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| Mirrors > Home > MPE Home > Th. List > deg1submon1p | Structured version Visualization version GIF version | ||
| Description: The difference of two monic polynomials of the same degree is a polynomial of lesser degree. (Contributed by Stefan O'Rear, 28-Mar-2015.) |
| Ref | Expression |
|---|---|
| deg1submon1p.d | ⊢ 𝐷 = (deg1‘𝑅) |
| deg1submon1p.o | ⊢ 𝑂 = (Monic1p‘𝑅) |
| deg1submon1p.p | ⊢ 𝑃 = (Poly1‘𝑅) |
| deg1submon1p.m | ⊢ − = (-g‘𝑃) |
| deg1submon1p.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| deg1submon1p.f1 | ⊢ (𝜑 → 𝐹 ∈ 𝑂) |
| deg1submon1p.f2 | ⊢ (𝜑 → (𝐷‘𝐹) = 𝑋) |
| deg1submon1p.g1 | ⊢ (𝜑 → 𝐺 ∈ 𝑂) |
| deg1submon1p.g2 | ⊢ (𝜑 → (𝐷‘𝐺) = 𝑋) |
| Ref | Expression |
|---|---|
| deg1submon1p | ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | deg1submon1p.d | . 2 ⊢ 𝐷 = (deg1‘𝑅) | |
| 2 | deg1submon1p.p | . 2 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 3 | eqid 2734 | . 2 ⊢ (Base‘𝑃) = (Base‘𝑃) | |
| 4 | deg1submon1p.m | . 2 ⊢ − = (-g‘𝑃) | |
| 5 | deg1submon1p.f2 | . . 3 ⊢ (𝜑 → (𝐷‘𝐹) = 𝑋) | |
| 6 | deg1submon1p.r | . . . 4 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 7 | deg1submon1p.f1 | . . . . 5 ⊢ (𝜑 → 𝐹 ∈ 𝑂) | |
| 8 | deg1submon1p.o | . . . . . 6 ⊢ 𝑂 = (Monic1p‘𝑅) | |
| 9 | 2, 3, 8 | mon1pcl 26104 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ∈ (Base‘𝑃)) |
| 10 | 7, 9 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (Base‘𝑃)) |
| 11 | eqid 2734 | . . . . . 6 ⊢ (0g‘𝑃) = (0g‘𝑃) | |
| 12 | 2, 11, 8 | mon1pn0 26106 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ≠ (0g‘𝑃)) |
| 13 | 7, 12 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ≠ (0g‘𝑃)) |
| 14 | 1, 2, 11, 3 | deg1nn0cl 26047 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ (Base‘𝑃) ∧ 𝐹 ≠ (0g‘𝑃)) → (𝐷‘𝐹) ∈ ℕ0) |
| 15 | 6, 10, 13, 14 | syl3anc 1373 | . . 3 ⊢ (𝜑 → (𝐷‘𝐹) ∈ ℕ0) |
| 16 | 5, 15 | eqeltrrd 2835 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℕ0) |
| 17 | 16 | nn0red 12461 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ) |
| 18 | 17 | leidd 11701 | . . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑋) |
| 19 | 5, 18 | eqbrtrd 5118 | . 2 ⊢ (𝜑 → (𝐷‘𝐹) ≤ 𝑋) |
| 20 | deg1submon1p.g1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑂) | |
| 21 | 2, 3, 8 | mon1pcl 26104 | . . 3 ⊢ (𝐺 ∈ 𝑂 → 𝐺 ∈ (Base‘𝑃)) |
| 22 | 20, 21 | syl 17 | . 2 ⊢ (𝜑 → 𝐺 ∈ (Base‘𝑃)) |
| 23 | deg1submon1p.g2 | . . 3 ⊢ (𝜑 → (𝐷‘𝐺) = 𝑋) | |
| 24 | 23, 18 | eqbrtrd 5118 | . 2 ⊢ (𝜑 → (𝐷‘𝐺) ≤ 𝑋) |
| 25 | eqid 2734 | . 2 ⊢ (coe1‘𝐹) = (coe1‘𝐹) | |
| 26 | eqid 2734 | . 2 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 27 | 5 | fveq2d 6836 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = ((coe1‘𝐹)‘𝑋)) |
| 28 | eqid 2734 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 29 | 1, 28, 8 | mon1pldg 26109 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = (1r‘𝑅)) |
| 30 | 7, 29 | syl 17 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = (1r‘𝑅)) |
| 31 | 27, 30 | eqtr3d 2771 | . . 3 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = (1r‘𝑅)) |
| 32 | 1, 28, 8 | mon1pldg 26109 | . . . 4 ⊢ (𝐺 ∈ 𝑂 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = (1r‘𝑅)) |
| 33 | 20, 32 | syl 17 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = (1r‘𝑅)) |
