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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 2764 | . 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 26207 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ∈ (Base‘𝑃)) |
| 10 | 7, 9 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (Base‘𝑃)) |
| 11 | eqid 2764 | . . . . . 6 ⊢ (0g‘𝑃) = (0g‘𝑃) | |
| 12 | 2, 11, 8 | mon1pn0 26209 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ≠ (0g‘𝑃)) |
| 13 | 7, 12 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ≠ (0g‘𝑃)) |
| 14 | 1, 2, 11, 3 | deg1nn0cl 26150 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ (Base‘𝑃) ∧ 𝐹 ≠ (0g‘𝑃)) → (𝐷‘𝐹) ∈ ℕ0) |
| 15 | 6, 10, 13, 14 | syl3anc 1392 | . . 3 ⊢ (𝜑 → (𝐷‘𝐹) ∈ ℕ0) |
| 16 | 5, 15 | eqeltrrd 2865 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℕ0) |
| 17 | 16 | nn0red 12545 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ) |
| 18 | 17 | leidd 11755 | . . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑋) |
| 19 | 5, 18 | eqbrtrd 5124 | . 2 ⊢ (𝜑 → (𝐷‘𝐹) ≤ 𝑋) |
| 20 | deg1submon1p.g1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑂) | |
| 21 | 2, 3, 8 | mon1pcl 26207 | . . 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 5124 | . 2 ⊢ (𝜑 → (𝐷‘𝐺) ≤ 𝑋) |
| 25 | eqid 2764 | . 2 ⊢ (coe1‘𝐹) = (coe1‘𝐹) | |
| 26 | eqid 2764 | . 2 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 27 | 5 | fveq2d 6873 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = ((coe1‘𝐹)‘𝑋)) |
| 28 | eqid 2764 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 29 | 1, 28, 8 | mon1pldg 26212 | . . . . 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 2801 | . . 3 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = (1r‘𝑅)) |
| 32 | 1, 28, 8 | mon1pldg 26212 | . . . 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 6873 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = ((coe1‘𝐺)‘𝑋)) |
| 35 | 31, 33, 34 | 3eqtr2d 2805 | . 2 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = ((coe1‘𝐺)‘𝑋)) |
| 36 | 1, 2, 3, 4, 16, 6, 10, 19, 22, 24, 25, 26, 35 | deg1sublt 26172 | 1 ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1562 ∈ wcel 2144 ≠ wne 2959 class class class wbr 5102 ‘cfv 6523 (class class class)co 7398 < clt 11218 ≤ cle 11219 ℕ0cn0 12483 Basecbs 17247 0gc0g 17470 -gcsg 18979 1rcur 20233 Ringcrg 20285 Poly1cpl1 22241 coe1cco1 22242 deg1cdg1 26116 Monic1pcmn1 26188 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1817 ax-4 1831 ax-5 1932 ax-6 1989 ax-7 2030 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2214 ax-ext 2736 ax-rep 5229 ax-sep 5248 ax-nul 5258 ax-pow 5324 ax-pr 5392 ax-un 7720 ax-cnex 11131 ax-resscn 11132 ax-1cn 11133 ax-icn 11134 ax-addcl 11135 ax-addrcl 11136 ax-mulcl 11137 ax-mulrcl 11138 ax-mulcom 11139 ax-addass 11140 ax-mulass 11141 ax-distr 11142 ax-i2m1 11143 ax-1ne0 11144 ax-1rid 11145 ax-rnegex 11146 ax-rrecex 11147 ax-cnre 11148 ax-pre-lttri 11149 ax-pre-lttrn 11150 ax-pre-ltadd 11151 ax-pre-mulgt0 11152 ax-pre-sup 11153 ax-addf 11154 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1100 df-3an 1101 df-tru 1565 df-fal 1575 df-ex 1802 df-nf 1806 df-sb 2093 df-mo 2568 df-eu 2598 df-clab 2743 df-cleq 2756 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3064 df-ral 3079 df-rex 3089 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3458 df-sbc 3747 df-csb 3855 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-pss 3926 df-nul 4288 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5544 df-eprel 5549 df-po 5557 df-so 5558 df-fr 5602 df-se 5603 df-we 5604 df-xp 5655 df-rel 5656 df-cnv 5657 df-co 5658 df-dm 5659 df-rn 5660 df-res 5661 df-ima 5662 df-pred 6290 df-ord 6351 df-on 6352 df-lim 6353 df-suc 6354 df-iota 6479 df-fun 6525 df-fn 6526 df-f 6527 df-f1 6528 df-fo 6529 df-f1o 6530 df-fv 6531 df-isom 6532 df-riota 7355 df-ov 7401 df-oprab 7402 df-mpo 7403 df-of 7662 df-ofr 7663 df-om 7849 df-1st 7972 df-2nd 7973 df-supp 8143 df-tpos 8208 df-frecs 8264 df-wrecs 8295 df-recs 8344 df-rdg 8383 df-1o 8439 df-2o 8440 df-er 8680 df-map 8812 df-pm 8813 df-ixp 8882 df-en 8930 df-dom 8931 df-sdom 8932 df-fin 8933 df-fsupp 9310 df-sup 9390 df-oi 9460 df-card 9899 df-pnf 11220 df-mnf 11221 df-xr 11222 df-ltxr 11223 df-le 11224 df-sub 11418 df-neg 11419 df-nn 12213 df-2 12282 df-3 12283 df-4 12284 df-5 12285 df-6 12286 df-7 12287 df-8 12288 df-9 12289 df-n0 12484 df-z 12571 df-dec 12691 df-uz 12842 df-fz 13515 df-fzo 13662 df-seq 14017 df-hash 14346 df-struct 17185 df-sets 17202 df-slot 17220 df-ndx 17232 df-base 17248 df-ress 17269 df-plusg 17301 df-mulr 17302 df-starv 17303 df-sca 17304 df-vsca 17305 df-ip 17306 df-tset 17307 df-ple 17308 df-ds 17310 df-unif 17311 df-hom 17312 df-cco 17313 df-0g 17472 df-gsum 17473 df-prds 17478 df-pws 17480 df-mre 17616 df-mrc 17617 df-acs 17619 df-mgm 18676 df-sgrp 18755 df-mnd 18771 df-mhm 18819 df-submnd 18820 df-grp 18980 df-minusg 18981 df-sbg 18982 df-mulg 19112 df-subg 19167 df-ghm 19256 df-cntz 19359 df-cmn 19824 df-abl 19825 df-mgp 20189 df-rng 20201 df-ur 20234 df-ring 20287 df-cring 20288 df-oppr 20388 df-dvdsr 20408 df-unit 20409 df-invr 20439 df-subrng 20598 df-subrg 20622 df-rlreg 20746 df-lmod 20931 df-lss 21001 df-cnfld 21427 df-psr 21963 df-mpl 21965 df-opsr 21967 df-psr1 22244 df-ply1 22246 df-coe1 22247 df-mdeg 26117 df-deg1 26118 df-mon1 26193 |
| This theorem is referenced by: ig1peu 26237 |
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