Theorem fvresd 5532

Description: The value of a restricted function, deduction version of fvres 5531. (Contributed by Glauco Siliprandi, 8-Apr-2021.)

Hypothesis

Ref	Expression
fvresd.1	|- ( ph -> A e. B )

Assertion

Ref	Expression
fvresd	|- ( ph -> ( ( F |` B ) ` A ) = ( F ` A ) )

Proof of Theorem fvresd

Step	Hyp	Ref	Expression
1		fvresd.1	. 2 |- ( ph -> A e. B )
2		fvres 5531	. 2 |- ( A e. B -> ( ( F |` B ) ` A ) = ( F ` A ) )
3	1, 2	syl 14	1 |- ( ph -> ( ( F |` B ) ` A ) = ( F ` A ) )

Syntax hints:   -> wi 4   = wceq 1353   e. wcel 2146   |` cres 4622   ` cfv 5208

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 709  ax-5 1445  ax-7 1446  ax-gen 1447  ax-ie1 1491  ax-ie2 1492  ax-8 1502  ax-10 1503  ax-11 1504  ax-i12 1505  ax-bndl 1507  ax-4 1508  ax-17 1524  ax-i9 1528  ax-ial 1532  ax-i5r 1533  ax-14 2149  ax-ext 2157  ax-sep 4116  ax-pow 4169  ax-pr 4203

This theorem depends on definitions:  df-bi 117  df-3an 980  df-tru 1356  df-nf 1459  df-sb 1761  df-clab 2162  df-cleq 2168  df-clel 2171  df-nfc 2306  df-ral 2458  df-rex 2459  df-v 2737  df-un 3131  df-in 3133  df-ss 3140  df-pw 3574  df-sn 3595  df-pr 3596  df-op 3598  df-uni 3806  df-br 3999  df-opab 4060  df-xp 4626  df-res 4632  df-iota 5170  df-fv 5216

This theorem is referenced by:  difinfsn  7089  upxp  13352  uptx  13354  reeflog  13864  relogef  13865  trilpolemlt1  14359