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| Mirrors > Home > MPE Home > Th. List > Mathboxes > xrge0tsmseq | Structured version Visualization version GIF version | ||
| Description: Any limit of a finite or infinite sum in the nonnegative extended reals is the union of the sets limits, since this set is a singleton. (Contributed by Thierry Arnoux, 24-Mar-2017.) |
| Ref | Expression |
|---|---|
| xrge0tsmseq.g | ⊢ 𝐺 = (ℝ*𝑠 ↾s (0[,]+∞)) |
| xrge0tsmseq.a | ⊢ (𝜑 → 𝐴 ∈ 𝑉) |
| xrge0tsmseq.f | ⊢ (𝜑 → 𝐹:𝐴⟶(0[,]+∞)) |
| xrge0tsmseq.h | ⊢ (𝜑 → 𝐶 ∈ (𝐺 tsums 𝐹)) |
| Ref | Expression |
|---|---|
| xrge0tsmseq | ⊢ (𝜑 → 𝐶 = ∪ (𝐺 tsums 𝐹)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | xrge0tsmseq.h | . . . 4 ⊢ (𝜑 → 𝐶 ∈ (𝐺 tsums 𝐹)) | |
| 2 | xrge0tsmseq.a | . . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉) | |
| 3 | xrge0tsmseq.f | . . . . 5 ⊢ (𝜑 → 𝐹:𝐴⟶(0[,]+∞)) | |
| 4 | xrge0tsmseq.g | . . . . . 6 ⊢ 𝐺 = (ℝ*𝑠 ↾s (0[,]+∞)) | |
| 5 | 4 | xrge0tsms2 24958 | . . . . 5 ⊢ ((𝐴 ∈ 𝑉 ∧ 𝐹:𝐴⟶(0[,]+∞)) → (𝐺 tsums 𝐹) ≈ 1o) |
| 6 | 2, 3, 5 | syl2anc 595 | . . . 4 ⊢ (𝜑 → (𝐺 tsums 𝐹) ≈ 1o) |
| 7 | en1eqsn 9231 | . . . 4 ⊢ ((𝐶 ∈ (𝐺 tsums 𝐹) ∧ (𝐺 tsums 𝐹) ≈ 1o) → (𝐺 tsums 𝐹) = {𝐶}) | |
| 8 | 1, 6, 7 | syl2anc 595 | . . 3 ⊢ (𝜑 → (𝐺 tsums 𝐹) = {𝐶}) |
| 9 | 8 | unieqd 4886 | . 2 ⊢ (𝜑 → ∪ (𝐺 tsums 𝐹) = ∪ {𝐶}) |
| 10 | unisng 4891 | . . 3 ⊢ (𝐶 ∈ (𝐺 tsums 𝐹) → ∪ {𝐶} = 𝐶) | |
| 11 | 1, 10 | syl 18 | . 2 ⊢ (𝜑 → ∪ {𝐶} = 𝐶) |
| 12 | 9, 11 | eqtr2d 2805 | 1 ⊢ (𝜑 → 𝐶 = ∪ (𝐺 tsums 𝐹)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 = wceq 1567 ∈ wcel 2149 {csn 4591 ∪ cuni 4873 class class class wbr 5110 ⟶wf 6530 (class class class)co 7408 1oc1o 8442 ≈ cen 8936 0cc0 11096 +∞cpnf 11236 [,]cicc 13371 ↾s cress 17286 ℝ*𝑠cxrs 17550 tsums ctsu 24248 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-10 2182 ax-11 2198 ax-12 2219 ax-ext 2741 ax-rep 5239 ax-sep 5258 ax-nul 5268 ax-pow 5334 ax-pr 5402 ax-un 7730 ax-cnex 11152 ax-resscn 11153 ax-1cn 11154 ax-icn 11155 ax-addcl 11156 ax-addrcl 11157 ax-mulcl 11158 ax-mulrcl 11159 ax-mulcom 11160 ax-addass 11161 ax-mulass 11162 ax-distr 11163 ax-i2m1 11164 ax-1ne0 11165 ax-1rid 11166 ax-rnegex 11167 ax-rrecex 11168 ax-cnre 11169 ax-pre-lttri 11170 ax-pre-lttrn 11171 ax-pre-ltadd 11172 ax-pre-mulgt0 11173 ax-pre-sup 11174 