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Theorem f1rel 6104
Description: A one-to-one onto mapping is a relation. (Contributed by NM, 8-Mar-2014.)
Assertion
Ref Expression
f1rel  |-  ( F : A -1-1-> B  ->  Rel  F )

Proof of Theorem f1rel
StepHypRef Expression
1 f1fn 6102 . 2  |-  ( F : A -1-1-> B  ->  F  Fn  A )
2 fnrel 5989 . 2  |-  ( F  Fn  A  ->  Rel  F )
31, 2syl 17 1  |-  ( F : A -1-1-> B  ->  Rel  F )
Colors of variables: wff setvar class
Syntax hints:    -> wi 4   Rel wrel 5119    Fn wfn 5883   -1-1->wf1 5885
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8
This theorem depends on definitions:  df-bi 197  df-an 386  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893
This theorem is referenced by: (None)
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