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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 2736 | . 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 26108 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ∈ (Base‘𝑃)) |
| 10 | 7, 9 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (Base‘𝑃)) |
| 11 | eqid 2736 | . . . . . 6 ⊢ (0g‘𝑃) = (0g‘𝑃) | |
| 12 | 2, 11, 8 | mon1pn0 26110 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ≠ (0g‘𝑃)) |
| 13 | 7, 12 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ≠ (0g‘𝑃)) |
| 14 | 1, 2, 11, 3 | deg1nn0cl 26051 | . . . 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 2837 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℕ0) |
| 17 | 16 | nn0red 12465 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ) |
| 18 | 17 | leidd 11705 | . . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑋) |
| 19 | 5, 18 | eqbrtrd 5120 | . 2 ⊢ (𝜑 → (𝐷‘𝐹) ≤ 𝑋) |
| 20 | deg1submon1p.g1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑂) | |
| 21 | 2, 3, 8 | mon1pcl 26108 | . . 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 5120 | . 2 ⊢ (𝜑 → (𝐷‘𝐺) ≤ 𝑋) |
| 25 | eqid 2736 | . 2 ⊢ (coe1‘𝐹) = (coe1‘𝐹) | |
| 26 | eqid 2736 | . 2 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 27 | 5 | fveq2d 6838 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = ((coe1‘𝐹)‘𝑋)) |
| 28 | eqid 2736 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 29 | 1, 28, 8 | mon1pldg 26113 | . . . . 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 2773 | . . 3 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = (1r‘𝑅)) |
| 32 | 1, 28, 8 | mon1pldg 26113 | . . . 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 6838 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = ((coe1‘𝐺)‘𝑋)) |
| 35 | 31, 33, 34 | 3eqtr2d 2777 | . 2 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = ((coe1‘𝐺)‘𝑋)) |
| 36 | 1, 2, 3, 4, 16, 6, 10, 19, 22, 24, 25, 26, 35 | deg1sublt 26073 | 1 ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1541 ∈ wcel 2113 ≠ wne 2932 class class class wbr 5098 ‘cfv 6492 (class class class)co 7358 < clt 11168 ≤ cle 11169 ℕ0cn0 12403 Basecbs 17138 0gc0g 17361 -gcsg 18867 1rcur 20118 Ringcrg 20170 Poly1cpl1 22119 coe1cco1 22120 deg1cdg1 26017 Monic1pcmn1 26089 |
| 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 2184 ax-ext 2708 ax-rep 5224 ax-sep 5241 ax-nul 5251 ax-pow 5310 ax-pr 5377 ax-un 7680 ax-cnex 11084 ax-resscn 11085 ax-1cn 11086 ax-icn 11087 ax-addcl 11088 ax-addrcl 11089 ax-mulcl 11090 ax-mulrcl 11091 ax-mulcom 11092 ax-addass 11093 ax-mulass 11094 ax-distr 11095 ax-i2m1 11096 ax-1ne0 11097 ax-1rid 11098 ax-rnegex 11099 ax-rrecex 11100 ax-cnre 11101 ax-pre-lttri 11102 ax-pre-lttrn 11103 ax-pre-ltadd 11104 ax-pre-mulgt0 11105 ax-pre-sup 11106 ax-addf 11107 |
| 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 2539 df-eu 2569 df-clab 2715 df-cleq 2728 df-clel 2811 df-nfc 2885 df-ne 2933 df-nel 3037 df-ral 3052 df-rex 3061 df-rmo 3350 df-reu 3351 df-rab 3400 df-v 3442 df-sbc 3741 df-csb 3850 df-dif 3904 df-un 3906 df-in 3908 df-ss 3918 df-pss 3921 df-nul 4286 df-if 4480 df-pw 4556 df-sn 4581 df-pr 4583 df-tp 4585 df-op 4587 df-uni 4864 df-int 4903 df-iun 4948 df-iin 4949 df-br 5099 df-opab 5161 df-mpt 5180 df-tr 5206 df-id 5519 df-eprel 5524 df-po 5532 df-so 5533 df-fr 5577 df-se 5578 df-we 5579 df-xp 5630 df-rel 5631 df-cnv 5632 df-co 5633 df-dm 5634 df-rn 5635 df-res 5636 df-ima 5637 df-pred 6259 df-ord 6320 df-on 6321 df-lim 6322 df-suc 6323 df-iota 6448 df-fun 6494 df-fn 6495 df-f 6496 df-f1 6497 df-fo 6498 df-f1o 6499 df-fv 6500 df-isom 6501 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 8103 df-tpos 8168 df-frecs 8223 df-wrecs 8254 df-recs 8303 df-rdg 8341 df-1o 8397 df-2o 8398 df-er 8635 df-map 8767 df-pm 8768 df-ixp 8838 df-en 8886 df-dom 8887 df-sdom 8888 df-fin 8889 df-fsupp 9267 df-sup 9347 df-oi 9417 df-card 9853 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12148 df-2 12210 df-3 12211 df-4 12212 df-5 12213 df-6 12214 df-7 12215 df-8 12216 df-9 12217 df-n0 12404 df-z 12491 df-dec 12610 df-uz 12754 df-fz 13426 df-fzo 13573 df-seq 13927 df-hash 14256 df-struct 17076 df-sets 17093 df-slot 17111 df-ndx 17123 df-base 17139 df-ress 17160 df-plusg 17192 df-mulr 17193 df-starv 17194 df-sca 17195 df-vsca 17196 df-ip 17197 df-tset 17198 df-ple 17199 df-ds 17201 df-unif 17202 df-hom 17203 df-cco 17204 df-0g 17363 df-gsum 17364 df-prds 17369 df-pws 17371 df-mre 17507 df-mrc 17508 df-acs 17510 df-mgm 18567 df-sgrp 18646 df-mnd 18662 df-mhm 18710 df-submnd 18711 df-grp 18868 df-minusg 18869 df-sbg 18870 df-mulg 19000 df-subg 19055 df-ghm 19144 df-cntz 19248 df-cmn 19713 df-abl 19714 df-mgp 20078 df-rng 20090 df-ur 20119 df-ring 20172 df-cring 20173 df-oppr 20275 df-dvdsr 20295 df-unit 20296 df-invr 20326 df-subrng 20481 df-subrg 20505 df-rlreg 20629 df-lmod 20815 df-lss 20885 df-cnfld 21312 df-psr 21867 df-mpl 21869 df-opsr 21871 df-psr1 22122 df-ply1 22124 df-coe1 22125 df-mdeg 26018 df-deg1 26019 df-mon1 26094 |
| This theorem is referenced by: ig1peu 26138 |
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