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3or 1102 df-3an 1103 df-tru 1570 df-fal 1580 df-ex 1807 df-nf 1811 df-sb 2098 df-mo 2573 df-eu 2603 df-clab 2748 df-cleq 2761 df-clel 2844 df-nfc 2918 df-ne 2965 df-nel 3071 df-ral 3086 df-rex 3096 df-rmo 3376 df-reu 3377 df-rab 3424 df-v 3465 df-sbc 3754 df-csb 3862 df-dif 3916 df-un 3918 df-in 3920 df-ss 3930 df-pss 3933 df-nul 4295 df-if 4490 df-pw 4566 df-sn 4592 df-pr 4594 df-tp 4596 df-op 4598 df-uni 4874 df-int 4914 df-iun 4959 df-iin 4960 df-br 5111 df-opab 5175 df-mpt 5194 df-tr 5220 df-id 5554 df-eprel 5559 df-po 5567 df-so 5568 df-fr 5612 df-se 5613 df-we 5614 df-xp 5665 df-rel 5666 df-cnv 5667 df-co 5668 df-dm 5669 df-rn 5670 df-res 5671 df-ima 5672 df-pred 6300 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6490 df-fun 6536 df-fn 6537 df-f 6538 df-f1 6539 df-fo 6540 df-f1o 6541 df-fv 6542 df-isom 6543 df-riota 7365 df-ov 7411 df-oprab 7412 df-mpo 7413 df-of 7672 df-om 7859 df-1st 7982 df-2nd 7983 df-supp 8153 df-frecs 8274 df-wrecs 8305 df-recs 8354 df-rdg 8393 df-1o 8449 df-2o 8450 df-er 8690 df-map 8822 df-en 8940 df-dom 8941 df-sdom 8942 df-fin 8943 df-fsupp 9318 df-fi 9367 df-sup 9398 df-inf 9399 df-oi 9468 df-card 9921 df-pnf 11241 df-mnf 11242 df-xr 11243 df-ltxr 11244 df-le 11245 df-sub 11439 df-neg 11440 df-div 11868 df-nn 12230 df-2 12299 df-3 12300 df-4 12301 df-5 12302 df-6 12303 df-7 12304 df-8 12305 df-9 12306 df-n0 12501 df-z 12588 df-dec 12708 df-uz 12859 df-q 12969 df-xadd 13134 df-ioo 13372 df-ioc 13373 df-ico 13374 df-icc 13375 df-fz 13532 df-fzo 13679 df-seq 14034 df-hash 14363 df-struct 17203 df-sets 17220 df-slot 17238 df-ndx 17250 df-base 17266 df-ress 17287 df-plusg 17319 df-mulr 17320 df-tset 17325 df-ple 17326 df-ds 17328 df-rest 17471 df-topn 17472 df-0g 17490 df-gsum 17491 df-topgen 17492 df-ordt 17551 df-xrs 17552 df-mre 17634 df-mrc 17635 df-acs 17637 df-ps 18618 df-tsr 18619 df-mgm 18694 df-sgrp 18773 df-mnd 18789 df-submnd 18838 df-cntz 19383 df-cmn 19848 df-fbas 21484 df-fg 21485 df-top 23016 df-topon 23033 df-topsp 23055 df-bases 23068 df-ntr 23142 df-nei 23220 df-cn 23349 df-haus 23437 df-fil 23968 df-fm 24060 df-flim 24061 df-flf 24062 df-tsms 24249 |
| This theorem is referenced by: esumid 34375 |
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