MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  wf1 Unicode version

Syntax Definition wf1 5268
Description: Extend the definition of a wff to include one-to-one functions. (Read:  F maps  A one-to-one into  B.) The notation ("1-1" above the arrow) is from Definition 6.15(5) of [TakeutiZaring] p. 27.
Hypotheses
Ref Expression
cA  class  A
cB  class  B
cF  class  F
Assertion
Ref Expression
wf1  wff  F : A -1-1-> B

See definition df-f1 5276 for more information.

Colors of variables: wff set class
  Copyright terms: Public domain W3C validator