| 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 11348 | . . . . 5 ⊢ (𝜑 → 1 ∈ ℝ) | |
| 4 | esumdivc.c | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 5 | 4 | rpred 13204 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 6 | 4 | rpne0d 13209 | . . . . 5 ⊢ (𝜑 → 𝐶 ≠ 0) |
| 7 | rexdiv 33588 | . . . . 5 ⊢ ((1 ∈ ℝ ∧ 𝐶 ∈ ℝ ∧ 𝐶 ≠ 0) → (1 /e 𝐶) = (1 / 𝐶)) | |
| 8 | 3, 5, 6, 7 | syl3anc 1399 | . . . 4 ⊢ (𝜑 → (1 /e 𝐶) = (1 / 𝐶)) |
| 9 | ioorp 13596 | . . . . . 6 ⊢ (0(,)+∞) = ℝ+ | |
| 10 | ioossico 13609 | . . . . . 6 ⊢ (0(,)+∞) ⊆ (0[,)+∞) | |
| 11 | 9, 10 | eqsstrri 3960 | . . . . 5 ⊢ ℝ+ ⊆ (0[,)+∞) |
| 12 | 4 | rpreccld 13214 | . . . . 5 ⊢ (𝜑 → (1 / 𝐶) ∈ ℝ+) |
| 13 | 11, 12 | sselid 3911 | . . . 4 ⊢ (𝜑 → (1 / 𝐶) ∈ (0[,)+∞)) |
| 14 | 8, 13 | eqeltrd 2864 | . . 3 ⊢ (𝜑 → (1 /e 𝐶) ∈ (0[,)+∞)) |
| 15 | 1, 2, 14 | esummulc1 34824 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /e 𝐶)) = Σ*𝑘 ∈ 𝐴(𝐵 ·e (1 /e 𝐶))) |
| 16 | iccssxr 13601 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 17 | 2 | ralrimiva 3158 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 18 | nfcv 2926 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 19 | 18 | esumcl 34773 | . . . . 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 3911 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 22 | xdivrec 33589 | . . 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 1399 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 /e 𝐶) = (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /e 𝐶))) |
| 24 | 16, 2 | sselid 3911 | . . . 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 33589 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ ∧ 𝐶 ≠ 0) → (𝐵 /e 𝐶) = (𝐵 ·e (1 /e 𝐶))) | |
| 28 | 24, 25, 26, 27 | syl3anc 1399 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 /e 𝐶) = (𝐵 ·e (1 /e 𝐶))) |
| 29 | 28 | esumeq2dv 34781 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴(𝐵 /e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 ·e (1 /e 𝐶))) |
| 30 | 15, 23, 29 | 3eqtr4d 2808 | 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 1570 ∈ wcel 2147 ≠ wne 2959 ∀wral 3080 (class class class)co 7451 ℝcr 11238 0cc0 11239 1c1 11240 +∞cpnf 11379 ℝ*cxr 11381 / cdiv 12013 ℝ+crp 13160 ·e cxmu 13280 (,)cioo 13516 [,)cico 13518 [,]cicc 13519 /e cxdiv 33579 Σ*cesum 34770 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1945 ax-6 2002 ax-7 2043 ax-8 2149 ax-9 2157 ax-10 2180 ax-11 2197 ax-12 2216 ax-ext 2735 ax-rep 5238 ax-sep 5255 ax-nul 5266 ax-pow 5334 ax-pr 5398 ax-un 7783 ax-cnex 11295 ax-resscn 11296 ax-1cn 11297 ax-icn 11298 ax-addcl 11299 ax-addrcl 11300 ax-mulcl 11301 ax-mulrcl 11302 ax-mulcom 11303 ax-addass 11304 ax-mulass 11305 ax-distr 11306 ax-i2m1 11307 ax-1ne0 11308 ax-1rid 11309 ax-rnegex 11310 ax-rrecex 11311 ax-cnre 11312 ax-pre-lttri 11313 ax-pre-lttrn 11314 ax-pre-ltadd 11315 ax-pre-mulgt0 11316 ax-pre-sup 11317 |
