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Theorem elpw2 4191
Description: Membership in a power class. Theorem 86 of [Suppes] p. 47. (Contributed by NM, 11-Oct-2007.)
Hypothesis
Ref Expression
elpw2.1 𝐵 ∈ V
Assertion
Ref Expression
elpw2 (𝐴 ∈ 𝒫 𝐵𝐴𝐵)

Proof of Theorem elpw2
StepHypRef Expression
1 elpw2.1 . 2 𝐵 ∈ V
2 elpw2g 4190 . 2 (𝐵 ∈ V → (𝐴 ∈ 𝒫 𝐵𝐴𝐵))
31, 2ax-mp 5 1 (𝐴 ∈ 𝒫 𝐵𝐴𝐵)
Colors of variables: wff set class
Syntax hints:  wb 105  wcel 2167  Vcvv 2763  wss 3157  𝒫 cpw 3606
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 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-ext 2178  ax-sep 4152
This theorem depends on definitions:  df-bi 117  df-tru 1367  df-nf 1475  df-sb 1777  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-v 2765  df-in 3163  df-ss 3170  df-pw 3608
This theorem is referenced by:  elpwi2  4192  axpweq  4205  genpelxp  7595  ltexprlempr  7692  recexprlempr  7716  cauappcvgprlemcl  7737  cauappcvgprlemladd  7742  caucvgprlemcl  7760  caucvgprprlemcl  7788  uzf  9621  ixxf  9990  fzf  10104  cncfval  14892  reldvg  14999  dvfvalap  15001  plyval  15052
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