- Functions \subseteq Relations
- A relation from non-empty set A to non-empty set B is said to be function, if
every element of set A has only one image in set B. In other words,
Domain = A and no distinct ordered pairs have same first element.
DIFFERENT MAPPINGS OF FUNCTIONS
- One-One / Injective Mapping / Monomorphism
A function is said to be one-one if...