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Theorem reldmsets 12360
Description: The structure override operator is a proper operator. (Contributed by Stefan O'Rear, 29-Jan-2015.)
Assertion
Ref Expression
reldmsets  |-  Rel  dom sSet

Proof of Theorem reldmsets
Dummy variables  e  s are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-sets 12338 . 2  |- sSet  =  ( s  e.  _V , 
e  e.  _V  |->  ( ( s  |`  ( _V  \  dom  { e } ) )  u. 
{ e } ) )
21reldmmpo 5944 1  |-  Rel  dom sSet
Colors of variables: wff set class
Syntax hints:   _Vcvv 2721    \ cdif 3108    u. cun 3109   {csn 3570   dom cdm 4598    |` cres 4600   Rel wrel 4603   sSet csts 12329
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 699  ax-5 1434  ax-7 1435  ax-gen 1436  ax-ie1 1480  ax-ie2 1481  ax-8 1491  ax-10 1492  ax-11 1493  ax-i12 1494  ax-bndl 1496  ax-4 1497  ax-17 1513  ax-i9 1517  ax-ial 1521  ax-i5r 1522  ax-14 2138  ax-ext 2146  ax-sep 4094  ax-pow 4147  ax-pr 4181
This theorem depends on definitions:  df-bi 116  df-3an 969  df-tru 1345  df-nf 1448  df-sb 1750  df-eu 2016  df-mo 2017  df-clab 2151  df-cleq 2157  df-clel 2160  df-nfc 2295  df-ral 2447  df-rex 2448  df-v 2723  df-un 3115  df-in 3117  df-ss 3124  df-pw 3555  df-sn 3576  df-pr 3577  df-op 3579  df-br 3977  df-opab 4038  df-xp 4604  df-rel 4605  df-dm 4608  df-oprab 5840  df-mpo 5841  df-sets 12338
This theorem is referenced by: (None)
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