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Theorem bj-unex 16618
Description: unex 4544 from bounded separation. (Contributed by BJ, 13-Nov-2019.) (Proof modification is discouraged.)
Hypotheses
Ref Expression
bj-unex.1 𝐴 ∈ V
bj-unex.2 𝐵 ∈ V
Assertion
Ref Expression
bj-unex (𝐴𝐵) ∈ V

Proof of Theorem bj-unex
StepHypRef Expression
1 bj-unex.1 . . 3 𝐴 ∈ V
2 bj-unex.2 . . 3 𝐵 ∈ V
31, 2unipr 3912 . 2 {𝐴, 𝐵} = (𝐴𝐵)
4 bj-prexg 16610 . . . 4 ((𝐴 ∈ V ∧ 𝐵 ∈ V) → {𝐴, 𝐵} ∈ V)
51, 2, 4mp2an 426 . . 3 {𝐴, 𝐵} ∈ V
65bj-uniex 16616 . 2 {𝐴, 𝐵} ∈ V
73, 6eqeltrri 2305 1 (𝐴𝐵) ∈ V
Colors of variables: wff set class
Syntax hints:  wcel 2202  Vcvv 2803  cun 3199  {cpr 3674   cuni 3898
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-13 2204  ax-14 2205  ax-ext 2213  ax-pr 4305  ax-un 4536  ax-bd0 16512  ax-bdor 16515  ax-bdex 16518  ax-bdeq 16519  ax-bdel 16520  ax-bdsb 16521  ax-bdsep 16583
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-rex 2517  df-v 2805  df-un 3205  df-sn 3679  df-pr 3680  df-uni 3899  df-bdc 16540
This theorem is referenced by:  bdunexb  16619  bj-unexg  16620
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