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Syntax Definition wf1o 5256
Description: Extend the definition of a wff to include one-to-one onto functions. (Read:  F maps  A one-to-one onto  B.) The notation ("1-1" above the arrow and "onto" below the arrow) is from Definition 6.15(6) of [TakeutiZaring] p. 27.
Hypotheses
Ref Expression
cA  class  A
cB  class  B
cF  class  F
Assertion
Ref Expression
wf1o  wff  F : A
-1-1-onto-> B

See definition df-f1o 5264 for more information.

Colors of variables: wff set class
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