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| Mirrors > Home > MPE Home > Th. List > fsumdivc | Structured version Visualization version GIF version | ||
| Description: A finite sum divided by a constant. (Contributed by NM, 2-Jan-2006.) (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) |
| fsumdivc.4 | ⊢ (𝜑 → 𝐶 ≠ 0) |
| Ref | Expression |
|---|---|
| fsumdivc | ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 / 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 / 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | fsummulc2.1 | . . 3 ⊢ (𝜑 → 𝐴 ∈ Fin) | |
| 2 | fsummulc2.2 | . . . 4 ⊢ (𝜑 → 𝐶 ∈ ℂ) | |
| 3 | fsumdivc.4 | . . . 4 ⊢ (𝜑 → 𝐶 ≠ 0) | |
| 4 | 2, 3 | reccld 11954 | . . 3 ⊢ (𝜑 → (1 / 𝐶) ∈ ℂ) |
| 5 | fsummulc2.3 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℂ) | |
| 6 | 1, 4, 5 | fsummulc1 15803 | . 2 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 · (1 / 𝐶)) = Σ𝑘 ∈ 𝐴 (𝐵 · (1 / 𝐶))) |
| 7 | 1, 5 | fsumcl 15751 | . . 3 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 𝐵 ∈ ℂ) |
| 8 | 7, 2, 3 | divrecd 11964 | . 2 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 / 𝐶) = (Σ𝑘 ∈ 𝐴 𝐵 · (1 / 𝐶))) |
| 9 | 2 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℂ) |
| 10 | 3 | adantr 484 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ≠ 0) |
| 11 | 5, 9, 10 | divrecd 11964 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 / 𝐶) = (𝐵 · (1 / 𝐶))) |
| 12 | 11 | sumeq2dv 15720 | . 2 ⊢ (𝜑 → Σ𝑘 ∈ 𝐴 (𝐵 / 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 · (1 / 𝐶))) |
| 13 | 6, 8, 12 | 3eqtr4d 2806 | 1 ⊢ (𝜑 → (Σ𝑘 ∈ 𝐴 𝐵 / 𝐶) = Σ𝑘 ∈ 𝐴 (𝐵 / 𝐶)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1559 ∈ wcel 2141 ≠ wne 2956 (class class class)co 7391 Fincfn 8921 ℂcc 11065 0cc0 11067 1c1 11068 · cmul 11072 / cdiv 11838 Σcsu 15704 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-10 2174 ax-11 2190 ax-12 2211 ax-ext 2733 ax-rep 5224 ax-sep 5243 ax-nul 5253 ax-pow 5319 ax-pr 5387 ax-un 7713 ax-inf2 9590 ax-cnex 11123 ax-resscn 11124 ax-1cn 11125 ax-icn 11126 ax-addcl 11127 ax-addrcl 11128 ax-mulcl 11129 ax-mulrcl 11130 ax-mulcom 11131 ax-addass 11132 ax-mulass 11133 ax-distr 11134 ax-i2m1 11135 ax-1ne0 11136 ax-1rid 11137 ax-rnegex 11138 ax-rrecex 11139 ax-cnre 11140 ax-pre-lttri 11141 ax-pre-lttrn 11142 ax-pre-ltadd 11143 ax-pre-mulgt0 11144 ax-pre-sup 11145 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1098 df-3an 1099 df-tru 1562 df-fal 1572 df-ex 1799 df-nf 1803 df-sb 2090 df-mo 2565 df-eu 2595 df-clab 2740 df-cleq 2753 df-clel 2836 df-nfc 2910 df-ne 2957 df-nel 3061 df-ral 3076 df-rex 3086 df-rmo 3366 df-reu 3367 df-rab 3414 df-v 3455 df-sbc 3743 df-csb 3851 df-dif 3905 df-un 3907 df-in 3909 df-ss 3919 df-pss 3922 df-nul 4284 df-if 4478 df-pw 4554 df-sn 4580 df-pr 4582 df-op 4586 df-uni 4863 df-int 4903 df-iun 4948 df-br 5098 df-opab 5160 df-mpt 5179 df-tr 5205 df-id 5538 df-eprel 5543 df-po 5551 df-so 5552 df-fr 5596 df-se 5597 df-we 5598 df-xp 5649 df-rel 5650 df-cnv 5651 df-co 5652 df-dm 5653 df-rn 5654 df-res 5655 df-ima 5656 df-pred 6283 df-ord 6344 df-on 6345 df-lim 6346 df-suc 6347 df-iota 6472 df-fun 6518 df-fn 6519 df-f 6520 df-f1 6521 df-fo 6522 df-f1o 6523 df-fv 6524 df-isom 6525 df-riota 7348 df-ov 7394 df-oprab 7395 df-mpo 7396 df-om 7842 df-1st 7965 df-2nd 7966 df-frecs 8256 df-wrecs 8287 df-recs 8336 df-rdg 8375 df-1o 8431 df-er 8672 df-en 8922 df-dom 8923 df-sdom 8924 df-fin 8925 df-sup 9382 df-oi 9452 df-card 9891 df-pnf 11212 df-mnf 11213 df-xr 11214 df-ltxr 11215 df-le 11216 df-sub 11410 df-neg 11411 df-div 11839 df-nn 12205 df-2 12274 df-3 12275 df-n0 12476 df-z 12563 df-uz 12834 df-rp 12988 df-fz 13507 df-fzo 13654 df-seq 14009 df-exp 14069 df-hash 14338 df-cj 15117 df-re 15118 df-im 15119 df-sqrt 15253 df-abs 15254 df-clim 15506 df-sum 15705 |
| This theorem is referenced by: efaddlem 16114 fsumdvds 16333 ovolscalem1 25563 plyeq0lem 26258 aareccl 26378 birthdaylem3 27006 logexprlim 27277 logfacrlim2 27278 dchrvmasumlem1 27547 dchrisum0lem1 27568 dchrisum0 27572 vmalogdivsum2 27590 selberglem2 27598 selberg4lem1 27612 selberg4r 27622 pntrlog2bndlem5 27633 pntrlog2bndlem6 27635 pntlemo 27659 axsegconlem9 29083 signsplypnf 34805 dirkertrigeqlem2 46634 fourierdlem83 46724 elaa2lem 46768 etransclem38 46807 etransclem44 46813 etransclem45 46814 |
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