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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 2760 | . 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 26424 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ∈ (Base‘𝑃)) |
| 10 | 7, 9 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹 ∈ (Base‘𝑃)) |
| 11 | eqid 2760 | . . . . . 6 ⊢ (0g‘𝑃) = (0g‘𝑃) | |
| 12 | 2, 11, 8 | mon1pn0 26426 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → 𝐹 ≠ (0g‘𝑃)) |
| 13 | 7, 12 | syl 18 | . . . 4 ⊢ (𝜑 → 𝐹 ≠ (0g‘𝑃)) |
| 14 | 1, 2, 11, 3 | deg1nn0cl 26367 | . . . 4 ⊢ ((𝑅 ∈ Ring ∧ 𝐹 ∈ (Base‘𝑃) ∧ 𝐹 ≠ (0g‘𝑃)) → (𝐷‘𝐹) ∈ ℕ0) |
| 15 | 6, 10, 13, 14 | syl3anc 1398 | . . 3 ⊢ (𝜑 → (𝐷‘𝐹) ∈ ℕ0) |
| 16 | 5, 15 | eqeltrrd 2861 | . 2 ⊢ (𝜑 → 𝑋 ∈ ℕ0) |
| 17 | 16 | nn0red 12637 | . . . 4 ⊢ (𝜑 → 𝑋 ∈ ℝ) |
| 18 | 17 | leidd 11851 | . . 3 ⊢ (𝜑 → 𝑋 ≤ 𝑋) |
| 19 | 5, 18 | eqbrtrd 5126 | . 2 ⊢ (𝜑 → (𝐷‘𝐹) ≤ 𝑋) |
| 20 | deg1submon1p.g1 | . . 3 ⊢ (𝜑 → 𝐺 ∈ 𝑂) | |
| 21 | 2, 3, 8 | mon1pcl 26424 | . . 3 ⊢ (𝐺 ∈ 𝑂 → 𝐺 ∈ (Base‘𝑃)) |
| 22 | 20, 21 | syl 18 | . 2 ⊢ (𝜑 → 𝐺 ∈ (Base‘𝑃)) |
| 23 | deg1submon1p.g2 | . . 3 ⊢ (𝜑 → (𝐷‘𝐺) = 𝑋) | |
| 24 | 23, 18 | eqbrtrd 5126 | . 2 ⊢ (𝜑 → (𝐷‘𝐺) ≤ 𝑋) |
| 25 | eqid 2760 | . 2 ⊢ (coe1‘𝐹) = (coe1‘𝐹) | |
| 26 | eqid 2760 | . 2 ⊢ (coe1‘𝐺) = (coe1‘𝐺) | |
| 27 | 5 | fveq2d 6877 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = ((coe1‘𝐹)‘𝑋)) |
| 28 | eqid 2760 | . . . . . 6 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 29 | 1, 28, 8 | mon1pldg 26429 | . . . . 5 ⊢ (𝐹 ∈ 𝑂 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = (1r‘𝑅)) |
| 30 | 7, 29 | syl 18 | . . . 4 ⊢ (𝜑 → ((coe1‘𝐹)‘(𝐷‘𝐹)) = (1r‘𝑅)) |
| 31 | 27, 30 | eqtr3d 2797 | . . 3 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = (1r‘𝑅)) |
| 32 | 1, 28, 8 | mon1pldg 26429 | . . . 4 ⊢ (𝐺 ∈ 𝑂 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = (1r‘𝑅)) |
| 33 | 20, 32 | syl 18 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = (1r‘𝑅)) |
| 34 | 23 | fveq2d 6877 | . . 3 ⊢ (𝜑 → ((coe1‘𝐺)‘(𝐷‘𝐺)) = ((coe1‘𝐺)‘𝑋)) |
| 35 | 31, 33, 34 | 3eqtr2d 2801 | . 2 ⊢ (𝜑 → ((coe1‘𝐹)‘𝑋) = ((coe1‘𝐺)‘𝑋)) |
| 36 | 1, 2, 3, 4, 16, 6, 10, 19, 22, 24, 25, 26, 35 | deg1sublt 26389 | 1 ⊢ (𝜑 → (𝐷‘(𝐹 − 𝐺)) < 𝑋) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ≠ wne 2955 class class class wbr 5102 ‘cfv 6527 (class class class)co 7408 < clt 11314 ≤ cle 11315 ℕ0cn0 12575 Basecbs 17348 0gc0g 17571 -gcsg 19107 1rcur 20368 Ringcrg 20420 Poly1cpl1 22456 coe1cco1 22457 deg1cdg1 26333 Monic1pcmn1 26405 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7734 