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Syntax Definition cmpt 4063
Description: Extend the definition of a class to include "maps to" notation for defining a function via a rule.
Hypotheses
Ref Expression
vx set x
cA class A
cB class B
Assertion
Ref Expression
cmpt class (x e. A |-> B)

See definition df-mpt 4065 for more information.

Colors of variables: wff set class
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