# Library Essay Examples

library and S denote the set of students attending that college. Interpret the Cartesian product S x B. Give a sensible example of a binary relation from S to B. f:S×B⟼0,1. Suppose, (x,y) is a set of students and books respectively, so that xϵS and yϵB, then f(x,y) is a binary function since one student can only read a book at a time. Let A denote the set of names of streets in St. John’s, Newfoundland, and B denote the names of the residents of St. John’s. Interpret the Cartesian product A x B. Give a sensible example of a binary relation from A to B. f:S×B⟼{0,1}. Suppose, (a,b) is a set of streets and names respectively, so that aϵA and bϵB, then f(a,b) is a binary function since an...