| Mathbox for Thierry Arnoux |
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| Mirrors > Home > MPE Home > Th. List > Mathboxes > esumdivc | Structured version Visualization version GIF version | ||
| Description: An extended sum divided by a constant. (Contributed by Thierry Arnoux, 6-Jul-2017.) |
| Ref | Expression |
|---|---|
| esumdivc.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| esumdivc.b | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) |
| esumdivc.c | ⊢ (𝜑 → 𝐶 ∈ ℝ+) |
| Ref | Expression |
|---|---|
| esumdivc | ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 /e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 /e 𝐶)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | esumdivc.a | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 2 | esumdivc.b | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 3 | 1red 11313 | . . . . 5 ⊢ (𝜑 → 1 ∈ ℝ) | |
| 4 | esumdivc.c | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 5 | 4 | rpred 13168 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 6 | 4 | rpne0d 13173 | . . . . 5 ⊢ (𝜑 → 𝐶 ≠ 0) |
| 7 | rexdiv 33539 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 𝐶 ∈ ℝ ∧ 𝐶 ≠ 0) → (1 /e 𝐶) = (1 / 𝐶)) | |
| 8 | 3, 5, 6, 7 | syl3anc 1398 | . . . 4 ⊢ (𝜑 → (1 /e 𝐶) = (1 / 𝐶)) |
| 9 | ioorp 13560 | . . . . . 6 ⊢ (0(,)+∞) = ℝ+ | |
| 10 | ioossico 13573 | . . . . . 6 ⊢ (0(,)+∞) ⊆ (0[,)+∞) | |
| 11 | 9, 10 | eqsstrri 3955 | . . . . 5 ⊢ ℝ+ ⊆ (0[,)+∞) |
| 12 | 4 | rpreccld 13178 | . . . . 5 ⊢ (𝜑 → (1 / 𝐶) ∈ ℝ+) |
| 13 | 11, 12 | sselid 3906 | . . . 4 ⊢ (𝜑 → (1 / 𝐶) ∈ (0[,)+∞)) |
| 14 | 8, 13 | eqeltrd 2860 | . . 3 ⊢ (𝜑 → (1 /e 𝐶) ∈ (0[,)+∞)) |
| 15 | 1, 2, 14 | esummulc1 34760 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /e 𝐶)) = Σ*𝑘 ∈ 𝐴(𝐵 ·e (1 /e 𝐶))) |
| 16 | iccssxr 13565 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 17 | 2 | ralrimiva 3154 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 18 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 19 | 18 | esumcl 34709 | . . . . 5 ⊢ ((𝐴 ∈ 𝑉 ∧ ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 20 | 1, 17, 19 | syl2anc 596 | . . . 4 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 21 | 16, 20 | sselid 3906 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 22 | xdivrec 33540 | . . 3 ⊢ ((Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ ∧ 𝐶 ≠ 0) → (Σ*𝑘 ∈ 𝐴𝐵 /e 𝐶) = (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /e 𝐶))) | |
| 23 | 21, 5, 6, 22 | syl3anc 1398 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 /e 𝐶) = (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /e 𝐶))) |
| 24 | 16, 2 | sselid 3906 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℝ*) |
| 25 | 5 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℝ) |
| 26 | 6 | adantr 486 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ≠ 0) |
| 27 | xdivrec 33540 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ ∧ 𝐶 ≠ 0) → (𝐵 /e 𝐶) = (𝐵 ·e (1 /e 𝐶))) | |
| 28 | 24, 25, 26, 27 | syl3anc 1398 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 /e 𝐶) = (𝐵 ·e (1 /e 𝐶))) |
| 29 | 28 | esumeq2dv 34717 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴(𝐵 /e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 ·e (1 /e 𝐶))) |
