what is the fundamental difference between a relation and a function? is every relation a function
If A and B are non empty sets, then A*B(I mean A into B) is called cartesian product of the two sets A and B. Any subset of this cartesian product is known as a relation.
A function is a relation which satisfies some conditions as follows
A function is a relation in which every element in set A has ATLEAST and ATMOST one element in B (image of A) mapped with itself.
Every function is a relation but every relation is not a function.
Hello,
A relation is said to be set of inputs and outputs that are related in some way.When each input in a relation has exactly one output then the relation is a function.If a relation is a function then no input has more than one output.Every function is a relation but every relation is not a function.
Hope this helps you.
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