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How many properties of relations are there?
10. How many properties of relations are there?
- 4
- 5
- 6
- 7
Answer: C) 6
Explanation:
There are 6 properties of relations.
- = is reflexive (2=2)
- = is symmetric (x=2 implies 2=x)
- < is transitive (2<3 and 3<5 implies 2<5)
- < is irreflexive (2<3 implies 2≠3)
- ≤ is antisymmetric (x≤y and y≤x implies x=y)