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| 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 17637 | . . . . 5 ⊢ (0[,]+∞) = (Base‘(ℝ*𝑠 ↾s (0[,]+∞))) | |
| 2 | xrge0cmn 21496 | . . . . . 6 ⊢ (ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd | |
| 3 | 2 | a1i 11 | . . . . 5 ⊢ (𝜑 → (ℝ*𝑠 ↾s (0[,]+∞)) ∈ CMnd) |
| 4 | xrge0tps 34239 | . . . . . 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 7096 | . . . . 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 24205 | . . . 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 6806 | . . . . . . . . . . 11 ⊢ (𝐹:𝐶–1-1-onto→𝐴 → 𝐹:𝐶⟶𝐴) | |
| 18 | 9, 17 | syl 17 | . . . . . . . . . 10 ⊢ (𝜑 → 𝐹:𝐶⟶𝐴) |
| 19 | 18 | ffvelcdmda 7065 | . . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → (𝐹‘𝑛) ∈ 𝐴) |
| 20 | 16, 19 | eqeltrrd 2863 | . . . . . . . 8 ⊢ ((𝜑 ∧ 𝑛 ∈ 𝐶) → 𝐺 ∈ 𝐴) |
| 21 | 20 | ex 416 | . . . . . . 7 ⊢ (𝜑 → (𝑛 ∈ 𝐶 → 𝐺 ∈ 𝐴)) |
| 22 | 15, 21 | ralrimi 3260 | . . . . . 6 ⊢ (𝜑 → ∀𝑛 ∈ 𝐶 𝐺 ∈ 𝐴) |
| 23 | esumf1o.f | . . . . . . . 8 ⊢ Ⅎ𝑛𝐹 | |
| 24 | 13, 23, 18 | feqmptdf 6937 | . . . . . . 7 ⊢ (𝜑 → 𝐹 = (𝑛 ∈ 𝐶 ↦ (𝐹‘𝑛))) |
| 25 | 15, 16 | mpteq2da 5192 | . . . . . . 7 ⊢ (𝜑 → (𝑛 ∈ 𝐶 ↦ (𝐹‘𝑛)) = (𝑛 ∈ 𝐶 ↦ 𝐺)) |
| 26 | 24, 25 | eqtrd 2797 | . . . . . 6 ⊢ (𝜑 → 𝐹 = (𝑛 ∈ 𝐶 ↦ 𝐺)) |
| 27 | eqidd 2763 | . . . . . 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 32859 | . . . . 5 ⊢ (𝜑 → ((𝑘 ∈ 𝐴 ↦ 𝐵) ∘ 𝐹) = (𝑛 ∈ 𝐶 ↦ 𝐷)) |
| 30 | 29 | oveq2d 7412 | . . . 4 ⊢ (𝜑 → ((ℝ*𝑠 ↾s (0[,]+∞)) tsums ((𝑘 ∈ 𝐴 ↦ 𝐵) ∘ 𝐹)) = ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 31 | 10, 30 | eqtrd 2797 | . . 3 ⊢ (𝜑 → ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) = ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 32 | 31 | unieqd 4878 | . 2 ⊢ (𝜑 → ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷))) |
| 33 | df-esum 34325 | . 2 ⊢ Σ*𝑘 ∈ 𝐴𝐵 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑘 ∈ 𝐴 ↦ 𝐵)) | |
| 34 | df-esum 34325 | . 2 ⊢ Σ*𝑛 ∈ 𝐶𝐷 = ∪ ((ℝ*𝑠 ↾s (0[,]+∞)) tsums (𝑛 ∈ 𝐶 ↦ 𝐷)) | |
| 35 | 32, 33, 34 | 3eqtr4g 2822 | 1 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐵 = Σ*𝑛 ∈ 𝐶𝐷) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∧ wa 399 = wceq 1560 Ⅎwnf 1803 ∈ wcel 2142 Ⅎwnfc 2909 ∪ cuni 4865 ↦ cmpt 5181 ∘ ccom 5651 ⟶wf 6517 –1-1-onto→wf1o 6520 ‘cfv 6521 (class class class)co 7396 0cc0 11073 +∞cpnf 11213 [,]cicc 13352 ↾s cress 17266 ℝ*𝑠cxrs 17530 CMndccmn 19820 TopSpctps 22992 tsums ctsu 24186 Σ*cesum 34324 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-10 2175 ax-11 2191 ax-12 2212 ax-ext 2734 ax-rep 5227 ax-sep 5246 ax-nul 