MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  f1ococnv2 Structured version   Visualization version   GIF version

Theorem f1ococnv2 6829
Description: The composition of a one-to-one onto function and its converse equals the identity relation restricted to the function's range. (Contributed by NM, 13-Dec-2003.) (Proof shortened by Stefan O'Rear, 12-Feb-2015.)
Assertion
Ref Expression
f1ococnv2 (𝐹:𝐴1-1-onto𝐵 → (𝐹𝐹) = ( I ↾ 𝐵))

Proof of Theorem f1ococnv2
StepHypRef Expression
1 f1ofo 6809 . 2 (𝐹:𝐴1-1-onto𝐵𝐹:𝐴onto𝐵)
2 fococnv2 6828 . 2 (𝐹:𝐴onto𝐵 → (𝐹𝐹) = ( I ↾ 𝐵))
31, 2syl 17 1 (𝐹:𝐴1-1-onto𝐵 → (𝐹𝐹) = ( I ↾ 𝐵))
Colors of variables: wff setvar class
Syntax hints:  wi 4   = wceq 1559   I cid 5537  ccnv 5642  cres 5645  ccom 5647  ontowfo 6514  1-1-ontowf1o 6515
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-ext 2733  ax-sep 5243  ax-pr 5387
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-sb 2090  df-clab 2740  df-cleq 2753  df-clel 2836  df-ral 3076  df-rex 3086  df-rab 3414  df-v 3455  df-dif 3905  df-un 3907  df-in 3909  df-ss 3919  df-nul 4284  df-if 4478  df-sn 4580  df-pr 4582  df-op 4586  df-br 5098  df-opab 5160  df-id 5538  df-xp 5649  df-rel 5650  df-cnv 5651  df-co 5652  df-dm 5653  df-rn 5654  df-res 5655  df-fun 6518  df-fn 6519  df-f 6520  df-f1 6521  df-fo 6522  df-f1o 6523
This theorem is referenced by:  f1ococnv1  6831  f1ocnvfv2  7256  mapen  9107  hashfacen  14461  setcinv  18114  catcisolem  18134  symginv  19433  f1omvdco2  19479  gsumval3  19938  gsumzf1o  19943  rngcinv  20674  ringcinv  20708  psrass1lem  21973  evl1var  22387  pf1ind  22406  fcobij  32883  cocnvf1o  32892  symgfcoeu  33223  cycpmconjvlem  33282  cycpmconjs  33297  cyc3conja  33298  mplvrpmrhm  33805  erdsze2lem2  35515  ltrncoidN  40713  cdlemg46  41320  cdlemk45  41532  cdlemk55a  41544  tendocnv  41606  eldioph2  43304  rngcinvALTV  48859  ringcinvALTV  48893
  Copyright terms: Public domain W3C validator