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| Mirrors > Home > MPE Home > Th. List > Mathboxes > gsummoncoe1fz | Structured version Visualization version GIF version | ||
| Description: A coefficient of the polynomial represented as a sum of scaled monomials is the coefficient of the corresponding scaled monomial. See gsummoncoe1fzo 33690. (Contributed by Thierry Arnoux, 15-Feb-2026.) |
| Ref | Expression |
|---|---|
| gsummoncoe1fz.1 | ⊢ 𝑃 = (Poly1‘𝑅) |
| gsummoncoe1fz.2 | ⊢ 𝐵 = (Base‘𝑃) |
| gsummoncoe1fz.3 | ⊢ 𝑋 = (var1‘𝑅) |
| gsummoncoe1fz.4 | ⊢ ↑ = (.g‘(mulGrp‘𝑃)) |
| gsummoncoe1fz.5 | ⊢ (𝜑 → 𝑅 ∈ Ring) |
| gsummoncoe1fz.6 | ⊢ 𝐾 = (Base‘𝑅) |
| gsummoncoe1fz.7 | ⊢ ∗ = ( ·𝑠 ‘𝑃) |
| gsummoncoe1fz.8 | ⊢ (𝜑 → 𝐷 ∈ ℕ0) |
| gsummoncoe1fz.9 | ⊢ (𝜑 → ∀𝑘 ∈ (0...𝐷)𝐴 ∈ 𝐾) |
| gsummoncoe1fz.10 | ⊢ (𝜑 → 𝐿 ∈ (0...𝐷)) |
| gsummoncoe1fz.11 | ⊢ (𝑘 = 𝐿 → 𝐴 = 𝐶) |
| Ref | Expression |
|---|---|
| gsummoncoe1fz | ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = 𝐶) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | gsummoncoe1fz.8 | . . . . . . . 8 ⊢ (𝜑 → 𝐷 ∈ ℕ0) | |
| 2 | 1 | nn0zd 12525 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ ℤ) |
| 3 | fzval3 13662 | . . . . . . 7 ⊢ (𝐷 ∈ ℤ → (0...𝐷) = (0..^(𝐷 + 1))) | |
| 4 | 2, 3 | syl 17 | . . . . . 6 ⊢ (𝜑 → (0...𝐷) = (0..^(𝐷 + 1))) |
| 5 | 4 | mpteq1d 5190 | . . . . 5 ⊢ (𝜑 → (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))) = (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))) |
| 6 | 5 | oveq2d 7384 | . . . 4 ⊢ (𝜑 → (𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))) = (𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))))) |
| 7 | 6 | fveq2d 6846 | . . 3 ⊢ (𝜑 → (coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))))) = (coe1‘(𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))) |
| 8 | 7 | fveq1d 6844 | . 2 ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = ((coe1‘(𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿)) |
| 9 | gsummoncoe1fz.1 | . . 3 ⊢ 𝑃 = (Poly1‘𝑅) | |
| 10 | gsummoncoe1fz.2 | . . 3 ⊢ 𝐵 = (Base‘𝑃) | |
| 11 | gsummoncoe1fz.3 | . . 3 ⊢ 𝑋 = (var1‘𝑅) | |
| 12 | gsummoncoe1fz.4 | . . 3 ⊢ ↑ = (.g‘(mulGrp‘𝑃)) | |
| 13 | gsummoncoe1fz.5 | . . 3 ⊢ (𝜑 → 𝑅 ∈ Ring) | |
| 14 | gsummoncoe1fz.6 | . . 3 ⊢ 𝐾 = (Base‘𝑅) | |
| 15 | gsummoncoe1fz.7 | . . 3 ⊢ ∗ = ( ·𝑠 ‘𝑃) | |
| 16 | eqid 2737 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 17 | gsummoncoe1fz.9 | . . . 4 ⊢ (𝜑 → ∀𝑘 ∈ (0...𝐷)𝐴 ∈ 𝐾) | |
| 18 | 17, 4 | raleqtrdv 3300 | . . 3 ⊢ (𝜑 → ∀𝑘 ∈ (0..^(𝐷 + 1))𝐴 ∈ 𝐾) |
| 19 | gsummoncoe1fz.10 | . . . 4 ⊢ (𝜑 → 𝐿 ∈ (0...𝐷)) | |
| 20 | 19, 4 | eleqtrd 2839 | . . 3 ⊢ (𝜑 → 𝐿 ∈ (0..^(𝐷 + 1))) |
| 21 | peano2nn0 12453 | . . . 4 ⊢ (𝐷 ∈ ℕ0 → (𝐷 + 1) ∈ ℕ0) | |
| 22 | 1, 21 | syl 17 | . . 3 ⊢ (𝜑 → (𝐷 + 1) ∈ ℕ0) |
| 23 | gsummoncoe1fz.11 | . . 3 ⊢ (𝑘 = 𝐿 → 𝐴 = 𝐶) | |
| 24 | 9, 10, 11, 12, 13, 14, 15, 16, 18, 20, 22, 23 | gsummoncoe1fzo 33690 | . 2 ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = 𝐶) |
| 25 | 8, 24 | eqtrd 2772 | 1 ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = 𝐶) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ↦ cmpt 5181 ‘cfv 6500 (class class class)co 7368 0cc0 11038 1c1 11039 + caddc 11041 ℕ0cn0 12413 ℤcz 12500 ...cfz 13435 ..^cfzo 13582 Basecbs 17148 ·𝑠 cvsca 17193 0gc0g 17371 Σg cgsu 17372 .gcmg 19009 mulGrpcmgp 20087 Ringcrg 20180 var1cv1 22128 Poly1cpl1 22129 coe1cco1 22130 |
| 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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 |
| 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-iin 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-se 5586 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-isom 6509 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-of 7632 df-ofr 7633 df-om 7819 df-1st 7943 df-2nd 7944 df-supp 8113 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-2o 8408 df-er 8645 df-map 8777 df-pm 8778 df-ixp 8848 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9277 df-sup 9357 df-oi 9427 df-card 9863 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-dec 12620 df-uz 12764 df-fz 13436 df-fzo 13583 df-seq 13937 df-hash 14266 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-mulr 17203 df-sca 17205 df-vsca 17206 df-ip 17207 df-tset 17208 df-ple 17209 df-ds 17211 df-hom 17213 df-cco 17214 df-0g 17373 df-gsum 17374 df-prds 17379 df-pws 17381 df-mre 17517 df-mrc 17518 df-acs 17520 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-mhm 18720 df-submnd 18721 df-grp 18878 df-minusg 18879 df-sbg 18880 df-mulg 19010 df-subg 19065 df-ghm 19154 df-cntz 19258 df-cmn 19723 df-abl 19724 df-mgp 20088 df-rng 20100 df-ur 20129 df-ring 20182 df-subrng 20491 df-subrg 20515 df-lmod 20825 df-lss 20895 df-psr 21877 df-mvr 21878 df-mpl 21879 df-opsr 21881 df-psr1 22132 df-vr1 22133 df-ply1 22134 df-coe1 22135 |
| This theorem is referenced by: vietalem 33756 |
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