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Relations and Functions (Domain and Range (The set of the first…
Relations and Functions
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Domain restriction
Domain restriction: the pairs in the relation whose domains are members of some other set of interest.
Domain subtraction
Domain subtraction: the pairs in the relation whose domains are NOT members of some other set of interest.
Range restriction
Range restriction: the pairs in the relation whose second elements are members of some other set of interest.
Range Subtraction
Range subtraction: the pairs in the relation whose second elements are NOT members of some other set of interest.
