MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  pwid Structured version   Visualization version   GIF version

Theorem pwid 4563
Description: A set is a member of its power class. Theorem 87 of [Suppes] p. 47. (Contributed by NM, 5-Aug-1993.)
Hypothesis
Ref Expression
pwid.1 𝐴 ∈ V
Assertion
Ref Expression
pwid 𝐴 ∈ 𝒫 𝐴

Proof of Theorem pwid
StepHypRef Expression
1 pwid.1 . 2 𝐴 ∈ V
2 pwidg 4561 . 2 (𝐴 ∈ V → 𝐴 ∈ 𝒫 𝐴)
31, 2ax-mp 5 1 𝐴 ∈ 𝒫 𝐴
Colors of variables: wff setvar class
Syntax hints:  wcel 2114  Vcvv 3494  𝒫 cpw 4539
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1970  ax-7 2015  ax-8 2116  ax-9 2124  ax-10 2145  ax-11 2161  ax-12 2177  ax-ext 2793
This theorem depends on definitions:  df-bi 209  df-an 399  df-or 844  df-tru 1540  df-ex 1781  df-nf 1785  df-sb 2070  df-clab 2800  df-cleq 2814  df-clel 2893  df-nfc 2963  df-in 3943  df-ss 3952  df-pw 4541
This theorem is referenced by:  pwnex  7481  r1ordg  9207  rankr1id  9291  cfss  9687  0ram  16356  evl1fval1lem  20493  bastg  21574  fincmp  22001  restlly  22091  ptbasfi  22189  zfbas  22504  ustfilxp  22821  minveclem3b  24031  wilthlem3  25647  coinflipprob  31737  mapdunirnN  38801  pwtrrVD  41179  vsetrec  44825
  Copyright terms: Public domain W3C validator