MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  rabelpw Structured version   Visualization version   GIF version

Theorem rabelpw 5283
Description: A restricted class abstraction is an element of the power set of its restricting set. (Contributed by AV, 9-Oct-2023.)
Assertion
Ref Expression
rabelpw (𝐴𝑉 → {𝑥𝐴𝜑} ∈ 𝒫 𝐴)
Distinct variable group:   𝑥,𝐴
Allowed substitution hints:   𝜑(𝑥)   𝑉(𝑥)

Proof of Theorem rabelpw
StepHypRef Expression
1 ssrab2 4034 . 2 {𝑥𝐴𝜑} ⊆ 𝐴
2 elpw2g 5280 . 2 (𝐴𝑉 → ({𝑥𝐴𝜑} ∈ 𝒫 𝐴 ↔ {𝑥𝐴𝜑} ⊆ 𝐴))
31, 2mpbiri 258 1 (𝐴𝑉 → {𝑥𝐴𝜑} ∈ 𝒫 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  {crab 3401  wss 3903  𝒫 cpw 4556
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5243
This theorem depends on definitions:  df-bi 207  df-an 396  df-3an 1089  df-tru 1545  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-rab 3402  df-v 3444  df-in 3910  df-ss 3920  df-pw 4558
This theorem is referenced by:  rabexg  5284  pwnss  5299  satfvsuclem2  35573
  Copyright terms: Public domain W3C validator