Introduction to One-One, Many-One

    • 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...