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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 34008. (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 12641 | . . . . . . 7 ⊢ (𝜑 → 𝐷 ∈ ℤ) |
| 3 | fzval3 13791 | . . . . . . 7 ⊢ (𝐷 ∈ ℤ → (0...𝐷) = (0..^(𝐷 + 1))) | |
| 4 | 2, 3 | syl 18 | . . . . . 6 ⊢ (𝜑 → (0...𝐷) = (0..^(𝐷 + 1))) |
| 5 | 4 | mpteq1d 5195 | . . . . 5 ⊢ (𝜑 → (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))) = (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))) |
| 6 | 5 | oveq2d 7430 | . . . 4 ⊢ (𝜑 → (𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))) = (𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))))) |
| 7 | 6 | fveq2d 6883 | . . 3 ⊢ (𝜑 → (coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋))))) = (coe1‘(𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))) |
| 8 | 7 | fveq1d 6881 | . 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 2760 | . . 3 ⊢ (0g‘𝑅) = (0g‘𝑅) | |
| 17 | gsummoncoe1fz.9 | . . . 4 ⊢ (𝜑 → ∀𝑘 ∈ (0...𝐷)𝐴 ∈ 𝐾) | |
| 18 | 17, 4 | raleqtrdv 3321 | . . 3 ⊢ (𝜑 → ∀𝑘 ∈ (0..^(𝐷 + 1))𝐴 ∈ 𝐾) |
| 19 | gsummoncoe1fz.10 | . . . 4 ⊢ (𝜑 → 𝐿 ∈ (0...𝐷)) | |
| 20 | 19, 4 | eleqtrd 2862 | . . 3 ⊢ (𝜑 → 𝐿 ∈ (0..^(𝐷 + 1))) |
| 21 | peano2nn0 12569 | . . . 4 ⊢ (𝐷 ∈ ℕ0 → (𝐷 + 1) ∈ ℕ0) | |
| 22 | 1, 21 | syl 18 | . . 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 34008 | . 2 ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0..^(𝐷 + 1)) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = 𝐶) |
| 25 | 8, 24 | eqtrd 2795 | 1 ⊢ (𝜑 → ((coe1‘(𝑃 Σg (𝑘 ∈ (0...𝐷) ↦ (𝐴 ∗ (𝑘 ↑ 𝑋)))))‘𝐿) = 𝐶) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 = wceq 1570 ∈ wcel 2145 ∀wral 3076 ↦ cmpt 5186 ‘cfv 6533 (class class class)co 7414 0cc0 11125 1c1 11126 + caddc 11128 ℕ0cn0 12529 ℤcz 12616 ...cfz 13562 ..^cfzo 13710 Basecbs 17302 ·𝑠 cvsca 17347 0gc0g 17525 Σg cgsu 17526 .gcmg 19191 mulGrpcmgp 20274 Ringcrg 20373 var1cv1 22402 Poly1cpl1 22403 coe1cco1 22404 |
| 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 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7737 ax-cnex 11181 ax-resscn 11182 ax-1cn 11183 ax-icn 11184 ax-addcl 11185 ax-addrcl 11186 ax-mulcl 11187 ax-mulrcl 11188 ax-mulcom 11189 ax-addass 11190 ax-mulass 11191 ax-distr 11192 ax-i2m1 11193 ax-1ne0 11194 ax-1rid 11195 ax-rnegex 11196 ax-rrecex 11197 ax-cnre 11198 ax-pre-lttri 11199 ax-pre-lttrn 11200 ax-pre-ltadd 11201 ax-pre-mulgt0 11202 |
| 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 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 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-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7371 df-ov 7417 df-oprab 7418 df-mpo 7419 df-of 7679 df-ofr 7680 df-om 7864 df-1st 7987 df-2nd 7988 df-supp 8160 df-frecs 8281 df-wrecs 8312 df-recs 8361 df-rdg 8400 df-1o 8456 df-2o 8457 df-er 8697 df-map 8829 df-pm 8830 df-ixp 8906 df-en 8954 df-dom 8955 df-sdom 8956 df-fin 8957 df-fsupp 9333 df-sup 9413 df-oi 9483 df-card 9945 df-pnf 11270 df-mnf 11271 df-xr 11272 df-ltxr 11273 df-le 11274 df-sub 11468 df-neg 11469 df-nn 12259 df-2 12328 df-3 12329 df-4 12330 df-5 12331 df-6 12332 df-7 12333 df-8 12334 df-9 12335 df-n0 12530 df-z 12617 df-dec 12738 df-uz 12889 df-fz 13563 df-fzo 13711 df-seq 14067 df-hash 14396 df-struct 17240 df-sets 17257 df-slot 17275 df-ndx 17287 df-base 17303 df-ress 17324 df-plusg 17356 df-mulr 17357 df-sca 17359 df-vsca 17360 df-ip 17361 df-tset 17362 df-ple 17363 df-ds 17365 df-hom 17367 df-cco 17368 df-0g 17527 df-gsum 17528 df-prds 17533 df-pws 17535 df-mre 17671 df-mrc 17672 df-acs 17674 df-mgm 18731 df-sgrp 18822 df-mnd 18838 df-mhm 18892 df-submnd 18893 df-grp 19061 df-minusg 19062 df-sbg 19063 df-mulg 19192 df-subg 19247 df-ghm 19342 df-cntz 19445 df-cmn 19910 df-abl 19911 df-mgp 20275 df-rng 20289 df-ur 20322 df-ring 20375 df-subrng 20709 df-subrg 20733 df-lmod 21047 df-lss 21117 df-psr 22125 df-mvr 22126 df-mpl 22127 df-opsr 22129 df-psr1 22406 df-vr1 22407 df-ply1 22408 df-coe1 22409 |
| This theorem is used by: vietalem 34090 |
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