5256 ax-pow 5322 ax-pr 5390 ax-un 7718 ax-cnex 11129 ax-resscn 11130 ax-1cn 11131 ax-icn 11132 ax-addcl 11133 ax-addrcl 11134 ax-mulcl 11135 ax-mulrcl 11136 ax-mulcom 11137 ax-addass 11138 ax-mulass 11139 ax-distr 11140 ax-i2m1 11141 ax-1ne0 11142 ax-1rid 11143 ax-rnegex 11144 ax-rrecex 11145 ax-cnre 11146 ax-pre-lttri 11147 ax-pre-lttrn 11148 ax-pre-ltadd 11149 ax-pre-mulgt0 11150 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-or 859 df-3or 1099 df-3an 1100 df-tru 1563 df-fal 1573 df-ex 1800 df-nf 1804 df-sb 2091 df-mo 2566 df-eu 2596 df-clab 2741 df-cleq 2754 df-clel 2837 df-nfc 2911 df-ne 2958 df-nel 3062 df-ral 3077 df-rex 3087 df-rmo 3367 df-reu 3368 df-rab 3415 df-v 3456 df-sbc 3745 df-csb 3853 df-dif 3907 df-un 3909 df-in 3911 df-ss 3921 df-pss 3924 df-nul 4286 df-if 4481 df-pw 4557 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4906 df-iun 4951 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5542 df-eprel 5547 df-po 5555 df-so 5556 df-fr 5600 df-se 5601 df-we 5602 df-xp 5653 df-rel 5654 df-cnv 5655 df-co 5656 df-dm 5657 df-rn 5658 df-res 5659 df-ima 5660 df-pred 6288 df-ord 6349 df-on 6350 df-lim 6351 df-suc 6352 df-iota 6477 df-fun 6523 df-fn 6524 df-f 6525 df-f1 6526 df-fo 6527 df-f1o 6528 df-fv 6529 df-isom 6530 df-riota 7353 df-ov 7399 df-oprab 7400 df-mpo 7401 df-om 7847 df-1st 7970 df-2nd 7971 df-supp 8141 df-frecs 8262 df-wrecs 8293 df-recs 8342 df-rdg 8381 df-1o 8437 df-2o 8438 df-er 8678 df-map 8810 df-en 8928 df-dom 8929 df-sdom 8930 df-fin 8931 df-fsupp 9308 df-fi 9357 df-oi 9458 df-card 9897 df-pnf 11218 df-mnf 11219 df-xr 11220 df-ltxr 11221 df-le 11222 df-sub 11416 df-neg 11417 df-nn 12211 df-2 12280 df-3 12281 df-4 12282 df-5 12283 df-6 12284 df-7 12285 df-8 12286 df-9 12287 df-n0 12482 df-z 12569 df-dec 12689 df-uz 12840 df-xadd 13115 df-icc 13356 df-fz 13513 df-fzo 13660 df-seq 14015 df-hash 14344 df-struct 17183 df-sets 17200 df-slot 17218 df-ndx 17230 df-base 17246 df-ress 17267 df-plusg 17299 df-mulr 17300 df-tset 17305 df-ple 17306 df-ds 17308 df-rest 17451 df-topn 17452 df-0g 17470 df-gsum 17471 df-topgen 17472 df-ordt 17531 df-xrs 17532 df-ps 18598 df-tsr 18599 df-mgm 18674 df-sgrp 18753 df-mnd 18769 df-submnd 18818 df-cntz 19357 df-cmn 19822 df-fbas 21421 df-fg 21422 df-top 22954 df-topon 22971 df-topsp 22993 df-bases 23006 df-ntr 23080 df-nei 23158 df-fil 23906 df-fm 23998 df-flim 23999 df-flf 24000 df-tsms 24187 df-esum 34325 |
| This theorem is referenced by: esumc 34348 esumiun 34391 volmeas 34528 |
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