| 30 | 15, 23, 29 | 3eqtr4d 2805 | 1 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 /e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 /e 𝐶)) |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: → wi 4 ∧ wa 401 = wceq 1569 ∈ wcel 2144 ≠ wne 2955 ∀wral 3076 (class class class)co 7421 ℝcr 11203 0cc0 11204 1c1 11205 +∞cpnf 11344 ℝ*cxr 11346 / cdiv 11977 ℝ+crp 13124 ·e cxmu 13244 (,)cioo 13480 [,)cico 13482 [,]cicc 13483 /e cxdiv 33530 Σ*cesum 34706 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-10 2177 ax-11 2193 ax-12 2212 ax-ext 2732 ax-rep 5231 ax-sep 5248 ax-nul 5259 ax-pow 5326 ax-pr 5390 ax-un 7752 ax-cnex 11260 ax-resscn 11261 ax-1cn 11262 ax-icn 11263 ax-addcl 11264 ax-addrcl 11265 ax-mulcl 11266 ax-mulrcl 11267 ax-mulcom 11268 ax-addass 11269 ax-mulass 11270 ax-distr 11271 ax-i2m1 11272 ax-1ne0 11273 ax-1rid 11274 ax-rnegex 11275 ax-rrecex 11276 ax-cnre 11277 ax-pre-lttri 11278 ax-pre-lttrn 11279 ax-pre-ltadd 11280 ax-pre-mulgt0 11281 ax-pre-sup 11282 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1572 df-fal 1582 df-ex 1812 df-nf 1816 df-sb 2099 df-mo 2564 df-eu 2594 df-clab 2739 df-cleq 2752 df-clel 2835 df-nfc 2909 df-ne 2956 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3365 df-reu 3366 df-rab 3413 df-v 3452 df-sbc 3739 df-csb 3847 df-ss 3896 df-pss 4014 df-dif 4047 df-in 4091 df-un 4151 df-nul 4279 df-if 4482 df-pw 4558 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4835 df-uni 4867 df-int 4907 df-iun 4952 df-iin 4953 df-br 5103 df-opab 5167 df-mpt 5186 df-tr 5212 df-id 5545 df-eprel 5550 df-po 5558 df-so 5559 df-fr 5603 df-se 5604 df-we 5605 df-xp 5656 df-rel 5657 df-cnv 5658 df-co 5659 df-dm 5660 df-rn 5661 df-res 5662 df-ima 5663 df-pred 6304 df-ord 6365 df-on 6366 df-lim 6367 df-suc 6368 df-iota 6494 df-fun 6541 df-fn 6542 df-f 6543 df-f1 6544 df-fo 6545 df-f1o 6546 df-fv 6547 df-isom 6548 df-riota 7378 df-ov 7424 df-oprab 7425 df-mpo 7426 df-of 7694 df-om 7879 df-1st 8002 df-2nd 8003 df-supp 8181 df-frecs 8303 df-wrecs 8334 df-recs 8383 df-rdg 8422 df-1o 8480 df-2o 8481 df-er 8721 df-map 8853 df-en 8978 df-dom 8979 df-sdom 8980 df-fin 8981 df-fsupp 9358 df-fi 9407 df-sup 9438 df-inf 9439 df-oi 9508 df-card 10024 df-pnf 11349 df-mnf 11350 df-xr 11351 df-ltxr 11352 df-le 11353 df-sub 11547 df-neg 11548 df-div 11978 df-nn 12340 df-2 12409 df-3 12410 df-4 12411 df-5 12412 df-6 12413 df-7 12414 df-8 12415 df-9 12416 df-n0 12611 df-z 12698 df-dec 12819 df-uz 12970 df-q 13080 df-rp 13125 df-xneg 13245 df-xadd 13246 df-xmul 13247 df-ioo 13484 df-ioc 13485 df-ico 13486 df-icc 13487 df-fz 13644 df-fzo 13793 df-seq 14149 df-hash 14479 df-struct 17331 df-sets 17348 df-slot 17366 df-ndx 17378 df-base 17394 df-ress 17415 df-plusg 17447 df-mulr 17448 df-tset 17453 df-ple 17454 df-ds 17456 df-rest 17599 df-topn 17600 df-0g 17618 df-gsum 17619 df-topgen 17620 df-ordt 17679 df-xrs 17680 df-mre 17762 df-mrc 17763 df-acs 17765 df-ps 18746 df-tsr 18747 df-mgm 18822 df-sgrp 18914 df-mnd 18930 df-mhm 18984 df-submnd 18985 df-cntz 19537 df-cmn 20002 df-fbas 21681 df-fg 21682 df-top 23218 df-topon 23235 df-topsp 23257 df-bases 23270 df-ntr 23344 df-nei 23422 df-cn 23551 df-cnp 23552 df-haus 23639 df-fil 24171 df-fm 24263 df-flim 24264 df-flf 24265 df-tsms 24452 df-xdiv 33531 df-esum 34707 |
| This theorem is used by: measdivcst 34904 measdivcstALTV 34905 |
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