| Mathbox for Thierry Arnoux |
< Previous
Next >
Nearby theorems |
||
| Mirrors > Home > MPE Home > Th. List > Mathboxes > esumf1o | Structured version Visualization version GIF version | ||
| Description: Re-index an extended sum using a bijection. (Contributed by Thierry Arnoux, 6-Apr-2017.) |
| Ref | Expression |
|---|---|
| esumf1o.0 | ⊢ Ⅎ𝑛𝜑 |
| esumf1o.b | ⊢ Ⅎ𝑛𝐵 |
| esumf1o.d | ⊢ Ⅎ𝑘𝐷 |
| esumf1o.a | ⊢ Ⅎ𝑛𝐴 |
| esumf1o.c | ⊢ Ⅎ𝑛𝐶 |
| esumf1o.f | ⊢ Ⅎ𝑛𝐹 |
| esumf1o.1 | ⊢ (𝑘 = 𝐺 → 𝐵 = 𝐷) |
| esumf1o.2 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| esumf1o.3 | ⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴) |
| esumf1o.4 | ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → (𝐹‘𝑛) = 𝐺) |
| esumf1o.5 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) |
| Ref | Expression |
|---|---|
| esumf1o | ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 = Σ*𝑛 ∈ 𝐶𝐷) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrge0base 17546 | . . . . 5 ⊢ (0[,]+∞) = (Base‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 2 | xrge0cmn 21386 | . . . . . 6 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd | |
| 3 | 2 | a1i 11 | . . . . 5 ⊢ (𝜑 → (ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd) |
| 4 | xrge0tps 33925 | . . . . . 6 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ TopSp | |
| 5 | 4 | a1i 11 | . . . . 5 ⊢ (𝜑 → (ℝ*𝑠 ↾s (0[,]+∞)) ∈ TopSp) |
| 6 | esumf1o.2 | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 7 | esumf1o.5 | . . . . . 6 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (0[,]+∞)) | |
| 8 | 7 | fmpttd 7069 | . . . . 5 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵):𝐴⟶(0[,]+∞)) |
| 9 | esumf1o.3 | . . . . 5 ⊢ (𝜑 → 𝐹:𝐶–1-1-onto→𝐴) | |
| 10 | 1, 3, 5, 6, 8, 9 | tsmsf1o 24065 | . . . 4 ⊢ (𝜑 → ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) = ((ℝ*𝑠 ↾s (0[,]+∞)) tsums ((𝑘 ∈ 𝐴 ↦ 𝐵) ∘ 𝐹))) |
| 11 | esumf1o.b | . . . . . 6 ⊢ Ⅎ𝑛𝐵 | |
| 12 | esumf1o.d | . . . . . 6 ⊢ Ⅎ𝑘𝐷 | |
| 13 | esumf1o.c | . . . . . 6 ⊢ Ⅎ𝑛𝐶 | |
| 14 | esumf1o.a | . . . . . 6 ⊢ Ⅎ𝑛𝐴 | |
| 15 | esumf1o.0 | . . . . . 6 ⊢ Ⅎ𝑛𝜑 | |
| 16 | esumf1o.4 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → (𝐹‘𝑛) = 𝐺) | |
| 17 | f1of 6782 | . . . . . . . . . . 11 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → 𝐹:𝐶⟶𝐴) | |
| 18 | 9, 17 | syl 17 | . . . . . . . . . 10 ⊢ (𝜑 → 𝐹:𝐶⟶𝐴) |
| 19 | 18 | ffvelcdmda 7038 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → (𝐹‘𝑛) ∈ 𝐴) |
| 20 | 16, 19 | eqeltrrd 2829 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → 𝐺 ∈ 𝐴) |
| 21 | 20 | ex 412 | . . . . . . 7 ⊢ (𝜑 → (𝑛 ∈ 𝐶 → 𝐺 ∈ 𝐴)) |
| 22 | 15, 21 | ralrimi 3233 | . . . . . 6 ⊢ (𝜑 → ∀𝑛 ∈ 𝐶 𝐺 ∈ 𝐴) |
| 23 | esumf1o.f | . . . . . . . 8 ⊢ Ⅎ𝑛𝐹 | |
| 24 | 13, 23, 18 | feqmptdf 6913 | . . . . . . 7 ⊢ (𝜑 → 𝐹 = (𝑛 ∈ 𝐶 ↦ (𝐹‘𝑛))) |
| 25 | 15, 16 | mpteq2da 5194 | . . . . . . 7 ⊢ (𝜑 → (𝑛 ∈ 𝐶 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝐶 ↦ 𝐺)) |
| 26 | 24, 25 | eqtrd 2764 | . . . . . 6 ⊢ (𝜑 → 𝐹 = (𝑛 ∈ 𝐶 ↦ 𝐺)) |
| 27 | eqidd 2730 | . . . . . 6 ⊢ (𝜑 → (𝑘 ∈ 𝐴 ↦ 𝐵) = (𝑘 ∈ 𝐴 ↦ 𝐵)) | |
| 28 | esumf1o.1 | . . . . . 6 ⊢ (𝑘 = 𝐺 → 𝐵 = 𝐷) | |
| 29 | 11, 12, 13, 14, 15, 22, 26, 27, 28 | fmptcof2 32631 | . . . . 5 ⊢ (𝜑 → ((𝑘 ∈ 𝐴 ↦ 𝐵) ∘ 𝐹) = (𝑛 ∈ 𝐶 ↦ 𝐷)) |
