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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 15735 | . 2 ⊢ (𝜑 → (𝐶 · Σ𝑘 ∈ 𝐴 𝐵) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
| 5 | 1, 3 | fsumcl 15684 | . . 3 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ ℂ) |
| 6 | 5, 2 | mulcomd 11155 | . 2 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = (𝐶 · Σ𝑘 ∈ 𝐴 𝐵)) |
| 7 | 2 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℂ) |
| 8 | 3, 7 | mulcomd 11155 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 · 𝐶) = (𝐶 · 𝐵)) |
| 9 | 8 | sumeq2dv 15653 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
| 10 | 4, 6, 9 | 3eqtr4d 2782 | 1 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 (class class class)co 7358 Fincfn 8884 ℂcc 11025 · cmul 11032 Σcsu 15637 |
| 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-inf2 9551 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 ax-pre-sup 11105 |
| 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-op 4575 df-uni 4852 df-int 4891 df-iun 4936 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-om 7809 df-1st 7933 df-2nd 7934 df-frecs 8222 df-wrecs 8253 df-recs 8302 df-rdg 8340 df-1o 8396 df-er 8634 df-en 8885 df-dom 8886 df-sdom 8887 df-fin 8888 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-div 11797 df-nn 12164 df-2 12233 df-3 12234 df-n0 12427 df-z 12514 df-uz 12778 df-rp 12932 df-fz 13451 df-fzo 13598 df-seq 13953 df-exp 14013 df-hash 14282 df-cj 15050 df-re 15051 df-im 15052 df-sqrt 15186 df-abs 15187 df-clim 15439 df-sum 15638 |
| This theorem is referenced by: fsumdivc 15737 fsum2mul 15740 binomlem 15783 geoserg 15820 geo2sum 15827 mertenslem1 15838 binomfallfaclem2 15994 csbren 25375 plymullem1 26191 aalioulem1 26311 aaliou3lem6 26327 ftalem1 27054 ftalem5 27058 musumsum 27173 muinv 27174 fsumdvdsmul 27176 fsumdvdsmulOLD 27178 vmadivsum 27464 dchrisumlem2 27472 dchrmusum2 27476 dchrvmasumiflem2 27484 rpvmasum2 27494 dchrisum0lem1 27498 dchrisum0lem2a 27499 mulogsumlem 27513 mulog2sumlem3 27518 vmalogdivsum 27521 2vmadivsumlem 27522 logsqvma 27524 selberg3lem1 27539 selberg4 27543 pntrlog2bndlem5 27563 eulerpartlemgs2 34545 breprexplemc 34797 breprexpnat 34799 circlemeth 34805 hgt750lemb 34821 aks4d1p1p1 42513 jm2.23 43439 fsummulc1f 46016 dvnprodlem2 46390 dirkertrigeqlem2 46542 etransclem23 46700 etransclem46 46723 hoidmvlelem2 47039 nn0sumshdiglemA 49092 nn0sumshdiglemB 49093 nn0mullong 49098 aacllem 50273 amgmlemALT 50275 |
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