| 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 2737 | . . 3 ⊢ (1r‘𝑅) = (1r‘𝑅) | |
| 5 | mplcoe4.i | . . 3 ⊢ (𝜑 → 𝐼 ∈ 𝑊) | |
| 6 | mplcoe4.b | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
| 7 | eqid 2737 | . . 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 22024 | . 2 ⊢ (𝜑 → 𝑋 = (𝑃 Σg (𝑘 ∈ 𝐷 ↦ ((𝑋‘𝑘)( ·𝑠 ‘𝑃)(𝑦 ∈ 𝐷 ↦ if(𝑦 = 𝑘, (1r‘𝑅), 0 )))))) |
| 11 | eqid 2737 | . . . . 5 ⊢ (Base‘𝑅) = (Base‘𝑅) | |
| 12 | 5 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝐼 ∈ 𝑊) |
| 13 | 8 | adantr 480 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝑅 ∈ Ring) |
| 14 | simpr 484 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → 𝑘 ∈ 𝐷) | |
| 15 | 1, 11, 6, 2, 9 | mplelf 21985 | . . . . . 6 ⊢ (𝜑 → 𝑋:𝐷⟶(Base‘𝑅)) |
| 16 | 15 | ffvelcdmda 7028 | . . . . 5 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐷) → (𝑋‘𝑘) ∈ (Base‘𝑅)) |
| 17 | 1, 7, 2, 4, 3, 11, 12, 13, 14, 16 | mplmon2 22048 | . . . 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 5179 | . . 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 7374 | . 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 2772 | 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 395 = wceq 1542 ∈ wcel 2114 {crab 3390 ifcif 4467 ↦ cmpt 5167 ◡ccnv 5621 “ cima 5625 ‘cfv 6490 (class class class)co 7358 ↑m cmap 8764 Fincfn 8884 ℕcn 12163 ℕ0cn0 12426 Basecbs 17168 ·𝑠 cvsca 17213 0gc0g 17391 Σg cgsu 17392 1rcur 20151 Ringcrg 20203 mPoly cmpl 21894 |
| 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 5212 ax-sep 5231 ax-nul 5241 ax-pow 5300 ax-pr 5368 ax-un 7680 ax-cnex 11083 ax-resscn 11084 ax-1cn 11085 ax-icn 11086 ax-addcl 11087 ax-addrcl 11088 ax-mulcl 11089 ax-mulrcl 11090 ax-mulcom 11091 ax-addass 11092 ax-mulass 11093 ax-distr 11094 ax-i2m1 11095 ax-1ne0 11096 ax-1rid 11097 ax-rnegex 11098 ax-rrecex 11099 ax-cnre 11100 ax-pre-lttri 11101 ax-pre-lttrn 11102 ax-pre-ltadd 11103 ax-pre-mulgt0 11104 |
| 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 5517 df-eprel 5522 df-po 5530 df-so 5531 df-fr 5575 df-se 5576 df-we 5577 df-xp 5628 df-rel 5629 df-cnv 5630 df-co 5631 df-dm 5632 df-rn 5633 df-res 5634 df-ima 5635 df-pred 6257 df-ord 6318 df-on 6319 df-lim 6320 df-suc 6321 df-iota 6446 df-fun 6492 df-fn 6493 df-f 6494 df-f1 6495 df-fo 6496 df-f1o 6497 df-fv 6498 df-isom 6499 df-riota 7315 df-ov 7361 df-oprab 7362 df-mpo 7363 df-of 7622 df-ofr 7623 df-om 7809 df-1st 7933 df-2nd 7934 df-supp 8102 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-2o 8397 df-er 8634 df-map 8766 df-pm 8767 df-ixp 8837 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 df-fsupp 9266 df-sup 9346 df-oi 9416 df-card 9852 df-pnf 11170 df-mnf 11171 df-xr 11172 df-ltxr 11173 df-le 11174 df-sub 11368 df-neg 11369 df-nn 12164 df-2 12233 df-3 12234 df-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-uz 12778 df-fz 13451 df-fzo 13598 df-seq 13953 df-hash 14282 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-sca 17225 df-vsca 17226 df-ip 17227 df-tset 17228 df-ple 17229 df-ds 17231 df-hom 17233 df-cco 17234 df-0g 17393 df-gsum 17394 df-prds 17399 df-pws 17401 df-mre 17537 df-mrc 17538 df-acs 17540 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-mhm 18740 df-submnd 18741 df-grp 18901 df-minusg 18902 df-sbg 18903 df-mulg 19033 df-subg 19088 df-ghm 19177 df-cntz 19281 df-cmn 19746 df-abl 19747 df-mgp 20111 df-rng 20123 df-ur 20152 df-ring 20205 df-subrng 20512 df-subrg 20536 df-lmod 20846 df-lss 20916 df-psr 21897 df-mpl 21899 |
| This theorem is referenced by: evlslem2 22066 |
| Copyright terms: Public domain | W3C validator |