Function
Given two sets
and , a function takes an element of and maps to some element - importantly for every there is only 1 element it maps to. Formally such that for all . (We think of the set as .)
Function
Given two sets
and , a function takes an element of and maps to some element - importantly for every there is only 1 element it maps to. Formally such that for all . (We think of the set as .)