one to one function sentence in Hindi

Examples

1. I'm unnecessarily talking about a function, although every one to one function is also a one to one correspondence.
2. We know that numbers of the form a / b can be counted by find one to one mapping or one to one function defined on the natural numbers set as it ` s domain, a / b numbers set as it ` s range,
3. :: The same question may be asked about a " one to one function between A and B " : Does it mean that every " b " belonging to B is correspondent ( by the inverse correspondence ) to many elements, of which one single element only-is in A, or : does the phrase " one to one function between A and B " mean that every " b " belonging to B is correspondent ( by the inverse correspondence ) to one single element " a "-only, and that " a " is in A?
4. :: The same question may be asked about a " one to one function between A and B " : Does it mean that every " b " belonging to B is correspondent ( by the inverse correspondence ) to many elements, of which one single element only-is in A, or : does the phrase " one to one function between A and B " mean that every " b " belonging to B is correspondent ( by the inverse correspondence ) to one single element " a "-only, and that " a " is in A?