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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 13399 | . . . 4 ⊢ (0[,)+∞) ⊆ ℝ* | |
| 2 | esummulc2.c | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (0[,)+∞)) | |
| 3 | 1, 2 | sselid 3946 | . . 3 ⊢ (𝜑 → 𝐶 ∈ ℝ*) |
| 4 | iccssxr 13397 | . . . 4 ⊢ (0[,]+∞) ⊆ ℝ* | |
| 5 | esummulc2.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 6 | esummulc2.b | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 7 | 6 | ralrimiva 3126 | . . . . 5 ⊢ (𝜑 → ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) |
| 8 | nfcv 2892 | . . . . . 6 ⊢ Ⅎ𝑘𝐴 | |
| 9 | 8 | esumcl 34026 | . . . . 5 ⊢ ((𝐴 ∈ 𝑉 ∧ ∀𝑘 ∈ 𝐴 𝐵 ∈ (0[,]+∞)) → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 10 | 5, 7, 9 | syl2anc 584 | . . . 4 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ (0[,]+∞)) |
| 11 | 4, 10 | sselid 3946 | . . 3 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) |
| 12 | xmulcom 13232 | . . 3 ⊢ ((𝐶 ∈ ℝ* ∧ Σ*𝑘 ∈ 𝐴𝐵 ∈ ℝ*) → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) | |
| 13 | 3, 11, 12 | syl2anc 584 | . 2 ⊢ (𝜑 → (𝐶 ·e Σ*𝑘 ∈ 𝐴𝐵) = (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶)) |
| 14 | 5, 6, 2 | esummulc1 34077 | . 2 ⊢ (𝜑 → (Σ*𝑘 ∈ 𝐴𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶)) |
| 15 | 4, 6 | sselid 3946 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ ℝ*) |
| 16 | 3 | adantr 480 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐶 ∈ ℝ*) |
| 17 | xmulcom 13232 | . . . 4 ⊢ ((𝐵 ∈ ℝ* ∧ 𝐶 ∈ ℝ*) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) | |
| 18 | 15, 16, 17 | syl2anc 584 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → (𝐵 ·e 𝐶) = (𝐶 ·e 𝐵)) |
| 19 | 18 | esumeq2dv 34034 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴(𝐵 ·e 𝐶) = Σ*𝑘 ∈ 𝐴(𝐶 ·e 𝐵)) |
| 20 | 13, 14, 19 | 3eqtrd 2769 | 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 1540 ∈ wcel 2109 ∀wral 3045 (class class class)co 7389 0cc0 11074 +∞cpnf 11211 ℝ*cxr 11213 ·e cxmu 13077 [,)cico 13314 [,]cicc 13315 Σ*cesum 34023 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2008 ax-8 2111 ax-9 2119 ax-10 2142 ax-11 2158 ax-12 2178 ax-ext 2702 ax-rep 5236 ax-sep 5253 ax-nul 5263 ax-pow 5322 ax-pr 5389 ax-un 7713 ax-cnex 11130 ax-resscn 11131 ax-1cn 11132 ax-icn 11133 ax-addcl 11134 ax-addrcl 11135 ax-mulcl 11136 ax-mulrcl 11137 ax-mulcom 11138 ax-addass 11139 ax-mulass 11140 ax-distr 11141 ax-i2m1 11142 ax-1ne0 11143 ax-1rid 11144 ax-rnegex 11145 ax-rrecex 11146 ax-cnre 11147 ax-pre-lttri 11148 ax-pre-lttrn 11149 ax-pre-ltadd 11150 ax-pre-mulgt0 11151 ax-pre-sup 11152 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2066 df-mo 2534 df-eu 2563 df-clab 2709 df-cleq 2722 df-clel 2804 df-nfc 2879 df-ne 2927 df-nel 3031 df-ral 3046 df-rex 3055 df-rmo 3356 df-reu 3357 df-rab 3409 df-v 3452 df-sbc 3756 df-csb 3865 df-dif 3919 df-un 3921 df-in 3923 df-ss 3933 df-pss 3936 df-nul 4299 df-if 4491 df-pw 4567 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4874 df-int 4913 df-iun 4959 df-iin 4960 df-br 5110 df-opab 5172 df-mpt 5191 df-tr 5217 df-id 5535 df-eprel 5540 df-po 5548 df-so 5549 df-fr 5593 df-se 5594 df-we 5595 df-xp 5646 df-rel 5647 df-cnv 5648 df-co 5649 df-dm 5650 df-rn 5651 df-res 5652 df-ima 5653 df-pred 6276 df-ord 6337 df-on 6338 df-lim 6339 df-suc 6340 df-iota 6466 df-fun 6515 df-fn 6516 df-f 6517 df-f1 6518 df-fo 6519 df-f1o 6520 df-fv 6521 df-isom 6522 df-riota 7346 df-ov 7392 df-oprab 7393 df-mpo 7394 df-of 7655 df-om 7845 df-1st 7970 df-2nd 7971 df-supp 8142 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8380 df-1o 8436 df-2o 8437 df-er 8673 df-map 8803 df-en 8921 df-dom 8922 df-sdom 8923 df-fin 8924 df-fsupp 9319 df-fi 9368 df-sup 9399 df-inf 9400 df-oi 9469 df-card 9898 df-pnf 11216 df-mnf 11217 df-xr 11218 df-ltxr 11219 df-le 11220 df-sub 11413 df-neg 11414 df-div 11842 df-nn 12188 df-2 12250 df-3 12251 df-4 12252 df-5 12253 df-6 12254 df-7 12255 df-8 12256 df-9 12257 df-n0 12449 df-z 12536 df-dec 12656 df-uz 12800 df-q 12914 df-rp 12958 df-xneg 13078 df-xadd 13079 df-xmul 13080 df-ioo 13316 df-ioc 13317 df-ico 13318 df-icc 13319 df-fz 13475 df-fzo 13622 df-seq 13973 df-hash 14302 df-struct 17123 df-sets 17140 df-slot 17158 df-ndx 17170 df-base 17186 df-ress 17207 df-plusg 17239 df-mulr 17240 df-tset 17245 df-ple 17246 df-ds 17248 df-rest 17391 df-topn 17392 df-0g 17410 df-gsum 17411 df-topgen 17412 df-ordt 17470 df-xrs 17471 df-mre 17553 df-mrc 17554 df-acs 17556 df-ps 18531 df-tsr 18532 df-mgm 18573 df-sgrp 18652 df-mnd 18668 df-mhm 18716 df-submnd 18717 df-cntz 19255 df-cmn 19718 df-fbas 21267 df-fg 21268 df-top 22787 df-topon 22804 df-topsp 22826 df-bases 22839 df-ntr 22913 df-nei 22991 df-cn 23120 df-cnp 23121 df-haus 23208 df-fil 23739 df-fm 23831 df-flim 23832 df-flf 23833 df-tsms 24020 df-esum 34024 |
| This theorem is referenced by: omssubadd 34297 |
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