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Theorem rabbia2 2788
Description: Equivalent wff's yield equal restricted class abstractions. (Contributed by Glauco Siliprandi, 26-Jun-2021.)
Hypothesis
Ref Expression
rabbia2.1  |-  ( ( x  e.  A  /\  ps )  <->  ( x  e.  B  /\  ch )
)
Assertion
Ref Expression
rabbia2  |-  { x  e.  A  |  ps }  =  { x  e.  B  |  ch }

Proof of Theorem rabbia2
StepHypRef Expression
1 rabbia2.1 . . . 4  |-  ( ( x  e.  A  /\  ps )  <->  ( x  e.  B  /\  ch )
)
21a1i 9 . . 3  |-  ( T. 
->  ( ( x  e.  A  /\  ps )  <->  ( x  e.  B  /\  ch ) ) )
32rabbidva2 2787 . 2  |-  ( T. 
->  { x  e.  A  |  ps }  =  {
x  e.  B  |  ch } )
43mptru 1407 1  |-  { x  e.  A  |  ps }  =  { x  e.  B  |  ch }
Colors of variables: wff set class
Syntax hints:    /\ wa 104    <-> wb 105    = wceq 1398   T. wtru 1399    e. wcel 2202   {crab 2515
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-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-11 1555  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1811  df-clab 2218  df-cleq 2224  df-rab 2520
This theorem is referenced by:  sspw1or2  7446  clwwlknon2x  16359
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