| 30 | 29 | oveq2d 7385 | . . . 4 ⊢ (𝜑 → ((ℝ*𝑠 ↾s (0[,]+∞)) tsums ((𝑘 ∈ 𝐴 ↦ 𝐵) ∘ 𝐹)) = ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 31 | 10, 30 | eqtrd 2764 | . . 3 ⊢ (𝜑 → ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) = ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 32 | 31 | unieqd 4880 | . 2 ⊢ (𝜑 → ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 33 | df-esum 34011 | . 2 ⊢ Σ*𝑘 ∈ 𝐴𝐵 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) | |
| 34 | df-esum 34011 | . 2 ⊢ Σ*𝑛 ∈ 𝐶𝐷 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷)) | |
| 35 | 32, 33, 34 | 3eqtr4g 2789 | 1 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 = Σ*𝑛 ∈ 𝐶𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 395 = wceq 1540 Ⅎwnf 1783 ∈ wcel 2109 Ⅎwnfc 2876 ∪ cuni 4867 ↦ cmpt 5183 ∘ ccom 5635 ⟶wf 6495 –1-1-onto→wf1o 6498 ‘cfv 6499 (class class class)co 7369 0cc0 11044 +∞cpnf 11181 [,]cicc 13285 ↾s cress 17176 ℝ*𝑠cxrs 17439 CMndccmn 19694 TopSpctps 22852 tsums ctsu 24046 Σ*cesum 34010 |
| 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 2701 ax-rep 5229 ax-sep 5246 ax-nul 5256 ax-pow 5315 ax-pr 5382 ax-un 7691 ax-cnex 11100 ax-resscn 11101 ax-1cn 11102 ax-icn 11103 ax-addcl 11104 ax-addrcl 11105 ax-mulcl 11106 ax-mulrcl 11107 ax-mulcom 11108 ax-addass 11109 ax-mulass 11110 ax-distr 11111 ax-i2m1 11112 ax-1ne0 11113 ax-1rid 11114 ax-rnegex 11115 ax-rrecex 11116 ax-cnre 11117 ax-pre-lttri 11118 ax-pre-lttrn 11119 ax-pre-ltadd 11120 ax-pre-mulgt0 11121 |
| 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 2533 df-eu 2562 df-clab 2708 df-cleq 2721 df-clel 2803 df-nfc 2878 df-ne 2926 df-nel 3030 df-ral 3045 df-rex 3054 df-rmo 3351 df-reu 3352 df-rab 3403 df-v 3446 df-sbc 3751 df-csb 3860 df-dif 3914 df-un 3916 df-in 3918 df-ss 3928 df-pss 3931 df-nul 4293 df-if 4485 df-pw 4561 df-sn 4586 df-pr 4588 df-tp 4590 df-op 4592 df-uni 4868 df-int 4907 df-iun 4953 df-br 5103 df-opab 5165 df-mpt 5184 df-tr 5210 df-id 5526 df-eprel 5531 df-po 5539 df-so 5540 df-fr 5584 df-se 5585 df-we 5586 df-xp 5637 df-rel 5638 df-cnv 5639 df-co 5640 df-dm 5641 df-rn 5642 df-res 5643 df-ima 5644 df-pred 6262 df-ord 6323 df-on 6324 df-lim 6325 df-suc 6326 df-iota 6452 df-fun 6501 df-fn 6502 df-f 6503 df-f1 6504 df-fo 6505 df-f1o 6506 df-fv 6507 df-isom 6508 df-riota 7326 df-ov 7372 df-oprab 7373 df-mpo 7374 df-om 7823 df-1st 7947 df-2nd 7948 df-supp 8117 df-frecs 8237 df-wrecs 8268 df-recs 8317 df-rdg 8355 df-1o 8411 df-2o 8412 df-er 8648 df-map 8778 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-fsupp 9289 df-fi 9338 df-oi 9439 df-card 9868 df-pnf 11186 df-mnf 11187 df-xr 11188 df-ltxr 11189 df-le 11190 df-sub 11383 df-neg 11384 df-nn 12163 df-2 12225 df-3 12226 df-4 12227 df-5 12228 df-6 12229 df-7 12230 df-8 12231 df-9 12232 df-n0 12419 df-z 12506 df-dec 12626 df-uz 12770 df-xadd 13049 df-icc 13289 df-fz 13445 df-fzo 13592 df-seq 13943 df-hash 14272 df-struct 17093 df-sets 17110 df-slot 17128 df-ndx 17140 df-base 17156 df-ress 17177 df-plusg 17209 df-mulr 17210 df-tset 17215 df-ple 17216 df-ds 17218 df-rest 17361 df-topn 17362 df-0g 17380 df-gsum 17381 df-topgen 17382 df-ordt 17440 df-xrs 17441 df-ps 18507 df-tsr 18508 df-mgm 18549 df-sgrp 18628 df-mnd 18644 df-submnd 18693 df-cntz 19231 df-cmn 19696 df-fbas 21293 df-fg 21294 df-top 22814 df-topon 22831 df-topsp 22853 df-bases 22866 df-ntr 22940 df-nei 23018 df-fil 23766 df-fm 23858 df-flim 23859 df-flf 23860 df-tsms 24047 df-esum 34011 |
| This theorem is referenced by: esumc 34034 esumiun 34077 volmeas 34214 |
| Copyright terms: Public domain | W3C validator |