| 34 | 23 | fveq2d 6836 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = ((coe1‘𝐺)‘𝑋)) |
| 35 | 31, 33, 34 | 3eqtr2d 2775 | . 2 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = ((coe1‘𝐺)‘𝑋)) |
| 36 | 1, 2, 3, 4, 16, 6, 10, 19, 22, 24, 25, 26, 35 | deg1sublt 26069 | 1 ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ≠ wne 2930 class class class wbr 5096 ‘cfv 6490 (class class class)co 7356 < clt 11164 ≤ cle 11165 ℕ0cn0 12399 Basecbs 17134 0gc0g 17357 -gcsg 18863 1rcur 20114 Ringcrg 20166 Poly1cpl1 22115 coe1cco1 22116 deg1cdg1 26013 Monic1pcmn1 26085 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2115 ax-9 2123 ax-10 2146 ax-11 2162 ax-12 2182 ax-ext 2706 ax-rep 5222 ax-sep 5239 ax-nul 5249 ax-pow 5308 ax-pr 5375 ax-un 7678 ax-cnex 11080 ax-resscn 11081 ax-1cn 11082 ax-icn 11083 ax-addcl 11084 ax-addrcl 11085 ax-mulcl 11086 ax-mulrcl 11087 ax-mulcom 11088 ax-addass 11089 ax-mulass 11090 ax-distr 11091 ax-i2m1 11092 ax-1ne0 11093 ax-1rid 11094 ax-rnegex 11095 ax-rrecex 11096 ax-cnre 11097 ax-pre-lttri 11098 ax-pre-lttrn 11099 ax-pre-ltadd 11100 ax-pre-mulgt0 11101 ax-pre-sup 11102 ax-addf 11103 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2537 df-eu 2567 df-clab 2713 df-cleq 2726 df-clel 2809 df-nfc 2883 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3059 df-rmo 3348 df-reu 3349 df-rab 3398 df-v 3440 df-sbc 3739 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4579 df-pr 4581 df-tp 4583 df-op 4585 df-uni 4862 df-int 4901 df-iun 4946 df-iin 4947 df-br 5097 df-opab 5159 df-mpt 5178 df-tr 5204 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 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7620 df-ofr 7621 df-om 7807 df-1st 7931 df-2nd 7932 df-supp 8101 df-tpos 8166 df-frecs 8221 df-wrecs 8252 df-recs 8301 df-rdg 8339 df-1o 8395 df-2o 8396 df-er 8633 df-map 8763 df-pm 8764 df-ixp 8834 df-en 8882 df-dom 8883 df-sdom 8884 df-fin 8885 df-fsupp 9263 df-sup 9343 df-oi 9413 df-card 9849 df-pnf 11166 df-mnf 11167 df-xr 11168 df-ltxr 11169 df-le 11170 df-sub 11364 df-neg 11365 df-nn 12144 df-2 12206 df-3 12207 df-4 12208 df-5 12209 df-6 12210 df-7 12211 df-8 12212 df-9 12213 df-n0 12400 df-z 12487 df-dec 12606 df-uz 12750 df-fz 13422 df-fzo 13569 df-seq 13923 df-hash 14252 df-struct 17072 df-sets 17089 df-slot 17107 df-ndx 17119 df-base 17135 df-ress 17156 df-plusg 17188 df-mulr 17189 df-starv 17190 df-sca 17191 df-vsca 17192 df-ip 17193 df-tset 17194 df-ple 17195 df-ds 17197 df-unif 17198 df-hom 17199 df-cco 17200 df-0g 17359 df-gsum 17360 df-prds 17365 df-pws 17367 df-mre 17503 df-mrc 17504 df-acs 17506 df-mgm 18563 df-sgrp 18642 df-mnd 18658 df-mhm 18706 df-submnd 18707 df-grp 18864 df-minusg 18865 df-sbg 18866 df-mulg 18996 df-subg 19051 df-ghm 19140 df-cntz 19244 df-cmn 19709 df-abl 19710 df-mgp 20074 df-rng 20086 df-ur 20115 df-ring 20168 df-cring 20169 df-oppr 20271 df-dvdsr 20291 df-unit 20292 df-invr 20322 df-subrng 20477 df-subrg 20501 df-rlreg 20625 df-lmod 20811 df-lss 20881 df-cnfld 21308 df-psr 21863 df-mpl 21865 df-opsr 21867 df-psr1 22118 df-ply1 22120 df-coe1 22121 df-mdeg 26014 df-deg1 26015 df-mon1 26090 |
| This theorem is referenced by: ig1peu 26134 |
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