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Is this an one-one function?
code-golf, math, set-theory, function
Two sets given as input, one is the domain of a function, and other one is the co-domain of a function. As an example
$$
\{1,2,3,4\}
$$
$$
\{5,6,7,8,9\}
$$
Now if the range set of the function, i.e. set of each element in the co-...