 17645 df-acs 17647 df-mgm 18704 df-sgrp 18783 df-mnd 18799 df-mhm 18847 df-submnd 18848 df-grp 19009 df-minusg 19010 df-mulg 19140 df-subg 19195 df-ghm 19290 df-cntz 19393 df-cmn 19858 df-abl 19859 df-mgp 20223 df-rng 20237 df-ur 20270 df-ring 20323 df-cring 20324 df-subrng 20656 df-subrg 20680 df-cnfld 21534 df-psr 22070 df-mpl 22072 df-opsr 22074 df-psr1 22351 df-ply1 22353 df-coe1 22354 df-mdeg 26223 df-deg1 26224 |
| This theorem is used by: ressply1mon1p 33867 algextdeglem7 34122 algextdeglem8 34123 rtelextdg2lem 34125 constrcon 34173 |
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