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Theorem elpwid 3679
Description: An element of a power class is a subclass. Deduction form of elpwi 3677. (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 3677 . 2 (𝐴 ∈ 𝒫 𝐵𝐴𝐵)
31, 2syl 14 1 (𝜑𝐴𝐵)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2203  wss 3210  𝒫 cpw 3668
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 2214
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-v 2814  df-in 3216  df-ss 3223  df-pw 3670
This theorem is referenced by:  fopwdom  7088  ssenen  7104  fival  7256  fiuni  7264  3nelsucpw1  7543  elnp1st2nd  7790  ixxssxr  10232  elfzoelz  10480  restid2  13453  epttop  14947  neiss2  14999  blssm  15278  blin2  15289  cncfrss  15432  cncfrss2  15433  dvidsslem  15550  dvconstss  15555  plybss  15590  uhgrss  16062  upgrss  16086  upgr1een  16111  usgrss  16164  eupth2lemsfi  16465  pw1ndom3lem  16755  pwle2  16764
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