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Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > esumrnmpt | Structured version Visualization version GIF version |
Description: Rewrite an extended sum into a sum on the range of a mapping function. (Contributed by Thierry Arnoux, 27-May-2020.) |
Ref | Expression |
---|---|
esumrnmpt.0 | ⊢ Ⅎ𝑘𝐴 |
esumrnmpt.1 | ⊢ (𝑦 = 𝐵 → 𝐶 = 𝐷) |
esumrnmpt.2 | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
esumrnmpt.3 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐷 ∈ (0[,]+∞)) |
esumrnmpt.4 | ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (𝑊 ∖ {∅})) |
esumrnmpt.5 | ⊢ (𝜑 → Disj 𝑘 ∈ 𝐴 𝐵) |
Ref | Expression |
---|---|
esumrnmpt | ⊢ (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ 𝐴 ↦ 𝐵)𝐶 = Σ*𝑘 ∈ 𝐴𝐷) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eqid 2736 | . . . 4 ⊢ (𝑘 ∈ 𝐴 ↦ 𝐵) = (𝑘 ∈ 𝐴 ↦ 𝐵) | |
2 | 1 | rnmpt 5972 | . . 3 ⊢ ran (𝑘 ∈ 𝐴 ↦ 𝐵) = {𝑧 ∣ ∃𝑘 ∈ 𝐴 𝑧 = 𝐵} |
3 | esumeq1 34028 | . . 3 ⊢ (ran (𝑘 ∈ 𝐴 ↦ 𝐵) = {𝑧 ∣ ∃𝑘 ∈ 𝐴 𝑧 = 𝐵} → Σ*𝑦 ∈ ran (𝑘 ∈ 𝐴 ↦ 𝐵)𝐶 = Σ*𝑦 ∈ {𝑧 ∣ ∃𝑘 ∈ 𝐴 𝑧 = 𝐵}𝐶) | |
4 | 2, 3 | ax-mp 5 | . 2 ⊢ Σ*𝑦 ∈ ran (𝑘 ∈ 𝐴 ↦ 𝐵)𝐶 = Σ*𝑦 ∈ {𝑧 ∣ ∃𝑘 ∈ 𝐴 𝑧 = 𝐵}𝐶 |
5 | nfcv 2904 | . . 3 ⊢ Ⅎ𝑘𝐶 | |
6 | nfv 1913 | . . 3 ⊢ Ⅎ𝑘𝜑 | |
7 | esumrnmpt.0 | . . 3 ⊢ Ⅎ𝑘𝐴 | |
8 | esumrnmpt.1 | . . 3 ⊢ (𝑦 = 𝐵 → 𝐶 = 𝐷) | |
9 | esumrnmpt.2 | . . 3 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
10 | esumrnmpt.4 | . . . 4 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐵 ∈ (𝑊 ∖ {∅})) | |
11 | esumrnmpt.5 | . . . 4 ⊢ (𝜑 → Disj 𝑘 ∈ 𝐴 𝐵) | |
12 | 6, 7, 10, 11 | disjdsct 32731 | . . 3 ⊢ (𝜑 → Fun ◡(𝑘 ∈ 𝐴 ↦ 𝐵)) |
13 | esumrnmpt.3 | . . 3 ⊢ ((𝜑 ∧ 𝑘 ∈ 𝐴) → 𝐷 ∈ (0[,]+∞)) | |
14 | 5, 6, 7, 8, 9, 12, 13, 10 | esumc 34045 | . 2 ⊢ (𝜑 → Σ*𝑘 ∈ 𝐴𝐷 = Σ*𝑦 ∈ {𝑧 ∣ ∃𝑘 ∈ 𝐴 𝑧 = 𝐵}𝐶) |
15 | 4, 14 | eqtr4id 2795 | 1 ⊢ (𝜑 → Σ*𝑦 ∈ ran (𝑘 ∈ 𝐴 ↦ 𝐵)𝐶 = Σ*𝑘 ∈ 𝐴𝐷) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 395 = wceq 1538 ∈ wcel 2107 {cab 2713 Ⅎwnfc 2889 ∃wrex 3069 ∖ cdif 3961 ∅c0 4340 {csn 4632 Disj wdisj 5116 ↦ cmpt 5232 ran crn 5691 (class class class)co 7435 0cc0 11159 +∞cpnf 11296 [,]cicc 13393 Σ*cesum 34021 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1966 ax-7 2006 ax-8 2109 ax-9 2117 ax-10 2140 ax-11 2156 ax-12 2176 ax-ext 2707 ax-rep 5286 ax-sep 5303 ax-nul 5313 ax-pow 5372 ax-pr 5439 ax-un 7758 ax-cnex 11215 ax-resscn 11216 ax-1cn 11217 ax-icn 11218 ax-addcl 11219 ax-addrcl 11220 