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Mirrors > Home > MPE Home > Th. List > sumex | Structured version Visualization version GIF version |
Description: A sum is a set. (Contributed by NM, 11-Dec-2005.) (Revised by Mario Carneiro, 13-Jun-2019.) |
Ref | Expression |
---|---|
sumex | ⊢ Σ𝑘 ∈ 𝐴 𝐵 ∈ V |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | df-sum 15037 | . 2 ⊢ Σ𝑘 ∈ 𝐴 𝐵 = (℩𝑥(∃𝑚 ∈ ℤ (𝐴 ⊆ (ℤ≥‘𝑚) ∧ seq𝑚( + , (𝑛 ∈ ℤ ↦ if(𝑛 ∈ 𝐴, ⦋𝑛 / 𝑘⦌𝐵, 0))) ⇝ 𝑥) ∨ ∃𝑚 ∈ ℕ ∃𝑓(𝑓:(1...𝑚)–1-1-onto→𝐴 ∧ 𝑥 = (seq1( + , (𝑛 ∈ ℕ ↦ ⦋(𝑓‘𝑛) / 𝑘⦌𝐵))‘𝑚)))) | |
2 | iotaex 6329 | . 2 ⊢ (℩𝑥(∃𝑚 ∈ ℤ (𝐴 ⊆ (ℤ≥‘𝑚) ∧ seq𝑚( + , (𝑛 ∈ ℤ ↦ if(𝑛 ∈ 𝐴, ⦋𝑛 / 𝑘⦌𝐵, 0))) ⇝ 𝑥) ∨ ∃𝑚 ∈ ℕ ∃𝑓(𝑓:(1...𝑚)–1-1-onto→𝐴 ∧ 𝑥 = (seq1( + , (𝑛 ∈ ℕ ↦ ⦋(𝑓‘𝑛) / 𝑘⦌𝐵))‘𝑚)))) ∈ V | |
3 | 1, 2 | eqeltri 2909 | 1 ⊢ Σ𝑘 ∈ 𝐴 𝐵 ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 398 ∨ wo 843 = wceq 1533 ∃wex 1776 ∈ wcel 2110 ∃wrex 3139 Vcvv 3494 ⦋csb 3882 ⊆ wss 3935 ifcif 4466 class class class wbr 5058 ↦ cmpt 5138 ℩cio 6306 –1-1-onto→wf1o 6348 ‘cfv 6349 (class class class)co 7150 0cc0 10531 1c1 10532 + caddc 10534 ℕcn 11632 ℤcz 11975 ℤ≥cuz 12237 ...cfz 12886 seqcseq 13363 ⇝ cli 14835 Σcsu 15036 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1792 ax-4 1806 ax-5 1907 ax-6 1966 ax-7 2011 ax-8 2112 ax-9 2120 ax-10 2141 ax-11 2157 ax-12 2173 ax-ext 2793 ax-nul 5202 |
This theorem depends on definitions: df-bi 209 df-an 399 df-or 844 df-tru 1536 df-ex 1777 df-nf 1781 df-sb 2066 df-mo 2618 df-eu 2650 df-clab 2800 df-cleq 2814 df-clel 2893 df-nfc 2963 df-ral 3143 df-rex 3144 df-v 3496 df-sbc 3772 df-dif 3938 df-un 3940 df-in 3942 df-ss 3951 df-nul 4291 df-sn 4561 df-pr 4563 df-uni 4832 df-iota 6308 df-sum 15037 |
This theorem is referenced by: fsumrlim 15160 fsumo1 15161 efval 15427 efcvgfsum 15433 eftlub 15456 bitsinv2 15786 bitsinv 15791 lebnumlem3 23561 isi1f 24269 itg1val 24278 itg1climres 24309 itgex 24365 itgfsum 24421 dvmptfsum 24566 plyeq0lem 24794 plyaddlem1 24797 plymullem1 24798 coeeulem 24808 coeid2 24823 plyco 24825 coemullem 24834 coemul 24836 aareccl 24909 aaliou3lem5 24930 aaliou3lem6 24931 aaliou3lem7 24932 taylpval 24949 psercn 25008 pserdvlem2 25010 pserdv 25011 abelthlem6 25018 abelthlem8 25021 abelthlem9 25022 logtayl 25237 leibpi 25514 basellem3 25654 chtval 25681 chpval 25693 sgmval 25713 muinv 25764 dchrvmasumlem1 26065 dchrisum0fval 26075 dchrisum0fno1 26081 dchrisum0lem3 26089 dchrisum0 26090 mulogsum 26102 logsqvma2 26113 selberglem1 26115 pntsval 26142 ecgrtg 26763 esumpcvgval 31332 esumcvg 31340 eulerpartlemsv1 31609 signsplypnf 31815 signsvvfval 31843 vtsval 31903 circlemeth 31906 fwddifnval 33619 knoppndvlem6 33851 binomcxplemnotnn0 40681 stoweidlem11 42290 stoweidlem26 42305 fourierdlem112 42497 fsumlesge0 42653 sge0sn 42655 sge0f1o 42658 sge0supre 42665 sge0resplit 42682 sge0reuz 42723 sge0reuzb 42724 aacllem 44896 |
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