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Syntax Definition cfv 3182
Description: Extend the definition of a class to include the value of a function. (Read: The value of F at A, or "F of A".)
Hypotheses
Ref Expression
cA class A
cF class F
Assertion
Ref Expression
cfv class (F` A)
See definition df-fv 3198 for more information.
Colors of variables: wff set class
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