ax-mulcl 11221 ax-mulrcl 11222 ax-mulcom 11223 ax-addass 11224 ax-mulass 11225 ax-distr 11226 ax-i2m1 11227 ax-1ne0 11228 ax-1rid 11229 ax-rnegex 11230 ax-rrecex 11231 ax-cnre 11232 ax-pre-lttri 11233 ax-pre-lttrn 11234 ax-pre-ltadd 11235 ax-pre-mulgt0 11236 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 848 df-3or 1087 df-3an 1088 df-tru 1541 df-fal 1551 df-ex 1778 df-nf 1782 df-sb 2064 df-mo 2539 df-eu 2568 df-clab 2714 df-cleq 2728 df-clel 2815 df-nfc 2891 df-ne 2940 df-nel 3046 df-ral 3061 df-rex 3070 df-rmo 3379 df-reu 3380 df-rab 3435 df-v 3481 df-sbc 3793 df-csb 3910 df-dif 3967 df-un 3969 df-in 3971 df-ss 3981 df-pss 3984 df-nul 4341 df-if 4533 df-pw 4608 df-sn 4633 df-pr 4635 df-tp 4637 df-op 4639 df-uni 4914 df-int 4953 df-iun 4999 df-disj 5117 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5584 df-eprel 5590 df-po 5598 df-so 5599 df-fr 5642 df-se 5643 df-we 5644 df-xp 5696 df-rel 5697 df-cnv 5698 df-co 5699 df-dm 5700 df-rn 5701 df-res 5702 df-ima 5703 df-pred 6326 df-ord 6392 df-on 6393 df-lim 6394 df-suc 6395 df-iota 6519 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 7392 df-ov 7438 df-oprab 7439 df-mpo 7440 df-om 7892 df-1st 8019 df-2nd 8020 df-supp 8191 df-frecs 8311 df-wrecs 8342 df-recs 8416 df-rdg 8455 df-1o 8511 df-2o 8512 df-er 8750 df-map 8873 df-en 8991 df-dom 8992 df-sdom 8993 df-fin 8994 df-fsupp 9406 df-fi 9455 df-oi 9554 df-card 9983 df-pnf 11301 df-mnf 11302 df-xr 11303 df-ltxr 11304 df-le 11305 df-sub 11498 df-neg 11499 df-nn 12271 df-2 12333 df-3 12334 df-4 12335 df-5 12336 df-6 12337 df-7 12338 df-8 12339 df-9 12340 df-n0 12531 df-z 12618 df-dec 12738 df-uz 12883 df-xadd 13159 df-icc 13397 df-fz 13551 df-fzo 13698 df-seq 14046 df-hash 14373 df-struct 17187 df-sets 17204 df-slot 17222 df-ndx 17234 df-base 17252 df-ress 17281 df-plusg 17317 df-mulr 17318 df-tset 17323 df-ple 17324 df-ds 17326 df-rest 17475 df-topn 17476 df-0g 17494 df-gsum 17495 df-topgen 17496 df-ordt 17554 df-xrs 17555 df-ps 18630 df-tsr 18631 df-mgm 18672 df-sgrp 18751 df-mnd 18767 df-submnd 18816 df-cntz 19354 df-cmn 19821 df-fbas 21385 df-fg 21386 df-top 22922 df-topon 22939 df-topsp 22961 df-bases 22975 df-ntr 23050 df-nei 23128 df-fil 23876 df-fm 23968 df-flim 23969 df-flf 23970 df-tsms 24157 df-esum 34022 |
This theorem is referenced by: esumrnmpt2 34062 |
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