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| Mirrors > Home > MPE Home > Th. List > fsummulc1 | Structured version Visualization version GIF version | ||
| Description: A finite sum multiplied by a constant. (Contributed by NM, 13-Nov-2005.) (Revised by Mario Carneiro, 24-Apr-2014.) |
| Ref | Expression |
|---|---|
| fsummulc2.1 | ⊢ (𝜑 → 𝐴 ∈ Fin) |
| fsummulc2.2 | ⊢ (𝜑 → 𝐶 ∈ ℂ) |
| fsummulc2.3 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) |
| Ref | Expression |
|---|---|
| fsummulc1 | ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fsummulc2.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 2 | fsummulc2.2 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 3 | fsummulc2.3 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
| 4 | 1, 2, 3 | fsummulc2 15691 | . 2 ⊢ (𝜑 → (𝐶 · Σ𝑘 ∈ 𝐴 𝐵) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
| 5 | 1, 3 | fsumcl 15640 | . . 3 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ ℂ) |
| 6 | 5, 2 | mulcomd 11133 | . 2 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = (𝐶 · Σ𝑘 ∈ 𝐴 𝐵)) |
| 7 | 2 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℂ) |
| 8 | 3, 7 | mulcomd 11133 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 · 𝐶) = (𝐶 · 𝐵)) |
| 9 | 8 | sumeq2dv 15609 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
| 10 | 4, 6, 9 | 3eqtr4d 2776 | 1 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1541 ∈ wcel 2111 (class class class)co 7346 Fincfn 8869 ℂcc 11004 · cmul 11011 Σcsu 15593 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1911 ax-6 1968 ax-7 2009 ax-8 2113 ax-9 2121 ax-10 2144 ax-11 2160 ax-12 2180 ax-ext 2703 ax-rep 5215 ax-sep 5232 ax-nul 5242 ax-pow 5301 ax-pr 5368 ax-un 7668 ax-inf2 9531 ax-cnex 11062 ax-resscn 11063 ax-1cn 11064 ax-icn 11065 ax-addcl 11066 ax-addrcl 11067 ax-mulcl 11068 ax-mulrcl 11069 ax-mulcom 11070 ax-addass 11071 ax-mulass 11072 ax-distr 11073 ax-i2m1 11074 ax-1ne0 11075 ax-1rid 11076 ax-rnegex 11077 ax-rrecex 11078 ax-cnre 11079 ax-pre-lttri 11080 ax-pre-lttrn 11081 ax-pre-ltadd 11082 ax-pre-mulgt0 11083 ax-pre-sup 11084 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1544 df-fal 1554 df-ex 1781 df-nf 1785 df-sb 2068 df-mo 2535 df-eu 2564 df-clab 2710 df-cleq 2723 df-clel 2806 df-nfc 2881 df-ne 2929 df-nel 3033 df-ral 3048 df-rex 3057 df-rmo 3346 df-reu 3347 df-rab 3396 df-v 3438 df-sbc 3737 df-csb 3846 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3917 df-nul 4281 df-if 4473 df-pw 4549 df-sn 4574 df-pr 4576 df-op 4580 df-uni 4857 df-int 4896 df-iun 4941 df-br 5090 df-opab 5152 df-mpt 5171 df-tr 5197 df-id 5509 df-eprel 5514 df-po 5522 df-so 5523 df-fr 5567 df-se 5568 df-we 5569 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-pred 6248 df-ord 6309 df-on 6310 df-lim 6311 df-suc 6312 df-iota 6437 df-fun 6483 df-fn 6484 df-f 6485 df-f1 6486 df-fo 6487 df-f1o 6488 df-fv 6489 df-isom 6490 df-riota 7303 df-ov 7349 df-oprab 7350 df-mpo 7351 df-om 7797 df-1st 7921 df-2nd 7922 df-frecs 8211 df-wrecs 8242 df-recs 8291 df-rdg 8329 df-1o 8385 df-er 8622 df-en 8870 df-dom 8871 df-sdom 8872 df-fin 8873 df-sup 9326 df-oi 9396 df-card 9832 df-pnf 11148 df-mnf 11149 df-xr 11150 df-ltxr 11151 df-le 11152 df-sub 11346 df-neg 11347 df-div 11775 df-nn 12126 df-2 12188 df-3 12189 df-n0 12382 df-z 12469 df-uz 12733 df-rp 12891 df-fz 13408 df-fzo 13555 df-seq 13909 df-exp 13969 df-hash 14238 df-cj 15006 df-re 15007 df-im 15008 df-sqrt 15142 df-abs 15143 df-clim 15395 df-sum 15594 |
| This theorem is referenced by: fsumdivc 15693 fsum2mul 15696 binomlem 15736 geoserg 15773 geo2sum 15780 mertenslem1 15791 binomfallfaclem2 15947 csbren 25326 plymullem1 26146 aalioulem1 26267 aaliou3lem6 26283 ftalem1 27010 ftalem5 27014 musumsum 27129 muinv 27130 fsumdvdsmul 27132 fsumdvdsmulOLD 27134 vmadivsum 27420 dchrisumlem2 27428 dchrmusum2 27432 dchrvmasumiflem2 27440 rpvmasum2 27450 dchrisum0lem1 27454 dchrisum0lem2a 27455 mulogsumlem 27469 mulog2sumlem3 27474 vmalogdivsum 27477 2vmadivsumlem 27478 logsqvma 27480 selberg3lem1 27495 selberg4 27499 pntrlog2bndlem5 27519 eulerpartlemgs2 34393 breprexplemc 34645 breprexpnat 34647 circlemeth 34653 hgt750lemb 34669 aks4d1p1p1 42166 jm2.23 43099 fsummulc1f 45681 dvnprodlem2 46055 dirkertrigeqlem2 46207 etransclem23 46365 etransclem46 46388 hoidmvlelem2 46704 nn0sumshdiglemA 48730 nn0sumshdiglemB 48731 nn0mullong 48736 aacllem 49912 amgmlemALT 49914 |
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