Theorem pwid 3703

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 e. _V

Assertion

Ref	Expression
pwid	|- A e. ~P A

Proof of Theorem pwid

Step	Hyp	Ref	Expression
1		pwid.1	. 2 |- A e. _V
2		pwidg 3702	. 2 |- ( A e. _V -> A e. ~P A )
3	1, 2	ax-mp 5	1 |- A e. ~P A

Syntax hints:   e. wcel 2209   _Vcvv 2821   ~Pcpw 3685

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220

This theorem depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-v 2823  df-in 3226  df-ss 3233  df-pw 3687

This theorem is referenced by:  pwnex  4590  pw1fin  7207  bastg  15085  pw1nct  16947  pw1dceq  16948  exmidcon  16950