| 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 11233 | . . . . 5 ⊢ (𝜑 → 1 ∈ ℝ) | |
| 4 | esumdivc.c | . . . . . 6 ⊢ (𝜑 → 𝐶 ∈ ℝ+) | |
| 5 | 4 | rpred 13086 | . . . . 5 ⊢ (𝜑 → 𝐶 ∈ ℝ) |
| 6 | 4 | rpne0d 13091 | . . . . 5 ⊢ (𝜑 → 𝐶 ≠ 0) |
| 7 | rexdiv 33371 | . . . . 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 13478 | . . . . . 6 ⊢ (0(,)+∞) = ℝ+ | |
| 10 | ioossico 13491 | . . . . . 6 ⊢ (0(,)+∞) ⊆ (0[,)+∞) | |
| 11 | 9, 10 | eqsstrri 3978 | . . . . 5 ⊢ ℝ+ ⊆ (0[,)+∞) |
| 12 | 4 | rpreccld 13096 | . . . . 5 ⊢ (𝜑 → (1 / 𝐶) ∈ ℝ+) |
| 13 | 11, 12 | sselid 3929 | . . . 4 ⊢ (𝜑 → (1 / 𝐶) ∈ (0[,)+∞)) |
| 14 | 8, 13 | eqeltrd 2860 | . . 3 ⊢ (𝜑 → (1 /𝑒 𝐶) ∈ (0[,)+∞)) |
| 15 | 1, 2, 14 | esummulc1 34591 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e (1 /𝑒 𝐶)) = Σ*𝑘 ∈ 𝐴(𝐵 ·e (1 /𝑒 𝐶))) |
| 16 | iccssxr 13483 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 17 | 2 | ralrimiva 3154 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 18 | nfcv 2922 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 19 | 18 | esumcl 34540 | . . . . 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 3929 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 22 | xdivrec 33372 | . . 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 3929 | . . . 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 33372 | . . . 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 34548 | . 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 1570 ∈ wcel 2145 ≠ wne 2955 ∀wral 3076 (class class class)co 7413 ℝcr 11123 0cc0 11124 1c1 11125 +∞cpnf 11264 ℝ*cxr 11266 / cdiv 11895 ℝ+crp 13042 ·e cxmu 13162 (,)cioo 13398 [,)cico 13400 [,]cicc 13401 /𝑒 cxdiv 33362 Σ*cesum 34537 |
| 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 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-10 2178 ax-11 2194 ax-12 2213 ax-ext 2732 ax-rep 5232 ax-sep 5251 ax-nul 5263 ax-pow 5330 ax-pr 5398 ax-un 7736 ax-cnex 11180 ax-resscn 11181 ax-1cn 11182 ax-icn 11183 ax-addcl 11184 ax-addrcl 11185 ax-mulcl 11186 ax-mulrcl 11187 ax-mulcom 11188 ax-addass 11189 ax-mulass 11190 ax-distr 11191 ax-i2m1 11192 ax-1ne0 11193 ax-1rid 11194 ax-rnegex 11195 ax-rrecex 11196 ax-cnre 11197 ax-pre-lttri 11198 ax-pre-lttrn 11199 ax-pre-ltadd 11200 ax-pre-mulgt0 11201 ax-pre-sup 11202 |
| 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 2100 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 3740 df-csb 3848 df-dif 3902 df-un 3904 df-in 3906 df-ss 3916 df-pss 3919 df-nul 4280 df-if 4483 df-pw 4559 df-sn 4585 df-pr 4587 df-tp 4589 df-op 4591 df-uni 4868 df-int 4908 df-iun 4953 df-iin 4954 df-br 5104 df-opab 5168 df-mpt 5187 df-tr 5213 df-id 5550 df-eprel 5555 df-po 5563 df-so 5564 df-fr 5608 df-se 5609 df-we 5610 df-xp 5661 df-rel 5662 df-cnv 5663 df-co 5664 df-dm 5665 df-rn 5666 df-res 5667 df-ima 5668 df-pred 6299 df-ord 6360 df-on 6361 df-lim 6362 df-suc 6363 df-iota 6489 df-fun 6535 df-fn 6536 df-f 6537 df-f1 6538 df-fo 6539 df-f1o 6540 df-fv 6541 df-isom 6542 df-riota 7370 df-ov 7416 df-oprab 7417 df-mpo 7418 df-of 7678 df-om 7863 df-1st 7986 df-2nd 7987 df-supp 8159 df-frecs 8280 df-wrecs 8311 df-recs 8360 df-rdg 8399 df-1o 8455 df-2o 8456 df-er 8696 df-map 8828 df-en 8953 df-dom 8954 df-sdom 8955 df-fin 8956 df-fsupp 9332 df-fi 9381 df-sup 9412 df-inf 9413 df-oi 9482 df-card 9944 df-pnf 11269 df-mnf 11270 df-xr 11271 df-ltxr 11272 df-le 11273 df-sub 11467 df-neg 11468 df-div 11896 df-nn 12258 df-2 12327 df-3 12328 df-4 12329 df-5 12330 df-6 12331 df-7 12332 df-8 12333 df-9 12334 df-n0 12529 df-z 12616 df-dec 12737 df-uz 12888 df-q 12998 df-rp 13043 df-xneg 13163 df-xadd 13164 df-xmul 13165 df-ioo 13402 df-ioc 13403 df-ico 13404 df-icc 13405 df-fz 13562 df-fzo 13710 df-seq 14066 df-hash 14395 df-struct 17239 df-sets 17256 df-slot 17274 df-ndx 17286 df-base 17302 df-ress 17323 df-plusg 17355 df-mulr 17356 df-tset 17361 df-ple 17362 df-ds 17364 df-rest 17507 df-topn 17508 df-0g 17526 df-gsum 17527 df-topgen 17528 df-ordt 17587 df-xrs 17588 df-mre 17670 df-mrc 17671 df-acs 17673 df-ps 18654 df-tsr 18655 df-mgm 18730 df-sgrp 18821 df-mnd 18837 df-mhm 18891 df-submnd 18892 df-cntz 19444 df-cmn 19909 df-fbas 21582 df-fg 21583 df-top 23119 df-topon 23136 df-topsp 23158 df-bases 23171 df-ntr 23245 df-nei 23323 df-cn 23452 df-cnp 23453 df-haus 23540 df-fil 24072 df-fm 24164 df-flim 24165 df-flf 24166 df-tsms 24353 df-xdiv 33363 df-esum 34538 |
| This theorem is used by: measdivcst 34735 measdivcstALTV 34736 |
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