| This proof depends on definitions: df-bi 210 df-an 402 df-or 862 df-3or 1104 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1813 df-nf 1817 df-sb 2102 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2839 df-nfc 2913 df-ne 2960 df-nel 3066 df-ral 3081 df-rex 3091 df-rmo 3369 df-reu 3370 df-rab 3417 df-v 3456 df-sbc 3743 df-csb 3852 df-ss 3901 df-pss 4017 df-dif 4050 df-in 4094 df-un 4154 df-nul 4282 df-if 4486 df-pw 4562 df-sn 4589 df-pr 4591 df-tp 4593 df-op 4841 df-uni 4873 df-int 4913 df-iun 4958 df-iin 4959 df-br 5109 df-opab 5174 df-mpt 5193 df-tr 5219 df-id 5553 df-eprel 5558 df-po 5566 df-so 5567 df-fr 5611 df-se 5612 df-we 5613 df-xp 5664 df-rel 5665 df-cnv 5666 df-co 5667 df-dm 5668 df-rn 5669 df-res 5670 df-ima 5671 df-pred 6330 df-ord 6391 df-on 6392 df-lim 6393 df-suc 6394 df-iota 6520 df-fun 6568 df-fn 6569 df-f 6570 df-f1 6571 df-fo 6572 df-f1o 6573 df-fv 6574 df-isom 6575 df-riota 7408 df-ov 7454 df-oprab 7455 df-mpo 7456 df-of 7725 df-om 7912 df-1st 8035 df-2nd 8036 df-supp 8215 df-frecs 8337 df-wrecs 8368 df-recs 8417 df-rdg 8456 df-1o 8514 df-2o 8515 df-er 8755 df-map 8887 df-en 9012 df-dom 9013 df-sdom 9014 df-fin 9015 df-fsupp 9392 df-fi 9440 df-sup 9471 df-inf 9472 df-oi 9541 df-card 10057 df-pnf 11384 df-mnf 11385 df-xr 11386 df-ltxr 11387 df-le 11388 df-sub 11582 df-neg 11583 df-div 12014 df-nn 12376 df-2 12445 df-3 12446 df-4 12447 df-5 12448 df-6 12449 df-7 12450 df-8 12451 df-9 12452 df-n0 12647 df-z 12734 df-dec 12855 df-uz 13006 df-q 13116 df-rp 13161 df-xneg 13281 df-xadd 13282 df-xmul 13283 df-ioo 13520 df-ioc 13521 df-ico 13522 df-icc 13523 df-fz 13680 df-fzo 13829 df-seq 14185 df-hash 14516 df-struct 17369 df-sets 17386 df-slot 17404 df-ndx 17416 df-base 17432 df-ress 17453 df-plusg 17486 df-mulr 17487 df-tset 17492 df-ple 17493 df-ds 17495 df-rest 17643 df-topn 17644 df-0g 17662 df-gsum 17663 df-topgen 17664 df-ordt 17723 df-xrs 17724 df-mre 17806 df-mrc 17807 df-acs 17809 df-ps 18790 df-tsr 18791 df-mgm 18866 df-sgrp 18958 df-mnd 18974 df-mhm 19028 df-submnd 19029 df-cntz 19582 df-cmn 20047 df-fbas 21726 df-fg 21727 df-top 23267 df-topon 23284 df-topsp 23306 df-bases 23319 df-ntr 23393 df-nei 23471 df-cn 23600 df-cnp 23601 df-haus 23688 df-fil 24220 df-fm 24312 df-flim 24313 df-flf 24314 df-tsms 24501 df-xdiv 33580 df-esum 34771 |
| This theorem is used by: measdivcst 34968 measdivcstALTV 34969 |
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