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?
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