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Theorem f1cocnv1 5667
Description: Composition of an injective function with its converse. (Contributed by FL, 11-Nov-2011.)
Assertion
Ref Expression
f1cocnv1  |-  ( F : A -1-1-> B  -> 
( `' F  o.  F )  =  (  _I  |`  A )
)

Proof of Theorem f1cocnv1
StepHypRef Expression
1 f1f1orn 5648 . 2  |-  ( F : A -1-1-> B  ->  F : A -1-1-onto-> ran  F )
2 f1ococnv1 5666 . 2  |-  ( F : A -1-1-onto-> ran  F  ->  ( `' F  o.  F
)  =  (  _I  |`  A ) )
31, 2syl 14 1  |-  ( F : A -1-1-> B  -> 
( `' F  o.  F )  =  (  _I  |`  A )
)
Colors of variables: wff set class
Syntax hints:    -> wi 4    = wceq 1402    _I cid 4431   `'ccnv 4771   ran crn 4773    |` cres 4774    o. ccom 4776   -1-1->wf1 5372   -1-1-onto->wf1o 5374
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 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-14 2212  ax-ext 2220  ax-sep 4247  ax-pow 4309  ax-pr 4344
This theorem depends on definitions:  df-bi 117  df-3an 1011  df-tru 1405  df-nf 1514  df-sb 1816  df-eu 2089  df-mo 2090  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rex 2534  df-v 2823  df-un 3224  df-in 3226  df-ss 3233  df-pw 3690  df-sn 3714  df-pr 3715  df-op 3717  df-br 4129  df-opab 4191  df-id 4436  df-xp 4778  df-rel 4779  df-cnv 4780  df-co 4781  df-dm 4782  df-rn 4783  df-res 4784  df-fun 5377  df-fn 5378  df-f 5379  df-f1 5380  df-fo 5381  df-f1o 5382
This theorem is referenced by:  f1eqcocnv  5990
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