Intuitionistic Logic Explorer |
< Previous
Next >
Nearby theorems |
||
Mirrors > Home > ILE Home > Th. List > wf1 | GIF version |
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. |
Ref | Expression |
---|---|
cA | class 𝐴 |
cB | class 𝐵 |
cF | class 𝐹 |
Ref | Expression |
---|---|
wf1 | wff 𝐹:𝐴–1-1→𝐵 |
Colors of variables: wff set class |
Copyright terms: Public domain | W3C validator |