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Theorem rabelpw 5301
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 4028 . 2 {𝑥𝐴𝜑} ⊆ 𝐴
2 elpw2g 5298 . 2 (𝐴𝑉 → ({𝑥𝐴𝜑} ∈ 𝒫 𝐴 ↔ {𝑥𝐴𝜑} ⊆ 𝐴))
31, 2mpbiri 261 1 (𝐴𝑉 → {𝑥𝐴𝜑} ∈ 𝒫 𝐴)
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wcel 2145  {crab 3412  wss 3899  𝒫 cpw 4557
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2732  ax-sep 5251
This proof depends on definitions:  df-bi 210  df-an 402  df-3an 1105  df-tru 1573  df-ex 1813  df-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-in 3906  df-ss 3916  df-pw 4559
This theorem is used by:  rabexg  5302  pwnss  5316  satfvsuclem2  35939
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