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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 15133 | . 2 ⊢ (𝜑 → (𝐶 · Σ𝑘 ∈ 𝐴 𝐵) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
5 | 1, 3 | fsumcl 15084 | . . 3 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ ℂ) |
6 | 5, 2 | mulcomd 10656 | . 2 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = (𝐶 · Σ𝑘 ∈ 𝐴 𝐵)) |
7 | 2 | adantr 483 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℂ) |
8 | 3, 7 | mulcomd 10656 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 · 𝐶) = (𝐶 · 𝐵)) |
9 | 8 | sumeq2dv 15054 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐶 · 𝐵)) |
10 | 4, 6, 9 | 3eqtr4d 2866 | 1 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 · 𝐶)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 398 = wceq 1533 ∈ wcel 2110 (class class class)co 7150 Fincfn 8503 ℂcc 10529 · cmul 10536 Σcsu 15036 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2156 ax-12 2172 ax-ext 2793 ax-rep 5183 ax-sep 5196 ax-nul 5203 ax-pow 5259 ax-pr 5322 ax-un 7455 ax-inf2 9098 ax-cnex 10587 ax-resscn 10588 ax-1cn 10589 ax-icn 10590 ax-addcl 10591 ax-addrcl 10592 ax-mulcl 10593 ax-mulrcl 10594 ax-mulcom 10595 ax-addass 10596 ax-mulass 10597 ax-distr 10598 ax-i2m1 10599 ax-1ne0 10600 ax-1rid 10601 ax-rnegex 10602 ax-rrecex 10603 ax-cnre 10604 ax-pre-lttri 10605 ax-pre-lttrn 10606 ax-pre-ltadd 10607 ax-pre-mulgt0 10608 ax-pre-sup 10609 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-3or 1084 df-3an 1085 df-tru 1536 df-fal 1546 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ne 3017 df-nel 3124 df-ral 3143 df-rex 3144 df-reu 3145 df-rmo 3146 df-rab 3147 df-v 3497 df-sbc 3773 df-csb 3884 df-dif 3939 df-un 3941 df-in 3943 df-ss 3952 df-pss 3954 df-nul 4292 df-if 4468 df-pw 4541 df-sn 4562 df-pr 4564 df-tp 4566 df-op 4568 df-uni 4833 df-int 4870 df-iun 4914 df-br 5060 df-opab 5122 df-mpt 5140 df-tr 5166 df-id 5455 df-eprel 5460 df-po 5469 df-so 5470 df-fr 5509 df-se 5510 df-we 5511 df-xp 5556 df-rel 5557 df-cnv 5558 df-co 5559 df-dm 5560 df-rn 5561 df-res 5562 df-ima 5563 df-pred 6143 df-ord 6189 df-on 6190 df-lim 6191 df-suc 6192 df-iota 6309 df-fun 6352 df-fn 6353 df-f 6354 df-f1 6355 df-fo 6356 df-f1o 6357 df-fv 6358 df-isom 6359 df-riota 7108 df-ov 7153 df-oprab 7154 df-mpo 7155 df-om 7575 df-1st 7683 df-2nd 7684 df-wrecs 7941 df-recs 8002 df-rdg 8040 df-1o 8096 df-oadd 8100 df-er 8283 df-en 8504 df-dom 8505 df-sdom 8506 df-fin 8507 df-sup 8900 df-oi 8968 df-card 9362 df-pnf 10671 df-mnf 10672 df-xr 10673 df-ltxr 10674 df-le 10675 df-sub 10866 df-neg 10867 df-div 11292 df-nn 11633 df-2 11694 df-3 11695 df-n0 11892 df-z 11976 df-uz 12238 df-rp 12384 df-fz 12887 df-fzo 13028 df-seq 13364 df-exp 13424 df-hash 13685 df-cj 14452 df-re 14453 df-im 14454 df-sqrt 14588 df-abs 14589 df-clim 14839 df-sum 15037 |
This theorem is referenced by: fsumdivc 15135 fsum2mul 15138 binomlem 15178 geoserg 15215 geo2sum 15223 mertenslem1 15234 binomfallfaclem2 15388 csbren 23996 plymullem1 24798 aalioulem1 24915 aaliou3lem6 24931 ftalem1 25644 ftalem5 25648 musumsum 25763 muinv 25764 fsumdvdsmul 25766 vmadivsum 26052 dchrisumlem2 26060 dchrmusum2 26064 dchrvmasumiflem2 26072 rpvmasum2 26082 dchrisum0lem1 26086 dchrisum0lem2a 26087 mulogsumlem 26101 mulog2sumlem3 26106 vmalogdivsum 26109 2vmadivsumlem 26110 logsqvma 26112 selberg3lem1 26127 selberg4 26131 pntrlog2bndlem5 26151 eulerpartlemgs2 31633 breprexplemc 31898 breprexpnat 31900 circlemeth 31906 hgt750lemb 31922 jm2.23 39586 fsummulc1f 41843 dvnprodlem2 42224 dirkertrigeqlem2 42377 etransclem23 42535 etransclem46 42558 hoidmvlelem2 42871 nn0sumshdiglemA 44672 nn0sumshdiglemB 44673 nn0mullong 44678 aacllem 44895 amgmlemALT 44897 |
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