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What is a binary relation in mathematics?
What is a binary relation in mathematics?
- A set of ordered pairs (x, y) consisting of elements x from X and y from Y (correct)
- A set of ordered pairs (y, x) consisting of elements x from Y and y from X
- A set of ordered pairs (y, x) consisting of elements x from X and y from Y
- A set of ordered pairs (x, y) consisting of elements x from Y and y from X
What does a binary relation encode?
What does a binary relation encode?
- The concept of function: an element x is related to an element y if and only if the pair (x, y) belongs to the set of ordered pairs that defines the binary relation
- The concept of codomain: an element x is related to an element y if and only if the pair (x, y) belongs to the set of ordered pairs that defines the binary relation
- The concept of domain: an element x is related to an element y if and only if the pair (x, y) belongs to the set of ordered pairs that defines the binary relation
- The concept of relation: an element x is related to an element y if and only if the pair (x, y) belongs to the set of ordered pairs that defines the binary relation (correct)
What is a binary relation a generalization of?
What is a binary relation a generalization of?
- Quaternary function
- Unary function (correct)
- Ternary function
- Binary function
What is the special case n = 2 of an n-ary relation over sets X1,., Xn?
What is the special case n = 2 of an n-ary relation over sets X1,., Xn?
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What is an example of a binary relation?
What is an example of a binary relation?
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