| Metamath Proof Explorer |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > mplcoe4 | Structured version Visualization version GIF version | ||
| Description: Decompose a polynomial into a finite sum of scaled monomials. (Contributed by Stefan O'Rear, 8-Mar-2015.) |
| Ref | Expression |
|---|---|
| mplcoe4.p | ⊢ 𝑃 = (𝐼 mPoly 𝑅) |
| mplcoe4.d | ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} |
| mplcoe4.z | ⊢ 0 = (0g‘𝑅) |
| mplcoe4.b | ⊢ 𝐵 = (Base‘𝑃) |
| mplcoe4.i | ⊢ (𝜑 → 𝐼 ∈ 𝑊) |
| mplcoe4.r | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| mplcoe4.x | ⊢ (𝜑 → 𝑋 ∈ 𝐵) |
| Ref | Expression |
|---|---|
| mplcoe4 | ⊢ (𝜑 → 𝑋 = (𝑃 Σg (𝑘 ∈ 𝐷 ↦ (𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (𝑋‘𝑘), 0 ))))) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | mplcoe4.p | . . 3 ⊢ 𝑃 = (𝐼 mPoly 𝑅) | |
| 2 | mplcoe4.d | . . 3 ⊢ 𝐷 = {𝑓 ∈ (ℕ0 ↑m 𝐼) ∣ (◡𝑓 “ ℕ) ∈ Fin} | |
| 3 | mplcoe4.z | . . 3 ⊢ 0 = (0g‘𝑅) | |
| 4 | eqid 2765 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 5 | mplcoe4.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑊) | |
| 6 | mplcoe4.b | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
| 7 | eqid 2765 | . . 3 ⊢ ( ·𝑠 ‘𝑃) = ( ·𝑠 ‘𝑃) | |
| 8 | mplcoe4.r | . . 3 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 9 | mplcoe4.x | . . 3 ⊢ (𝜑 → 𝑋 ∈ 𝐵) | |
| 10 | 1, 2, 3, 4, 5, 6, 7, 8, 9 | mplcoe1 22148 | . 2 ⊢ (𝜑 → 𝑋 = (𝑃 Σg (𝑘 ∈ 𝐷 ↦ ((𝑋‘𝑘)( ·𝑠 ‘𝑃)(𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (1r‘𝑅), 0 )))))) |
| 11 | eqid 2765 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 12 | 5 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝐼 ∈ 𝑊) |
| 13 | 8 | adantr 485 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝑅 ∈ Ring) |
| 14 | simpr 489 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝑘 ∈ 𝐷) | |
| 15 | 1, 11, 6, 2, 9 | mplelf 22107 | . . . . . 6 ⊢ (𝜑 → 𝑋:𝐷⟶(Base‘𝑅)) |
| 16 | 15 | ffvelcdmda 7069 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → (𝑋‘𝑘) ∈ (Base‘𝑅)) |
| 17 | 1, 7, 2, 4, 3, 11, 12, 13, 14, 16 | mplmon2 22172 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → ((𝑋‘𝑘)( ·𝑠 ‘𝑃)(𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (1r‘𝑅), 0 ))) = (𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (𝑋‘𝑘), 0 ))) |
| 18 | 17 | mpteq2dva 5198 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐷 ↦ ((𝑋‘𝑘)( ·𝑠 ‘𝑃)(𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (1r‘𝑅), 0 )))) = (𝑘 ∈ 𝐷 ↦ (𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (𝑋‘𝑘), 0 )))) |
| 19 | 18 | oveq2d 7416 | . 2 ⊢ (𝜑 → (𝑃 Σg (𝑘 ∈ 𝐷 ↦ ((𝑋‘𝑘)( ·𝑠 ‘𝑃)(𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (1r‘𝑅), 0 ))))) = (𝑃 Σg (𝑘 ∈ 𝐷 ↦ (𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (𝑋‘𝑘), 0 ))))) |
