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Theorem elpw2 4143
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 4142 . 2 (𝐵 ∈ V → (𝐴 ∈ 𝒫 𝐵𝐴𝐵))
31, 2ax-mp 5 1 (𝐴 ∈ 𝒫 𝐵𝐴𝐵)
Colors of variables: wff set class
Syntax hints:  wb 104  wcel 2141  Vcvv 2730  wss 3121  𝒫 cpw 3566
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 704  ax-5 1440  ax-7 1441  ax-gen 1442  ax-ie1 1486  ax-ie2 1487  ax-8 1497  ax-10 1498  ax-11 1499  ax-i12 1500  ax-bndl 1502  ax-4 1503  ax-17 1519  ax-i9 1523  ax-ial 1527  ax-i5r 1528  ax-ext 2152  ax-sep 4107
This theorem depends on definitions:  df-bi 116  df-tru 1351  df-nf 1454  df-sb 1756  df-clab 2157  df-cleq 2163  df-clel 2166  df-nfc 2301  df-v 2732  df-in 3127  df-ss 3134  df-pw 3568
This theorem is referenced by:  elpwi2  4144  axpweq  4157  genpelxp  7473  ltexprlempr  7570  recexprlempr  7594  cauappcvgprlemcl  7615  cauappcvgprlemladd  7620  caucvgprlemcl  7638  caucvgprprlemcl  7666  uzf  9490  ixxf  9855  fzf  9969  cncfval  13353  reldvg  13442  dvfvalap  13444
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