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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 14265 | . 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 5785 | . 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 2684 | 1 ⊢ Σ𝑘 ∈ 𝐴 𝐵 ∈ V |
Colors of variables: wff setvar class |
Syntax hints: ∨ wo 382 ∧ wa 383 = wceq 1475 ∃wex 1695 ∈ wcel 1977 ∃wrex 2897 Vcvv 3173 ⦋csb 3499 ⊆ wss 3540 ifcif 4036 class class class wbr 4583 ↦ cmpt 4643 ℩cio 5766 –1-1-onto→wf1o 5803 ‘cfv 5804 (class class class)co 6549 0cc0 9815 1c1 9816 + caddc 9818 ℕcn 10897 ℤcz 11254 ℤ≥cuz 11563 ...cfz 12197 seqcseq 12663 ⇝ cli 14063 Σcsu 14264 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1713 ax-4 1728 ax-5 1827 ax-6 1875 ax-7 1922 ax-10 2006 ax-11 2021 ax-12 2034 ax-13 2234 ax-ext 2590 ax-nul 4717 |
This theorem depends on definitions: df-bi 196 df-or 384 df-an 385 df-tru 1478 df-ex 1696 df-nf 1701 df-sb 1868 df-eu 2462 df-clab 2597 df-cleq 2603 df-clel 2606 df-nfc 2740 df-ral 2901 df-rex 2902 df-v 3175 df-sbc 3403 df-dif 3543 df-un 3545 df-in 3547 df-ss 3554 df-nul 3875 df-sn 4126 df-pr 4128 df-uni 4373 df-iota 5768 df-sum 14265 |
This theorem is referenced by: fsumrlim 14384 fsumo1 14385 efval 14649 efcvgfsum 14655 eftlub 14678 bitsinv2 15003 bitsinv 15008 lebnumlem3 22570 isi1f 23247 itg1val 23256 itg1climres 23287 itgex 23343 itgfsum 23399 dvmptfsum 23542 plyeq0lem 23770 plyaddlem1 23773 plymullem1 23774 coeeulem 23784 coeid2 23799 plyco 23801 coemullem 23810 coemul 23812 aareccl 23885 aaliou3lem5 23906 aaliou3lem6 23907 aaliou3lem7 23908 taylpval 23925 psercn 23984 pserdvlem2 23986 pserdv 23987 abelthlem6 23994 abelthlem8 23997 abelthlem9 23998 logtayl 24206 leibpi 24469 basellem3 24609 chtval 24636 chpval 24648 sgmval 24668 muinv 24719 dchrvmasumlem1 24984 dchrisum0fval 24994 dchrisum0fno1 25000 dchrisum0lem3 25008 dchrisum0 25009 mulogsum 25021 logsqvma2 25032 selberglem1 25034 pntsval 25061 ecgrtg 25663 esumpcvgval 29467 esumcvg 29475 eulerpartlemsv1 29745 signsplypnf 29953 signsvvfval 29981 fwddifnval 31440 knoppndvlem6 31678 binomcxplemnotnn0 37577 stoweidlem11 38904 stoweidlem26 38919 fourierdlem112 39111 fsumlesge0 39270 sge0sn 39272 sge0f1o 39275 sge0supre 39282 sge0resplit 39299 sge0reuz 39340 sge0reuzb 39341 aacllem 42356 |
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