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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 13374 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 2 | esummulc2.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (0[,)+∞)) | |
| 3 | 1, 2 | sselid 3915 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| 4 | iccssxr 13372 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 5 | esummulc2.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 6 | esummulc2.b | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 7 | 6 | ralrimiva 3127 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 8 | nfcv 2897 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 9 | 8 | esumcl 34162 | . . . . 5 ⊢ ((𝐴 ∈ 𝑉 ∧ ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 10 | 5, 7, 9 | syl2anc 585 | . . . 4 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 11 | 4, 10 | sselid 3915 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 12 | xmulcom 13207 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) | |
| 13 | 3, 11, 12 | syl2anc 585 | . 2 ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) |
| 14 | 5, 6, 2 | esummulc1 34213 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶)) |
| 15 | 4, 6 | sselid 3915 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℝ*) |
| 16 | 3 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℝ*) |
| 17 | xmulcom 13207 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) | |
| 18 | 15, 16, 17 | syl2anc 585 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) |
| 19 | 18 | esumeq2dv 34170 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| 20 | 13, 14, 19 | 3eqtrd 2774 | 1 ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3049 (class class class)co 7356 0cc0 11027 +∞cpnf 11165 ℝ*cxr 11167 ·e cxmu 13051 [,)cico 13289 [,]cicc 13290 Σ*cesum 34159 |
| 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 2184 ax-ext 2707 ax-rep 5201 ax-sep 5220 ax-nul 5230 ax-pow 5296 ax-pr 5364 ax-un 7678 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 2538 df-eu 2568 df-clab 2714 df-cleq 2727 df-clel 2810 df-nfc 2884 df-ne 2931 df-nel 3035 df-ral 3050 df-rex 3060 df-rmo 3340 df-reu 3341 df-rab 3388 df-v 3429 df-sbc 3726 df-csb 3834 df-dif 3888 df-un 3890 df-in 3892 df-ss 3902 df-pss 3905 df-nul 4264 df-if 4457 df-pw 4533 df-sn 4558 df-pr 4560 df-tp 4562 df-op 4564 df-uni 4841 df-int 4880 df-iun 4925 df-iin 4926 df-br 5075 df-opab 5137 df-mpt 5156 df-tr 5182 df-id 5515 df-eprel 5520 df-po 5528 df-so 5529 df-fr 5573 df-se 5574 df-we 5575 df-xp 5626 df-rel 5627 df-cnv 5628 df-co 5629 df-dm 5630 df-rn 5631 df-res 5632 df-ima 5633 df-pred 6254 df-ord 6315 df-on 6316 df-lim 6317 df-suc 6318 df-iota 6443 df-fun 6489 df-fn 6490 df-f 6491 df-f1 6492 df-fo 6493 df-f1o 6494 df-fv 6495 df-isom 6496 df-riota 7313 df-ov 7359 df-oprab 7360 df-mpo 7361 df-of 7620 df-om 7807 df-1st 7931 df-2nd 7932 df-supp 8100 df-frecs 8220 df-wrecs 8251 df-recs 8300 df-rdg 8338 df-1o 8394 df-2o 8395 df-er 8632 df-map 8764 df-en 8883 df-dom 8884 df-sdom 8885 df-fin 8886 df-fsupp 9264 df-fi 9313 df-sup 9344 df-inf 9345 df-oi 9414 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-4 12235 df-5 12236 df-6 12237 df-7 12238 df-8 12239 df-9 12240 df-n0 12427 df-z 12514 df-dec 12634 df-uz 12778 df-q 12888 df-rp 12932 df-xneg 13052 df-xadd 13053 df-xmul 13054 df-ioo 13291 df-ioc 13292 df-ico 13293 df-icc 13294 df-fz 13451 df-fzo 13598 df-seq 13953 df-hash 14282 df-struct 17106 df-sets 17123 df-slot 17141 df-ndx 17153 df-base 17169 df-ress 17190 df-plusg 17222 df-mulr 17223 df-tset 17228 df-ple 17229 df-ds 17231 df-rest 17374 df-topn 17375 df-0g 17393 df-gsum 17394 df-topgen 17395 df-ordt 17454 df-xrs 17455 df-mre 17537 df-mrc 17538 df-acs 17540 df-ps 18521 df-tsr 18522 df-mgm 18597 df-sgrp 18676 df-mnd 18692 df-mhm 18740 df-submnd 18741 df-cntz 19281 df-cmn 19746 df-fbas 21338 df-fg 21339 df-top 22847 df-topon 22864 df-topsp 22886 df-bases 22899 df-ntr 22973 df-nei 23051 df-cn 23180 df-cnp 23181 df-haus 23268 df-fil 23799 df-fm 23891 df-flim 23892 df-flf 23893 df-tsms 24080 df-esum 34160 |
| This theorem is referenced by: omssubadd 34432 |
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