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| Mirrors > Home > MPE Home > Th. List > deg1cl | Structured version Visualization version GIF version | ||
| Description: Sharp closure of univariate polynomial degree. (Contributed by Stefan O'Rear, 23-Mar-2015.) |
| Ref | Expression |
|---|---|
| deg1xrf.d | ⊢ 𝐷 = (deg1‘𝑅) |
| deg1xrf.p | ⊢ 𝑃 = (Poly1‘𝑅) |
| deg1xrf.b | ⊢ 𝐵 = (Base‘𝑃) |
| Ref | Expression |
|---|---|
| deg1cl | ⊢ (𝐹 ∈ 𝐵 → (𝐷‘𝐹) ∈ (ℕ0 ∪ {-∞})) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | deg1xrf.d | . . 3 ⊢ 𝐷 = (deg1‘𝑅) | |
| 2 | 1 | deg1fval 26206 | . 2 ⊢ 𝐷 = (1o mDeg 𝑅) |
| 3 | eqid 2769 | . 2 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
| 4 | deg1xrf.p | . . 3 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 5 | deg1xrf.b | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
| 6 | 4, 5 | ply1bas 22324 | . 2 ⊢ 𝐵 = (Base‘(1o mPoly 𝑅)) |
| 7 | 2, 3, 6 | mdegcl 26195 | 1 ⊢ (𝐹 ∈ 𝐵 → (𝐷‘𝐹) ∈ (ℕ0 ∪ {-∞})) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 ∪ cun 3911 {csn 4594 ‘cfv 6537 (class class class)co 7411 1oc1o 8446 -∞cmnf 11241 ℕ0cn0 12504 Basecbs 17269 mPoly cmpl 22025 Poly1cpl1 22306 deg1cdg1 26180 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-addf 11179 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7675 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8157 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-er 8694 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-fsupp 9322 df-sup 9402 df-oi 9472 df-card 9925 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-nn 12234 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12505 df-z 12592 df-dec 12712 df-uz 12863 df-fz 13536 df-fzo 13683 df-seq 14038 df-hash 14367 df-struct 17207 df-sets 17224 df-slot 17242 df-ndx 17254 df-base 17270 df-ress 17291 df-plusg 17323 df-mulr 17324 df-starv 17325 df-sca 17326 df-vsca 17327 df-tset 17329 df-ple 17330 df-ds 17332 df-unif 17333 df-0g 17494 df-gsum 17495 df-mgm 18698 df-sgrp 18777 df-mnd 18793 df-submnd 18842 df-grp 19003 df-minusg 19004 df-cntz 19387 df-cmn 19852 df-abl 19853 df-mgp 20217 df-ur 20264 df-ring 20317 df-cring 20318 df-cnfld 21492 df-psr 22028 df-mpl 22030 df-opsr 22032 df-psr1 22309 df-ply1 22311 df-mdeg 26181 df-deg1 26182 |
| This theorem is referenced by: ply1divex 26263 ply1rem 26292 plypf1 26338 vietadeg1 33913 algextdeglem8 34059 hbtlem5 43747 |
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