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Theorem bj-bdsucel 13080
Description: Boundedness of the formula "the successor of the setvar  x belongs to the setvar  y". (Contributed by BJ, 30-Nov-2019.)
Assertion
Ref Expression
bj-bdsucel  |- BOUNDED  suc  x  e.  y

Proof of Theorem bj-bdsucel
Dummy variable  z is distinct from all other variables.
StepHypRef Expression
1 bdeqsuc 13079 . 2  |- BOUNDED  z  =  suc  x
21bj-bdcel 13035 1  |- BOUNDED  suc  x  e.  y
Colors of variables: wff set class
Syntax hints:    e. wcel 1480   suc csuc 4287  BOUNDED wbd 13010
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105  ax-ia2 106  ax-ia3 107  ax-io 698  ax-5 1423  ax-7 1424  ax-gen 1425  ax-ie1 1469  ax-ie2 1470  ax-8 1482  ax-10 1483  ax-11 1484  ax-i12 1485  ax-bndl 1486  ax-4 1487  ax-17 1506  ax-i9 1510  ax-ial 1514  ax-i5r 1515  ax-ext 2121  ax-bd0 13011  ax-bdan 13013  ax-bdor 13014  ax-bdal 13016  ax-bdex 13017  ax-bdeq 13018  ax-bdel 13019  ax-bdsb 13020
This theorem depends on definitions:  df-bi 116  df-tru 1334  df-nf 1437  df-sb 1736  df-clab 2126  df-cleq 2132  df-clel 2135  df-nfc 2270  df-ral 2421  df-rex 2422  df-v 2688  df-un 3075  df-in 3077  df-ss 3084  df-sn 3533  df-suc 4293  df-bdc 13039
This theorem is referenced by:  bj-bdind  13128
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