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| Mirrors > Home > MPE Home > Th. List > deg1z | Structured version Visualization version GIF version | ||
| Description: Degree of the zero univariate polynomial. (Contributed by Stefan O'Rear, 23-Mar-2015.) |
| Ref | Expression |
|---|---|
| deg1z.d | ⊢ 𝐷 = (deg1‘𝑅) |
| deg1z.p | ⊢ 𝑃 = (Poly1‘𝑅) |
| deg1z.z | ⊢ 0 = (0g‘𝑃) |
| Ref | Expression |
|---|---|
| deg1z | ⊢ (𝑅 ∈ Ring → (𝐷‘ 0 ) = -∞) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | 1on 8482 | . 2 ⊢ 1o ∈ On | |
| 2 | deg1z.d | . . . 4 ⊢ 𝐷 = (deg1‘𝑅) | |
| 3 | 2 | deg1fval 26391 | . . 3 ⊢ 𝐷 = (1o mDeg 𝑅) |
| 4 | eqid 2761 | . . 3 ⊢ (1o mPoly 𝑅) = (1o mPoly 𝑅) | |
| 5 | deg1z.p | . . . 4 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 6 | deg1z.z | . . . 4 ⊢ 0 = (0g‘𝑃) | |
| 7 | 4, 5, 6 | ply1mpl0 22567 | . . 3 ⊢ 0 = (0g‘(1o mPoly 𝑅)) |
| 8 | 3, 4, 7 | mdeg0 26381 | . 2 ⊢ ((1o ∈ On ∧ 𝑅 ∈ Ring) → (𝐷‘ 0 ) = -∞) |
| 9 | 1, 8 | mpan 703 | 1 ⊢ (𝑅 ∈ Ring → (𝐷‘ 0 ) = -∞) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 Oncon0 6361 ‘cfv 6537 (class class class)co 7418 1oc1o 8462 -∞cmnf 11334 0gc0g 17603 Ringcrg 20452 mPoly cmpl 22207 Poly1cpl1 22488 deg1cdg1 26365 |
| 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 2733 ax-rep 5232 ax-sep 5249 ax-nul 5260 ax-pow 5327 ax-pr 5391 ax-un 7749 ax-cnex 11249 ax-resscn 11250 ax-1cn 11251 ax-icn 11252 ax-addcl 11253 ax-addrcl 11254 ax-mulcl 11255 ax-mulrcl 11256 ax-mulcom 11257 ax-addass 11258 ax-mulass 11259 ax-distr 11260 ax-i2m1 11261 ax-1ne0 11262 ax-1rid 11263 ax-rnegex 11264 ax-rrecex 11265 ax-cnre 11266 ax-pre-lttri 11267 ax-pre-lttrn 11268 ax-pre-ltadd 11269 ax-pre-mulgt0 11270 |
| 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 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3063 df-ral 3078 df-rex 3088 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3453 df-sbc 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-iun 4953 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5546 df-eprel 5551 df-po 5559 df-so 5560 df-fr 5604 df-we 5606 df-xp 5657 df-rel 5658 df-cnv 5659 df-co 5660 df-dm 5661 df-rn 5662 df-res 5663 df-ima 5664 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-riota 7375 df-ov 7421 df-oprab 7422 df-mpo 7423 df-of 7691 df-om 7876 df-1st 7999 df-2nd 8000 df-supp 8171 df-frecs 8292 df-wrecs 8323 df-recs 8372 df-rdg 8411 df-1o 8469 df-er 8710 df-map 8842 df-ixp 8919 df-en 8967 df-dom 8968 df-sdom 8969 df-fin 8970 df-fsupp 9347 df-sup 9427 df-pnf 11338 df-mnf 11339 df-xr 11340 df-ltxr 11341 df-le 11342 df-sub 11536 df-neg 11537 df-nn 12329 df-2 12398 df-3 12399 df-4 12400 df-5 12401 df-6 12402 df-7 12403 df-8 12404 df-9 12405 df-n0 12600 df-z 12687 df-dec 12808 df-uz 12959 df-fz 13633 df-struct 17318 df-sets 17335 df-slot 17353 df-ndx 17365 df-base 17381 df-ress 17402 df-plusg 17434 df-mulr 17435 df-sca 17437 df-vsca 17438 df-ip 17439 df-tset 17440 df-ple 17441 df-ds 17443 df-hom 17445 df-cco 17446 df-0g 17605 df-prds 17611 df-pws 17613 df-mgm 18809 df-sgrp 18901 df-mnd 18917 df-grp 19140 df-minusg 19141 df-subg 19326 df-ring 20454 df-psr 22210 df-mpl 22212 df-opsr 22214 df-psr1 22491 df-ply1 22493 df-mdeg 26366 df-deg1 26367 |
| This theorem is used by: deg1nn0clb 26401 deg1lt0 26402 deg1add 26414 ply1divex 26448 dvdsq1p 26474 ply1coedeg 34114 ply1degltel 34119 ply1degleel 34120 ply1degltlss 34121 ply1degltdimlem 34247 aks6d1c5lem3 43167 hbtlem2 44110 |
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