HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
Unicode version

Theorem funcnvres2 3576
Description: The converse of a restriction of the converse of a function equals the function restricted to the image of its converse.
Assertion
Ref Expression
funcnvres2 |- (Fun F -> `'(`'F |` A) = (F |` (`'F"A)))

Proof of Theorem funcnvres2
StepHypRef Expression
1 funcnvcnv 3561 . . 3 |- (Fun F -> Fun `'`'F)
2 funcnvres 3574 . . 3 |- (Fun `'`'F -> `'(`'F |` A) = (`'`'F |` (`'F"A)))
31, 2syl 10 . 2 |- (Fun F -> `'(`'F |` A) = (`'`'F |` (`'F"A)))
4 funrel 3539 . . . 4 |- (Fun F -> Rel F)
5 dfrel2 3491 . . . 4 |- (Rel F <-> `'`'F = F)
64, 5sylib 198 . . 3 |- (Fun F -> `'`'F = F)
7 reseq1 3374 . . 3 |- (`'`'F = F -> (`'`'F |` (`'F"A)) = (F |` (`'F"A)))
86, 7syl 10 . 2 |- (Fun F -> (`'`'F |` (`'F"A)) = (F |` (`'F"A)))
93, 8eqtrd 1510 1 |- (Fun F -> `'(`'F |` A) = (F |` (`'F"A)))
Colors of variables: wff set class
Syntax hints:   -> wi 3   = wceq 958  `'ccnv 3175   |` cres 3178  "cima 3179  Rel wrel 3181  Fun wfun 3182
This theorem is referenced by:  funimacnv 3577  unbenlem 7505
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 964  ax-gen 965  ax-8 966  ax-10 968  ax-11 969  ax-12 970  ax-13 971  ax-14 972  ax-17 973  ax-4 975  ax-5o 977  ax-6o 980  ax-9o 1125  ax-10o 1142  ax-16 1212  ax-11o 1220  ax-ext 1462  ax-sep 2708  ax-pow 2748  ax-pr 2785
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-ex 983  df-sb 1174  df-eu 1384  df-mo 1385  df-clab 1467  df-cleq 1472  df-clel 1475  df-ne 1590  df-v 1815  df-dif 2052  df-un 2053  df-in 2054  df-ss 2056  df-nul 2284  df-pw 2406  df-sn 2416  df-pr 2417  df-op 2420  df-br 2625  df-opab 2672  df-id 2841  df-xp 3190  df-rel 3191  df-cnv 3192  df-co 3193  df-dm 3194  df-rn 3195  df-res 3196  df-ima 3197  df-fun 3198
Copyright terms: Public domain