Basic Methods: We define mappings (or functions) between sets and consider various examples. These include binary operations, projections, and quotient maps. We show how to construct the rational numbers from the integers and explain why division by zero is a forbidden operation.
Tagged under: Mathematics,foundations,fundamentals,function,mapping,Cartesian,product,vertical,line,test,identity,binary,operation,rational,number,quotient,map,equivalence,relation,class,remainder,modulo,modular,integer
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