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Syntax Definition wf 5884
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 5892 for more information.
Colors of variables: wff setvar class
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