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Mirrors > Home > MPE Home > Th. List > telfsum2 | Structured version Visualization version GIF version |
Description: Sum of a telescoping series. (Contributed by Mario Carneiro, 15-Jun-2014.) (Revised by Mario Carneiro, 2-May-2016.) |
Ref | Expression |
---|---|
telfsum.1 | ⊢ (𝑘 = 𝑗 → 𝐴 = 𝐵) |
telfsum.2 | ⊢ (𝑘 = (𝑗 + 1) → 𝐴 = 𝐶) |
telfsum.3 | ⊢ (𝑘 = 𝑀 → 𝐴 = 𝐷) |
telfsum.4 | ⊢ (𝑘 = (𝑁 + 1) → 𝐴 = 𝐸) |
telfsum.5 | ⊢ (𝜑 → 𝑁 ∈ ℤ) |
telfsum.6 | ⊢ (𝜑 → (𝑁 + 1) ∈ (ℤ≥‘𝑀)) |
telfsum.7 | ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 + 1))) → 𝐴 ∈ ℂ) |
Ref | Expression |
---|---|
telfsum2 | ⊢ (𝜑 → Σ𝑗 ∈ (𝑀...𝑁)(𝐶 − 𝐵) = (𝐸 − 𝐷)) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | telfsum.5 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ ℤ) | |
2 | fzval3 13697 | . . . 4 ⊢ (𝑁 ∈ ℤ → (𝑀...𝑁) = (𝑀..^(𝑁 + 1))) | |
3 | 1, 2 | syl 17 | . . 3 ⊢ (𝜑 → (𝑀...𝑁) = (𝑀..^(𝑁 + 1))) |
4 | 3 | sumeq1d 15643 | . 2 ⊢ (𝜑 → Σ𝑗 ∈ (𝑀...𝑁)(𝐶 − 𝐵) = Σ𝑗 ∈ (𝑀..^(𝑁 + 1))(𝐶 − 𝐵)) |
5 | telfsum.1 | . . 3 ⊢ (𝑘 = 𝑗 → 𝐴 = 𝐵) | |
6 | telfsum.2 | . . 3 ⊢ (𝑘 = (𝑗 + 1) → 𝐴 = 𝐶) | |
7 | telfsum.3 | . . 3 ⊢ (𝑘 = 𝑀 → 𝐴 = 𝐷) | |
8 | telfsum.4 | . . 3 ⊢ (𝑘 = (𝑁 + 1) → 𝐴 = 𝐸) | |
9 | telfsum.6 | . . 3 ⊢ (𝜑 → (𝑁 + 1) ∈ (ℤ≥‘𝑀)) | |
10 | telfsum.7 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ (𝑀...(𝑁 + 1))) → 𝐴 ∈ ℂ) | |
11 | 5, 6, 7, 8, 9, 10 | telfsumo2 15745 | . 2 ⊢ (𝜑 → Σ𝑗 ∈ (𝑀..^(𝑁 + 1))(𝐶 − 𝐵) = (𝐸 − 𝐷)) |
12 | 4, 11 | eqtrd 2772 | 1 ⊢ (𝜑 → Σ𝑗 ∈ (𝑀...𝑁)(𝐶 − 𝐵) = (𝐸 − 𝐷)) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ‘cfv 6540 (class class class)co 7405 ℂcc 11104 1c1 11107 + caddc 11109 − cmin 11440 ℤcz 12554 ℤ≥cuz 12818 ...cfz 13480 ..^cfzo 13623 Σcsu 15628 |
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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-rep 5284 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-inf2 9632 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-int 4950 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-se 5631 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-isom 6549 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7852 df-1st 7971 df-2nd 7972 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-1o 8462 df-er 8699 df-en 8936 df-dom 8937 df-sdom 8938 df-fin 8939 df-sup 9433 df-oi 9501 df-card 9930 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-n0 12469 df-z 12555 df-uz 12819 df-rp 12971 df-fz 13481 df-fzo 13624 df-seq 13963 df-exp 14024 df-hash 14287 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-clim 15428 df-sum 15629 |
This theorem is referenced by: fsumkthpow 15996 emcllem5 26493 sticksstones10 40959 sticksstones12a 40961 dirkertrigeqlem2 44801 etransclem46 44982 |
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