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Theorem bj-sselpwuni 37033
Description: Quantitative version of ssexg 5329: a subset of an element of a class is an element of the powerclass of the union of that class. (Contributed by BJ, 6-Apr-2024.)
Assertion
Ref Expression
bj-sselpwuni ((𝐴𝐵𝐵𝑉) → 𝐴 ∈ 𝒫 𝑉)

Proof of Theorem bj-sselpwuni
StepHypRef Expression
1 ssexg 5329 . 2 ((𝐴𝐵𝐵𝑉) → 𝐴 ∈ V)
2 ssuni 4937 . 2 ((𝐴𝐵𝐵𝑉) → 𝐴 𝑉)
31, 2elpwd 4611 1 ((𝐴𝐵𝐵𝑉) → 𝐴 ∈ 𝒫 𝑉)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2106  Vcvv 3478  wss 3963  𝒫 cpw 4605   cuni 4912
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1792  ax-4 1806  ax-5 1908  ax-6 1965  ax-7 2005  ax-8 2108  ax-9 2116  ax-ext 2706  ax-sep 5302
This theorem depends on definitions:  df-bi 207  df-an 396  df-3an 1088  df-tru 1540  df-ex 1777  df-sb 2063  df-clab 2713  df-cleq 2727  df-clel 2814  df-rab 3434  df-v 3480  df-in 3970  df-ss 3980  df-pw 4607  df-uni 4913
This theorem is referenced by:  bj-unirel  37034
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