Syntax Definition cres 4666

Description: Extend the definition of a class to include the restriction of a class. (Read: The restriction of 𝐴 to 𝐵.)

Hypotheses

Ref	Expression
cA	class 𝐴
cB	class 𝐵

Assertion

Ref	Expression
cres	class (𝐴 ↾ 𝐵)

See definition df-res 4676 for more information.