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Theorem f1rel 5407
Description: A one-to-one onto mapping is a relation. (Contributed by NM, 8-Mar-2014.)
Assertion
Ref Expression
f1rel (𝐹:𝐴1-1𝐵 → Rel 𝐹)

Proof of Theorem f1rel
StepHypRef Expression
1 f1fn 5405 . 2 (𝐹:𝐴1-1𝐵𝐹 Fn 𝐴)
2 fnrel 5296 . 2 (𝐹 Fn 𝐴 → Rel 𝐹)
31, 2syl 14 1 (𝐹:𝐴1-1𝐵 → Rel 𝐹)
Colors of variables: wff set class
Syntax hints:  wi 4  Rel wrel 4616   Fn wfn 5193  1-1wf1 5195
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 105
This theorem depends on definitions:  df-bi 116  df-fun 5200  df-fn 5201  df-f 5202  df-f1 5203
This theorem is referenced by:  f1dmvrnfibi  6921
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