MPE Home Metamath Proof Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >  wf Structured version   Visualization version   GIF version
Syntax Definition wf 6433
Description: Extend the definition of a wff to include the function predicate with domain and codomain. (Read: 𝐹 maps 𝐴 into 𝐵.)
Hypotheses
Ref Expression
cA class 𝐴
cB class 𝐵
cF class 𝐹
Assertion
Ref Expression
wf wff 𝐹:𝐴⟶𝐵
See definition df-f 6441 for more information.
Colors of variables: wff setvar class
  Copyright terms: Public domain W3C validator