HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
Unicode version

Syntax Definition wf1 3175
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 3191 for more information.

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