| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > gsumzrsum | Structured version Visualization version GIF version | ||
| Description: Relate a group sum on ℤring to a finite sum on the complex numbers. See also gsumfsum 21770. (Contributed by Thierry Arnoux, 5-Oct-2025.) |
| Ref | Expression |
|---|---|
| gsumzrsum.1 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
| gsumzrsum.2 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℤ) |
| Ref | Expression |
|---|---|
| gsumzrsum | ⊢ (𝜑 → (ℤring Σg (𝑘 ∈ 𝐴 ↦ 𝐵)) = Σ𝑘 ∈ 𝐴 𝐵) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cnfldbas 21712 | . . 3 ⊢ ℂ = (Base‘ℂfld) | |
| 2 | cnfldadd 21714 | . . 3 ⊢ + = (+g‘ℂfld) | |
| 3 | df-zring 21783 | . . 3 ⊢ ℤring = (ℂfld ↾s ℤ) | |
| 4 | cnfldex 21711 | . . . 4 ⊢ ℂfld ∈ V | |
| 5 | 4 | a1i 11 | . . 3 ⊢ (𝜑 → ℂfld ∈ V) |
| 6 | gsumzrsum.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 7 | zsscn 12728 | . . . 4 ⊢ ℤ ⊆ ℂ | |
| 8 | 7 | a1i 11 | . . 3 ⊢ (𝜑 → ℤ ⊆ ℂ) |
| 9 | gsumzrsum.2 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℤ) | |
| 10 | 9 | fmpttd 7139 | . . 3 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶ℤ) |
| 11 | 0zd 12732 | . . 3 ⊢ (𝜑 → 0 ∈ ℤ) | |
| 12 | addlid 11520 | . . . . 5 ⊢ (𝑘 ∈ ℂ → (0 + 𝑘) = 𝑘) | |
| 13 | addrid 11517 | . . . . 5 ⊢ (𝑘 ∈ ℂ → (𝑘 + 0) = 𝑘) | |
| 14 | 12, 13 | jca 521 | . . . 4 ⊢ (𝑘 ∈ ℂ → ((0 + 𝑘) = 𝑘 ∧ (𝑘 + 0) = 𝑘)) |
| 15 | 14 | adantl 487 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ ℂ) → ((0 + 𝑘) = 𝑘 ∧ (𝑘 + 0) = 𝑘)) |
| 16 | 1, 2, 3, 5, 6, 8, 10, 11, 15 | gsumress 18900 | . 2 ⊢ (𝜑 → (ℂfld Σg (𝑘 ∈ 𝐴 ↦ 𝐵)) = (ℤring Σg (𝑘 ∈ 𝐴 ↦ 𝐵))) |
| 17 | 9 | zcnd 12831 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| 18 | 6, 17 | gsumfsum 21770 | . 2 ⊢ (𝜑 → (ℂfld Σg (𝑘 ∈ 𝐴 ↦ 𝐵)) = Σ𝑘 ∈ 𝐴 𝐵) |
| 19 | 16, 18 | eqtr3d 2800 | 1 ⊢ (𝜑 → (ℤring Σg (𝑘 ∈ 𝐴 ↦ 𝐵)) = Σ𝑘 ∈ 𝐴 𝐵) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1570 ∈ wcel 2147 Vcvv 3454 ⊆ wss 3900 ↦ cmpt 5189 (class class class)co 7443 Fincfn 9001 ℂcc 11225 0cc0 11227 + caddc 11230 ℤcz 12720 Σcsu 15882 Σg cgsu 17640 ℂfldccnfld 21708 ℤringczring 21782 |
| 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 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5235 ax-sep 5252 ax-nul 5263 ax-pow 5331 ax-pr 5395 ax-un 7775 ax-inf2 9669 ax-cnex 11283 ax-resscn 11284 ax-1cn 11285 ax-icn 11286 ax-addcl 11287 ax-addrcl 11288 ax-mulcl 11289 ax-mulrcl 11290 ax-mulcom 11291 ax-addass 11292 ax-mulass 11293 ax-distr 11294 ax-i2m1 11295 ax-1ne0 11296 ax-1rid 11297 ax-rnegex 11298 ax-rrecex 11299 ax-cnre 11300 ax-pre-lttri 11301 ax-pre-lttrn 11302 ax-pre-ltadd 11303 ax-pre-mulgt0 11304 ax-pre-sup 11305 ax-addf 11306 |
| 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 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4839 df-uni 4871 df-int 4911 df-iun 4956 df-br 5107 df-opab 5171 df-mpt 5190 df-tr 5216 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 6322 df-ord 6383 df-on 6384 df-lim 6385 df-suc 6386 df-iota 6512 df-fun 6560 df-fn 6561 df-f 6562 df-f1 6563 df-fo 6564 df-f1o 6565 df-fv 6566 df-isom 6567 df-riota 7400 df-ov 7446 df-oprab 7447 df-mpo 7448 df-om 7902 df-1st 8025 df-2nd 8026 df-supp 8205 df-frecs 8327 df-wrecs 8358 df-recs 8407 df-rdg 8446 df-1o 8504 df-er 8745 df-en 9002 df-dom 9003 df-sdom 9004 df-fin 9005 df-sup 9461 df-oi 9531 df-card 10047 df-pnf 11372 df-mnf 11373 df-xr 11374 df-ltxr 11375 df-le 11376 df-sub 11570 df-neg 11571 df-div 12001 df-nn 12363 df-2 12432 df-3 12433 df-4 12434 df-5 12435 df-6 12436 df-7 12437 df-8 12438 df-9 12439 df-n0 12634 df-z 12721 df-dec 12842 df-uz 12993 df-rp 13148 df-fz 13667 df-fzo 13816 df-seq 14172 df-exp 14232 df-hash 14502 df-cj 15295 df-re 15296 df-im 15297 df-sqrt 15431 df-abs 15432 df-clim 15684 df-sum 15883 df-struct 17354 df-sets 17371 df-slot 17389 df-ndx 17401 df-base 17417 df-ress 17438 df-plusg 17470 df-mulr 17471 df-starv 17472 df-tset 17476 df-ple 17477 df-ds 17479 df-unif 17480 df-0g 17641 df-gsum 17642 df-mgm 18845 df-sgrp 18937 df-mnd 18953 df-grp 19176 df-minusg 19177 df-cntz 19561 df-cmn 20026 df-abl 20027 df-mgp 20391 df-ur 20438 df-ring 20491 df-cring 20492 df-cnfld 21709 df-zring 21783 |
| This theorem is used by: gsummulgc2 33697 |
| Copyright terms: Public domain | W3C validator |