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| Mirrors > Home > MPE Home > Th. List > pwidg | Structured version Visualization version GIF version | ||
| Description: A set is an element of its power set. (Contributed by Stefan O'Rear, 1-Feb-2015.) (Proof shortened by Umit Teoman Dogan, 10-Jun-2026.) |
| Ref | Expression |
|---|---|
| pwidg | ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elex 3476 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ V) | |
| 2 | ssidd 3961 | . 2 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ⊆ 𝐴) | |
| 3 | 1, 2 | elpwd 4569 | 1 ⊢ (𝐴 ∈ 𝑉 → 𝐴 ∈ 𝒫 𝐴) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ∈ wcel 2143 Vcvv 3455 𝒫 cpw 4563 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-ext 2735 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1573 df-ex 1810 df-sb 2097 df-clab 2742 df-cleq 2755 df-clel 2838 df-v 3457 df-ss 3923 df-pw 4565 |
| This theorem is referenced by: pwidb 4585 pwid 4586 axpweq 5323 knatar 7357 pwssfi 9162 brwdom2 9536 pwwf 9780 rankpwi 9796 canthp1lem2 10639 canthp1 10640 mremre 17657 submre 17658 baspartn 23092 fctop 23142 cctop 23144 ppttop 23145 epttop 23147 isopn3 23204 mretopd 23230 tsmsfbas 24266 exsslsb 33965 gsumesum 34427 esumcst 34431 pwsiga 34498 prsiga 34499 sigainb 34504 pwldsys 34525 ldgenpisyslem1 34531 carsggect 34686 ex-sategoelel 35891 neibastop1 36848 neibastop2lem 36849 topdifinfindis 37970 elrfi 43405 dssmapnvod 44726 ntrk0kbimka 44745 clsk3nimkb 44746 neik0pk1imk0 44753 ntrclscls00 44772 ntrneicls00 44795 dvnprodlem3 46642 caragenunidm 47202 |
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