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Theorem reldmress 16869
Description: The structure restriction is a proper operator, so it can be used with ovprc1 7294. (Contributed by Stefan O'Rear, 29-Nov-2014.)
Assertion
Ref Expression
reldmress Rel dom ↾s

Proof of Theorem reldmress
Dummy variables 𝑤 𝑎 are mutually distinct and distinct from all other variables.
StepHypRef Expression
1 df-ress 16868 . 2 s = (𝑤 ∈ V, 𝑎 ∈ V ↦ if((Base‘𝑤) ⊆ 𝑎, 𝑤, (𝑤 sSet ⟨(Base‘ndx), (𝑎 ∩ (Base‘𝑤))⟩)))
21reldmmpo 7386 1 Rel dom ↾s
Colors of variables: wff setvar class
Syntax hints:  Vcvv 3422  cin 3882  wss 3883  ifcif 4456  cop 4564  dom cdm 5580  Rel wrel 5585  cfv 6418  (class class class)co 7255   sSet csts 16792  ndxcnx 16822  Basecbs 16840  s cress 16867
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1799  ax-4 1813  ax-5 1914  ax-6 1972  ax-7 2012  ax-8 2110  ax-9 2118  ax-10 2139  ax-11 2156  ax-12 2173  ax-ext 2709  ax-sep 5218  ax-nul 5225  ax-pr 5347
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 844  df-3an 1087  df-tru 1542  df-fal 1552  df-ex 1784  df-nf 1788  df-sb 2069  df-mo 2540  df-eu 2569  df-clab 2716  df-cleq 2730  df-clel 2817  df-nfc 2888  df-rab 3072  df-v 3424  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4254  df-if 4457  df-sn 4559  df-pr 4561  df-op 4565  df-br 5071  df-opab 5133  df-xp 5586  df-rel 5587  df-dm 5590  df-oprab 7259  df-mpo 7260  df-ress 16868
This theorem is referenced by:  ressbas  16873  ressbasOLD  16874  ressbasss  16876  resseqnbas  16877  resslemOLD  16878  ress0  16879  ressinbas  16881  ressress  16884  wunress  16886  wunressOLD  16887  subcmn  19353  srasca  20362  rlmsca2  20384  resstopn  22245  cphsubrglem  24246  submomnd  31238  suborng  31416
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