ax-cnex 11227 ax-resscn 11228 ax-1cn 11229 ax-icn 11230 ax-addcl 11231 ax-addrcl 11232 ax-mulcl 11233 ax-mulrcl 11234 ax-mulcom 11235 ax-addass 11236 ax-mulass 11237 ax-distr 11238 ax-i2m1 11239 ax-1ne0 11240 ax-1rid 11241 ax-rnegex 11242 ax-rrecex 11243 ax-cnre 11244 ax-pre-lttri 11245 ax-pre-lttrn 11246 ax-pre-ltadd 11247 ax-pre-mulgt0 11248 ax-pre-sup 11249 ax-addf 11250 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2100 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-dif 3901 df-un 3903 df-in 3905 df-ss 3915 df-pss 3918 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4584 df-pr 4586 df-tp 4588 df-op 4590 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-se 5601 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6293 df-ord 6354 df-on 6355 df-lim 6356 df-suc 6357 df-iota 6483 df-fun 6529 df-fn 6530 df-f 6531 df-f1 6532 df-fo 6533 df-f1o 6534 df-fv 6535 df-isom 6536 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-of 7676 df-ofr 7677 df-om 7861 df-1st 7984 df-2nd 7985 df-supp 8156 df-tpos 8221 df-frecs 8277 df-wrecs 8308 df-recs 8357 df-rdg 8396 df-1o 8454 df-2o 8455 df-er 8695 df-map 8827 df-pm 8828 df-ixp 8904 df-en 8952 df-dom 8953 df-sdom 8954 df-fin 8955 df-fsupp 9332 df-sup 9412 df-oi 9482 df-card 9991 df-pnf 11316 df-mnf 11317 df-xr 11318 df-ltxr 11319 df-le 11320 df-sub 11514 df-neg 11515 df-nn 12305 df-2 12374 df-3 12375 df-4 12376 df-5 12377 df-6 12378 df-7 12379 df-8 12380 df-9 12381 df-n0 12576 df-z 12663 df-dec 12784 df-uz 12935 df-fz 13609 df-fzo 13757 df-seq 14113 df-hash 14442 df-struct 17286 df-sets 17303 df-slot 17321 df-ndx 17333 df-base 17349 df-ress 17370 df-plusg 17402 df-mulr 17403 df-starv 17404 df-sca 17405 df-vsca 17406 df-ip 17407 df-tset 17408 df-ple 17409 df-ds 17411 df-unif 17412 df-hom 17413 df-cco 17414 df-0g 17573 df-gsum 17574 df-prds 17579 df-pws 17581 df-mre 17717 df-mrc 17718 df-acs 17720 df-mgm 18777 df-sgrp 18869 df-mnd 18885 df-mhm 18939 df-submnd 18940 df-grp 19108 df-minusg 19109 df-sbg 19110 df-mulg 19239 df-subg 19294 df-ghm 19389 df-cntz 19492 df-cmn 19957 df-abl 19958 df-mgp 20322 df-rng 20336 df-ur 20369 df-ring 20422 df-cring 20423 df-oppr 20528 df-dvdsr 20548 df-unit 20549 df-invr 20579 df-subrng 20759 df-subrg 20783 df-rlreg 20907 df-lmod 21098 df-lss 21168 df-cnfld 21640 df-psr 22178 df-mpl 22180 df-opsr 22182 df-psr1 22459 df-ply1 22461 df-coe1 22462 df-mdeg 26334 df-deg1 26335 df-mon1 26410 |
| This theorem is used by: ig1peu 26454 |
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