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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 15035 | . 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 6304 | . 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 2886 | 1 ⊢ Σ𝑘 ∈ 𝐴 𝐵 ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∧ wa 399 ∨ wo 844 = wceq 1538 ∃wex 1781 ∈ wcel 2111 ∃wrex 3107 Vcvv 3441 ⦋csb 3828 ⊆ wss 3881 ifcif 4425 class class class wbr 5030 ↦ cmpt 5110 ℩cio 6281 –1-1-onto→wf1o 6323 ‘cfv 6324 (class class class)co 7135 0cc0 10526 1c1 10527 + caddc 10529 ℕcn 11625 ℤcz 11969 ℤ≥cuz 12231 ...cfz 12885 seqcseq 13364 ⇝ cli 14833 Σcsu 15034 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1911 ax-6 1970 ax-7 2015 ax-8 2113 ax-9 2121 ax-10 2142 ax-11 2158 ax-12 2175 ax-ext 2770 ax-nul 5174 |
This theorem depends on definitions: df-bi 210 df-an 400 df-or 845 df-tru 1541 df-ex 1782 df-nf 1786 df-sb 2070 df-mo 2598 df-eu 2629 df-clab 2777 df-cleq 2791 df-clel 2870 df-ral 3111 df-rex 3112 df-v 3443 df-sbc 3721 df-dif 3884 df-un 3886 df-in 3888 df-ss 3898 df-nul 4244 df-sn 4526 df-pr 4528 df-uni 4801 df-iota 6283 df-sum 15035 |
This theorem is referenced by: fsumrlim 15158 fsumo1 15159 efval 15425 efcvgfsum 15431 eftlub 15454 bitsinv2 15782 bitsinv 15787 lebnumlem3 23568 isi1f 24278 itg1val 24287 itg1climres 24318 itgex 24374 itgfsum 24430 dvmptfsum 24578 plyeq0lem 24807 plyaddlem1 24810 plymullem1 24811 coeeulem 24821 coeid2 24836 plyco 24838 coemullem 24847 coemul 24849 aareccl 24922 aaliou3lem5 24943 aaliou3lem6 24944 aaliou3lem7 24945 taylpval 24962 psercn 25021 pserdvlem2 25023 pserdv 25024 abelthlem6 25031 abelthlem8 25034 abelthlem9 25035 logtayl 25251 leibpi 25528 basellem3 25668 chtval 25695 chpval 25707 sgmval 25727 muinv 25778 dchrvmasumlem1 26079 dchrisum0fval 26089 dchrisum0fno1 26095 dchrisum0lem3 26103 dchrisum0 26104 mulogsum 26116 logsqvma2 26127 selberglem1 26129 pntsval 26156 ecgrtg 26777 esumpcvgval 31447 esumcvg 31455 eulerpartlemsv1 31724 signsplypnf 31930 signsvvfval 31958 vtsval 32018 circlemeth 32021 fwddifnval 33737 knoppndvlem6 33969 binomcxplemnotnn0 41060 stoweidlem11 42653 stoweidlem26 42668 fourierdlem112 42860 fsumlesge0 43016 sge0sn 43018 sge0f1o 43021 sge0supre 43028 sge0resplit 43045 sge0reuz 43086 sge0reuzb 43087 aacllem 45329 |
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