Theorem pwidg 3395

Description: Membership of the original in a power set. (Contributed by Stefan O'Rear, 1-Feb-2015.)

Assertion

Ref	Expression
pwidg	|- ( A e. V -> A e. ~P A )

Proof of Theorem pwidg

Step	Hyp	Ref	Expression
1		ssid 3018	. 2 |- A C_ A
2		elpwg 3390	. 2 |- ( A e. V -> ( A e. ~P A <-> A C_ A ) )
3	1, 2	mpbiri 166	1 |- ( A e. V -> A e. ~P A )

Syntax hints:   -> wi 4   e. wcel 1433   C_ wss 2973   ~Pcpw 3382

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-io 662  ax-5 1376  ax-7 1377  ax-gen 1378  ax-ie1 1422  ax-ie2 1423  ax-8 1435  ax-10 1436  ax-11 1437  ax-i12 1438  ax-bndl 1439  ax-4 1440  ax-17 1459  ax-i9 1463  ax-ial 1467  ax-i5r 1468  ax-ext 2063

This theorem depends on definitions:  df-bi 115  df-tru 1287  df-nf 1390  df-sb 1686  df-clab 2068  df-cleq 2074  df-clel 2077  df-nfc 2208  df-v 2603  df-in 2979  df-ss 2986  df-pw 3384

This theorem is referenced by:  pwid  3396  axpweq  3945