ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  wfo GIF version

Syntax Definition wfo 4928
Description: Extend the definition of a wff to include onto functions. (Read: 𝐹 maps 𝐴 onto 𝐵.) The notation ("onto" below the arrow) is from Definition 6.15(4) of [TakeutiZaring] p. 27.
Hypotheses
Ref Expression
cA class 𝐴
cB class 𝐵
cF class 𝐹
Assertion
Ref Expression
wfo wff 𝐹:𝐴onto𝐵

See definition df-fo 4936 for more information.

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