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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 2737 | . 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 26112 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ∈ (Base‘𝑃)) |
| 10 | 7, 9 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (Base‘𝑃)) |
| 11 | eqid 2737 | . . . . . 6 ⊢ (0g‘𝑃) = (0g‘𝑃) | |
| 12 | 2, 11, 8 | mon1pn0 26114 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ≠ (0g‘𝑃)) |
| 13 | 7, 12 | syl 17 | . . . 4 ⊢ (𝜑 → 𝐹 ≠ (0g‘𝑃)) |
| 14 | 1, 2, 11, 3 | deg1nn0cl 26055 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ (Base‘𝑃) ∧ 𝐹 ≠ (0g‘𝑃)) → (𝐷‘𝐹) ∈ ℕ0) |
| 15 | 6, 10, 13, 14 | syl3anc 1374 | . . 3 ⊢ (𝜑 → (𝐷‘𝐹) ∈ ℕ0) |
| 16 | 5, 15 | eqeltrrd 2838 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℕ0) |
| 17 | 16 | nn0red 12501 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ) |
| 18 | 17 | leidd 11718 | . . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑋) |
| 19 | 5, 18 | eqbrtrd 5108 | . 2 ⊢ (𝜑 → (𝐷‘𝐹) ≤ 𝑋) |
| 20 | deg1submon1p.g1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑂) | |
| 21 | 2, 3, 8 | mon1pcl 26112 | . . 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 5108 | . 2 ⊢ (𝜑 → (𝐷‘𝐺) ≤ 𝑋) |
| 25 | eqid 2737 | . 2 ⊢ (coe1‘𝐹) = (coe1‘𝐹) | |
| 26 | eqid 2737 | . 2 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 27 | 5 | fveq2d 6846 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = ((coe1‘𝐹)‘𝑋)) |
| 28 | eqid 2737 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 29 | 1, 28, 8 | mon1pldg 26117 | . . . . 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 2774 | . . 3 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = (1r‘𝑅)) |
| 32 | 1, 28, 8 | mon1pldg 26117 | . . . 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 6846 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = ((coe1‘𝐺)‘𝑋)) |
| 35 | 31, 33, 34 | 3eqtr2d 2778 | . 2 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = ((coe1‘𝐺)‘𝑋)) |
| 36 | 1, 2, 3, 4, 16, 6, 10, 19, 22, 24, 25, 26, 35 | deg1sublt 26077 | 1 ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ≠ wne 2933 class class class wbr 5086 ‘cfv 6500 (class class class)co 7369 < clt 11181 ≤ cle 11182 ℕ0cn0 12439 Basecbs 17181 0gc0g 17404 -gcsg 18913 1rcur 20164 Ringcrg 20216 Poly1cpl1 22142 coe1cco1 22143 deg1cdg1 26021 Monic1pcmn1 26093 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-10 2147 ax-11 2163 ax-12 2185 ax-ext 2709 ax-rep 5213 ax-sep 5232 ax-nul 5242 ax-pow 5308 ax-pr 5376 ax-un 7691 ax-cnex 11096 ax-resscn 11097 ax-1cn 11098 ax-icn 11099 ax-addcl 11100 ax-addrcl 11101 ax-mulcl 11102 ax-mulrcl 11103 ax-mulcom 11104 ax-addass 11105 ax-mulass 11106 ax-distr 11107 ax-i2m1 11108 ax-1ne0 11109 ax-1rid 11110 ax-rnegex 11111 ax-rrecex 11112 ax-cnre 11113 ax-pre-lttri 11114 ax-pre-lttrn 11115 ax-pre-ltadd 11116 ax-pre-mulgt0 11117 ax-pre-sup 11118 ax-addf 11119 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1545 df-fal 1555 df-ex 1782 df-nf 1786 df-sb 2069 df-mo 2540 df-eu 2570 df-clab 2716 df-cleq 2729 df-clel 2812 df-nfc 2886 df-ne 2934 df-nel 3038 df-ral 3053 df-rex 3063 df-rmo 3343 df-reu 3344 df-rab 3391 df-v 3432 df-sbc 3730 df-csb 3839 df-dif 3893 df-un 3895 df-in 3897 df-ss 3907 df-pss 3910 df-nul 4275 df-if 4468 df-pw 4544 df-sn 4569 df-pr 4571 df-tp 4573 df-op 4575 df-uni 4852 df-int 4891 df-iun 4936 df-iin 4937 df-br 5087 df-opab 5149 df-mpt 5168 df-tr 5194 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-se 5586 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-isom 6509 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-of 7633 df-ofr 7634 df-om 7820 df-1st 7944 df-2nd 7945 df-supp 8113 df-tpos 8178 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-2o 8408 df-er 8645 df-map 8777 df-pm 8778 df-ixp 8848 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9277 df-sup 9357 df-oi 9427 df-card 9865 df-pnf 11183 df-mnf 11184 df-xr 11185 df-ltxr 11186 df-le 11187 df-sub 11381 df-neg 11382 df-nn 12177 df-2 12246 df-3 12247 df-4 12248 df-5 12249 df-6 12250 df-7 12251 df-8 12252 df-9 12253 df-n0 12440 df-z 12527 df-dec 12647 df-uz 12791 df-fz 13464 df-fzo 13611 df-seq 13966 df-hash 14295 df-struct 17119 df-sets 17136 df-slot 17154 df-ndx 17166 df-base 17182 df-ress 17203 df-plusg 17235 df-mulr 17236 df-starv 17237 df-sca 17238 df-vsca 17239 df-ip 17240 df-tset 17241 df-ple 17242 df-ds 17244 df-unif 17245 df-hom 17246 df-cco 17247 df-0g 17406 df-gsum 17407 df-prds 17412 df-pws 17414 df-mre 17550 df-mrc 17551 df-acs 17553 df-mgm 18610 df-sgrp 18689 df-mnd 18705 df-mhm 18753 df-submnd 18754 df-grp 18914 df-minusg 18915 df-sbg 18916 df-mulg 19046 df-subg 19101 df-ghm 19190 df-cntz 19294 df-cmn 19759 df-abl 19760 df-mgp 20124 df-rng 20136 df-ur 20165 df-ring 20218 df-cring 20219 df-oppr 20319 df-dvdsr 20339 df-unit 20340 df-invr 20370 df-subrng 20525 df-subrg 20549 df-rlreg 20673 df-lmod 20859 df-lss 20929 df-cnfld 21355 df-psr 21891 df-mpl 21893 df-opsr 21895 df-psr1 22145 df-ply1 22147 df-coe1 22148 df-mdeg 26022 df-deg1 26023 df-mon1 26098 |
| This theorem is referenced by: ig1peu 26142 |
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