Theorem ofmresval 6230

Description: Value of a restriction of the function operation map. (Contributed by NM, 20-Oct-2014.)

Hypotheses

Ref	Expression
ofmresval.f	|- ( ph -> F e. A )
ofmresval.g	|- ( ph -> G e. B )

Assertion

Ref	Expression
ofmresval	|- ( ph -> ( F ( oF R |` ( A X. B ) ) G ) = ( F oF R G ) )

Proof of Theorem ofmresval

Step	Hyp	Ref	Expression
1		ofmresval.f	. 2 |- ( ph -> F e. A )
2		ofmresval.g	. 2 |- ( ph -> G e. B )
3		ovres 6145	. 2 |- ( ( F e. A /\ G e. B ) -> ( F ( oF R |` ( A X. B ) ) G ) = ( F oF R G ) )
4	1, 2, 3	syl2anc 411	1 |- ( ph -> ( F ( oF R |` ( A X. B ) ) G ) = ( F oF R G ) )

Syntax hints:   -> wi 4   = wceq 1395   e. wcel 2200   X. cxp 4717   |` cres 4721  (class class class)co 6001   oFcof 6216

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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-14 2203  ax-ext 2211  ax-sep 4202  ax-pow 4258  ax-pr 4293

This theorem depends on definitions:  df-bi 117  df-3an 1004  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-ral 2513  df-rex 2514  df-v 2801  df-un 3201  df-in 3203  df-ss 3210  df-pw 3651  df-sn 3672  df-pr 3673  df-op 3675  df-uni 3889  df-br 4084  df-opab 4146  df-xp 4725  df-res 4731  df-iota 5278  df-fv 5326  df-ov 6004

This theorem is referenced by:  psradd  14643