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| Mirrors > Home > MPE Home > Th. List > Mathboxes > esummulc2 | Structured version Visualization version GIF version | ||
| Description: An extended sum multiplied by a constant. (Contributed by Thierry Arnoux, 6-Jul-2017.) |
| Ref | Expression |
|---|---|
| esummulc2.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| esummulc2.b | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) |
| esummulc2.c | ⊢ (𝜑 → 𝐶 ∈ (0[,)+∞)) |
| Ref | Expression |
|---|---|
| esummulc2 | ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | icossxr 13459 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 2 | esummulc2.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (0[,)+∞)) | |
| 3 | 1, 2 | sselid 3943 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| 4 | iccssxr 13457 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 5 | esummulc2.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 6 | esummulc2.b | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 7 | 6 | ralrimiva 3163 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 8 | nfcv 2931 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 9 | 8 | esumcl 34365 | . . . . 5 ⊢ ((𝐴 ∈ 𝑉 ∧ ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 10 | 5, 7, 9 | syl2anc 595 | . . . 4 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 11 | 4, 10 | sselid 3943 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 12 | xmulcom 13292 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) | |
| 13 | 3, 11, 12 | syl2anc 595 | . 2 ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) |
| 14 | 5, 6, 2 | esummulc1 34416 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶)) |
| 15 | 4, 6 | sselid 3943 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℝ*) |
| 16 | 3 | adantr 485 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℝ*) |
| 17 | xmulcom 13292 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) | |
| 18 | 15, 16, 17 | syl2anc 595 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) |
| 19 | 18 | esumeq2dv 34373 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| 20 | 13, 14, 19 | 3eqtrd 2808 | 1 ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 400 = wceq 1567 ∈ wcel 2149 ∀wral 3085 (class class class)co 7411 0cc0 11100 +∞cpnf 11240 ℝ*cxr 11242 ·e cxmu 13136 [,)cico 13374 [,]cicc 13375 Σ*cesum 34362 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5242 ax-sep 5261 ax-nul 5271 ax-pow 5337 ax-pr 5405 ax-un 7733 ax-cnex 11156 ax-resscn 11157 ax-1cn 11158 ax-icn 11159 ax-addcl 11160 ax-addrcl 11161 ax-mulcl 11162 ax-mulrcl 11163 ax-mulcom 11164 ax-addass 11165 ax-mulass 11166 ax-distr 11167 ax-i2m1 11168 ax-1ne0 11169 ax-1rid 11170 ax-rnegex 11171 ax-rrecex 11172 ax-cnre 11173 ax-pre-lttri 11174 ax-pre-lttrn 11175 ax-pre-ltadd 11176 ax-pre-mulgt0 11177 ax-pre-sup 11178 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4493 df-pw 4569 df-sn 4595 df-pr 4597 df-tp 4599 df-op 4601 df-uni 4877 df-int 4917 df-iun 4962 df-iin 4963 df-br 5114 df-opab 5178 df-mpt 5197 df-tr 5223 df-id 5557 df-eprel 5562 df-po 5570 df-so 5571 df-fr 5615 df-se 5616 df-we 5617 df-xp 5668 df-rel 5669 df-cnv 5670 df-co 5671 df-dm 5672 df-rn 5673 df-res 5674 df-ima 5675 df-pred 6303 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6493 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-isom 6546 df-riota 7368 df-ov 7414 df-oprab 7415 df-mpo 7416 df-of 7675 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8157 df-frecs 8278 df-wrecs 8309 df-recs 8358 df-rdg 8397 df-1o 8453 df-2o 8454 df-er 8694 df-map 8826 df-en 8944 df-dom 8945 df-sdom 8946 df-fin 8947 df-fsupp 9322 df-fi 9371 df-sup 9402 df-inf 9403 df-oi 9472 df-card 9925 df-pnf 11245 df-mnf 11246 df-xr 11247 df-ltxr 11248 df-le 11249 df-sub 11443 df-neg 11444 df-div 11872 df-nn 12234 df-2 12303 df-3 12304 df-4 12305 df-5 12306 df-6 12307 df-7 12308 df-8 12309 df-9 12310 df-n0 12505 df-z 12592 df-dec 12712 df-uz 12863 df-q 12973 df-rp 13017 df-xneg 13137 df-xadd 13138 df-xmul 13139 df-ioo 13376 df-ioc 13377 df-ico 13378 df-icc 13379 df-fz 13536 df-fzo 13683 df-seq 14038 df-hash 14367 df-struct 17207 df-sets 17224 df-slot 17242 df-ndx 17254 df-base 17270 df-ress 17291 df-plusg 17323 df-mulr 17324 df-tset 17329 df-ple 17330 df-ds 17332 df-rest 17475 df-topn 17476 df-0g 17494 df-gsum 17495 df-topgen 17496 df-ordt 17555 df-xrs 17556 df-mre 17638 df-mrc 17639 df-acs 17641 df-ps 18622 df-tsr 18623 df-mgm 18698 df-sgrp 18777 df-mnd 18793 df-mhm 18841 df-submnd 18842 df-cntz 19387 df-cmn 19852 df-fbas 21488 df-fg 21489 df-top 23020 df-topon 23037 df-topsp 23059 df-bases 23072 df-ntr 23146 df-nei 23224 df-cn 23353 df-cnp 23354 df-haus 23441 df-fil 23972 df-fm 24064 df-flim 24065 df-flf 24066 df-tsms 24253 df-esum 34363 |
| This theorem is referenced by: omssubadd 34635 |
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