Theorem brres 5019

Description: Binary relation on a restriction. (Contributed by NM, 12-Dec-2006.)

Hypothesis

Ref	Expression
opelres.1	|- B e. _V

Assertion

Ref	Expression
brres	|- ( A ( C |` D ) B <-> ( A C B /\ A e. D ) )

Proof of Theorem brres

Step	Hyp	Ref	Expression
1		opelres.1	. . 3 |- B e. _V
2	1	opelres 5018	. 2 |- ( <. A , B >. e. ( C |` D ) <-> ( <. A , B >. e. C /\ A e. D ) )
3		df-br 4089	. 2 |- ( A ( C |` D ) B <-> <. A , B >. e. ( C |` D ) )
4		df-br 4089	. . 3 |- ( A C B <-> <. A , B >. e. C )
5	4	anbi1i 458	. 2 |- ( ( A C B /\ A e. D ) <-> ( <. A , B >. e. C /\ A e. D ) )
6	2, 3, 5	3bitr4i 212	1 |- ( A ( C |` D ) B <-> ( A C B /\ A e. D ) )

Syntax hints:   /\ wa 104   <-> wb 105   e. wcel 2202   _Vcvv 2802   <.cop 3672   class class class wbr 4088   |` cres 4727

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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-ral 2515  df-rex 2516  df-v 2804  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-br 4089  df-opab 4151  df-xp 4731  df-res 4737

This theorem is referenced by:  dfres2  5065  dfima2  5078  poirr2  5129  cores  5240  resco  5241  rnco  5243  fnres  5449  fvres  5663  nfunsn  5676  1stconst  6385  2ndconst  6386