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Theorem eqsbc3 3307
 Description: Substitution applied to an atomic wff. Set theory version of eqsb3 2556. (Contributed by Andrew Salmon, 29-Jun-2011.)
Assertion
Ref Expression
eqsbc3
Distinct variable group:   ,
Allowed substitution hints:   ()   ()

Proof of Theorem eqsbc3
Dummy variable is distinct from all other variables.
StepHypRef Expression
1 dfsbcq 3269 . 2
2 eqeq1 2455 . 2
3 sbsbc 3271 . . 3
4 eqsb3 2556 . . 3
53, 4bitr3i 255 . 2
61, 2, 5vtoclbg 3108 1
 Colors of variables: wff setvar class Syntax hints:   wi 4   wb 188   wceq 1444  wsb 1797   wcel 1887  wsbc 3267 This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1669  ax-4 1682  ax-5 1758  ax-6 1805  ax-7 1851  ax-10 1915  ax-11 1920  ax-12 1933  ax-13 2091  ax-ext 2431 This theorem depends on definitions:  df-bi 189  df-or 372  df-an 373  df-tru 1447  df-ex 1664  df-nf 1668  df-sb 1798  df-clab 2438  df-cleq 2444  df-clel 2447  df-v 3047  df-sbc 3268 This theorem is referenced by:  sbceqal  3319  eqsbc3r  3324  fmptsnd  6086  fvmptnn04if  19873  snfil  20879  f1omptsnlem  31738  mptsnunlem  31740  topdifinffinlem  31750  relowlpssretop  31767  iotavalb  36781  onfrALTlem5  36908  eqsbc3rVD  37236  onfrALTlem5VD  37282
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