Theorem reldmress 12766

Description: The structure restriction is a proper operator, so it can be used with ovprc1 5962. (Contributed by Stefan O'Rear, 29-Nov-2014.)

Assertion

Ref	Expression
reldmress	|- Rel dom ↾s

Proof of Theorem reldmress

Dummy variables x y are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-iress 12711	. 2 |- ↾s = ( y e. _V , x e. _V |-> ( y sSet <. ( Base ` ndx ) , ( x i^i ( Base ` y ) ) >. ) )
2	1	reldmmpo 6038	1 |- Rel dom ↾s

Syntax hints:   _Vcvv 2763   i^i cin 3156   <.cop 3626   dom cdm 4664   Rel wrel 4669   ` cfv 5259  (class class class)co 5925   ndxcnx 12700   sSet csts 12701   Basecbs 12703   ↾_s cress 12704

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 710  ax-5 1461  ax-7 1462  ax-gen 1463  ax-ie1 1507  ax-ie2 1508  ax-8 1518  ax-10 1519  ax-11 1520  ax-i12 1521  ax-bndl 1523  ax-4 1524  ax-17 1540  ax-i9 1544  ax-ial 1548  ax-i5r 1549  ax-14 2170  ax-ext 2178  ax-sep 4152  ax-pow 4208  ax-pr 4243

This theorem depends on definitions:  df-bi 117  df-3an 982  df-tru 1367  df-nf 1475  df-sb 1777  df-eu 2048  df-mo 2049  df-clab 2183  df-cleq 2189  df-clel 2192  df-nfc 2328  df-ral 2480  df-rex 2481  df-v 2765  df-un 3161  df-in 3163  df-ss 3170  df-pw 3608  df-sn 3629  df-pr 3630  df-op 3632  df-br 4035  df-opab 4096  df-xp 4670  df-rel 4671  df-dm 4674  df-oprab 5929  df-mpo 5930  df-iress 12711

This theorem is referenced by: (None)