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Theorem elpwid 3685
Description: An element of a power class is a subclass. Deduction form of elpwi 3683. (Contributed by David Moews, 1-May-2017.)
Hypothesis
Ref Expression
elpwid.1 (𝜑𝐴 ∈ 𝒫 𝐵)
Assertion
Ref Expression
elpwid (𝜑𝐴𝐵)

Proof of Theorem elpwid
StepHypRef Expression
1 elpwid.1 . 2 (𝜑𝐴 ∈ 𝒫 𝐵)
2 elpwi 3683 . 2 (𝐴 ∈ 𝒫 𝐵𝐴𝐵)
31, 2syl 14 1 (𝜑𝐴𝐵)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2205  wss 3214  𝒫 cpw 3674
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2216
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-v 2817  df-in 3220  df-ss 3227  df-pw 3676
This theorem is referenced by:  fopwdom  7102  ssenen  7118  fival  7270  fiuni  7278  3nelsucpw1  7557  elnp1st2nd  7807  ixxssxr  10255  elfzoelz  10506  ballotfilem2  13175  ballotfilemfmpn  13181  restid2  13548  epttop  15084  neiss2  15136  blssm  15415  blin2  15426  cncfrss  15569  cncfrss2  15570  dvidsslem  15687  dvconstss  15692  plybss  15727  uhgrss  16199  upgrss  16223  upgr1een  16248  usgrss  16301  eupth2lemsfi  16602  pw1ndom3lem  16902  pwle2  16911
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