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A reflective relation is one where the relation holding between A and B implies that the relation also holds between B and A
'sibling' is a reflective relation. A is B's sibling implies that B is A's sibling.
In contrast, 'sister' is not reflective, A is B's sister does not imply that B is A's sister (for B might be male).
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What is the reflective property?
That means that in the relation considered, any object relates to itself: For any "x", relation(x, x) is true. For example, this is a property of equality (any number is equal to itself), of congruence (any object is congruent to itself), and to relationships such as greater-than-or-equal (any number is greater than or equal to itself) and the non-strict subset relation (any set is a subset of itself).
What is an example of a number relation problem with a solution?
examples of number relation problems
Give an example to a relation which is reflexive symmetric but not transitive?
A=r mod z R= a relation which is reflexive symmetric but not transitive
What is the definition of inequality?
An inequality is simply a relation between two mathematical expressions that is not strictly equal. For example, the relation can be "greater than" (>), less than (
Does a rectangle have a reflective line of symmetry?
Yes - it has two lines of reflective symmetry.
