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Theorem sbceq2a 2768
Description: Equality theorem for class substitution. Class version of sbequ12r 1652. (Contributed by NM, 4-Jan-2017.)
Assertion
Ref Expression
sbceq2a  [.  ].

Proof of Theorem sbceq2a
StepHypRef Expression
1 sbceq1a 2767 . . 3 
[.  ].
21eqcoms 2040 . 2 
[.  ].
32bicomd 129 1  [.  ].
Colors of variables: wff set class
Syntax hints:   wi 4   wb 98   wceq 1242   [.wsbc 2758
This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1333  ax-gen 1335  ax-ie1 1379  ax-ie2 1380  ax-8 1392  ax-4 1397  ax-17 1416  ax-i9 1420  ax-ial 1424  ax-ext 2019
This theorem depends on definitions:  df-bi 110  df-sb 1643  df-clab 2024  df-cleq 2030  df-clel 2033  df-sbc 2759
This theorem is referenced by: (None)
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