| 20 | 10, 19 | eqtrd 2800 | 1 ⊢ (𝜑 → 𝑋 = (𝑃 Σg (𝑘 ∈ 𝐷 ↦ (𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (𝑋‘𝑘), 0 ))))) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1563 ∈ wcel 2145 {crab 3417 ifcif 4483 ↦ cmpt 5186 ◡ccnv 5651 “ cima 5655 ‘cfv 6525 (class class class)co 7400 ↑m cmap 8812 Fincfn 8931 ℕcn 12224 ℕ0cn0 12495 Basecbs 17259 ·𝑠 cvsca 17304 0gc0g 17482 Σg cgsu 17483 1rcur 20254 Ringcrg 20306 mPoly cmpl 22016 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2215 ax-ext 2737 ax-rep 5232 ax-sep 5251 ax-nul 5261 ax-pow 5327 ax-pr 5395 ax-un 7722 ax-cnex 11144 ax-resscn 11145 ax-1cn 11146 ax-icn 11147 ax-addcl 11148 ax-addrcl 11149 ax-mulcl 11150 ax-mulrcl 11151 ax-mulcom 11152 ax-addass 11153 ax-mulass 11154 ax-distr 11155 ax-i2m1 11156 ax-1ne0 11157 ax-1rid 11158 ax-rnegex 11159 ax-rrecex 11160 ax-cnre 11161 ax-pre-lttri 11162 ax-pre-lttrn 11163 ax-pre-ltadd 11164 ax-pre-mulgt0 11165 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1566 df-fal 1576 df-ex 1803 df-nf 1807 df-sb 2094 df-mo 2569 df-eu 2599 df-clab 2744 df-cleq 2757 df-clel 2840 df-nfc 2914 df-ne 2961 df-nel 3065 df-ral 3080 df-rex 3090 df-rmo 3370 df-reu 3371 df-rab 3418 df-v 3459 df-sbc 3748 df-csb 3856 df-dif 3910 df-un 3912 df-in 3914 df-ss 3924 df-pss 3927 df-nul 4289 df-if 4484 df-pw 4560 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4869 df-int 4909 df-iun 4954 df-iin 4955 df-br 5106 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5547 df-eprel 5552 df-po 5560 df-so 5561 df-fr 5605 df-se 5606 df-we 5607 df-xp 5658 df-rel 5659 df-cnv 5660 df-co 5661 df-dm 5662 df-rn 5663 df-res 5664 df-ima 5665 df-pred 6292 df-ord 6353 df-on 6354 df-lim 6355 df-suc 6356 df-iota 6481 df-fun 6527 df-fn 6528 df-f 6529 df-f1 6530 df-fo 6531 df-f1o 6532 df-fv 6533 df-isom 6534 df-riota 7357 df-ov 7403 df-oprab 7404 df-mpo 7405 df-of 7664 df-ofr 7665 df-om 7851 df-1st 7974 df-2nd 7975 df-supp 8145 df-frecs 8266 df-wrecs 8297 df-recs 8346 df-rdg 8385 df-1o 8441 df-2o 8442 df-er 8682 df-map 8814 df-pm 8815 df-ixp 8884 df-en 8932 df-dom 8933 df-sdom 8934 df-fin 8935 df-fsupp 9310 df-sup 9390 df-oi 9460 df-card 9913 df-pnf 11233 df-mnf 11234 df-xr 11235 df-ltxr 11236 df-le 11237 df-sub 11431 df-neg 11432 df-nn 12225 df-2 12294 df-3 12295 df-4 12296 df-5 12297 df-6 12298 df-7 12299 df-8 12300 df-9 12301 df-n0 12496 df-z 12583 df-dec 12703 df-uz 12854 df-fz 13527 df-fzo 13674 df-seq 14029 df-hash 14358 df-struct 17197 df-sets 17214 df-slot 17232 df-ndx 17244 df-base 17260 df-ress 17281 df-plusg 17313 df-mulr 17314 df-sca 17316 df-vsca 17317 df-ip 17318 df-tset 17319 df-ple 17320 df-ds 17322 df-hom 17324 df-cco 17325 df-0g 17484 df-gsum 17485 df-prds 17490 df-pws 17492 df-mre 17628 df-mrc 17629 df-acs 17631 df-mgm 18688 df-sgrp 18767 df-mnd 18783 df-mhm 18831 df-submnd 18832 df-grp 18993 df-minusg 18994 df-sbg 18995 df-mulg 19125 df-subg 19180 df-ghm 19275 df-cntz 19378 df-cmn 19843 df-abl 19844 df-mgp 20208 df-rng 20222 df-ur 20255 df-ring 20308 df-subrng 20622 df-subrg 20646 df-lmod 20952 df-lss 21022 df-psr 22019 df-mpl 22021 |
| This theorem is referenced by: evlslem2 22190 |
| Copyright terms: Public domain | W3C validator |