Theorem pwid 4558

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

Step	Hyp	Ref	Expression
1		pwid.1	. 2 ⊢ 𝐴 ∈ V
2		pwidg 4556	. 2 ⊢ (𝐴 ∈ V → 𝐴 ∈ 𝒫 𝐴)
3	1, 2	ax-mp 5	1 ⊢ 𝐴 ∈ 𝒫 𝐴

Syntax hints:   ∈ wcel 2119  Vcvv 3432  𝒫 cpw 4536

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-ext 2712

This theorem depends on definitions:  df-bi 208  df-an 397  df-tru 1550  df-ex 1787  df-sb 2074  df-clab 2719  df-cleq 2732  df-clel 2815  df-ss 3907  df-pw 4538

This theorem is referenced by:  pwnex  7709  r1ordg  9700  rankr1id  9784  cfss  10185  0ram  16989  evl1fval1lem  22323  bastg  22956  fincmp  23383  restlly  23473  ptbasfi  23571  zfbas  23886  ustfilxp  24203  minveclem3b  25420  wilthlem3  27058  coinflipprob  34671  r1wf  35284  mapdunirnN  42149  pwtrrVD  45275  vsetrec  50200