Let f A rightarrow B be a functiondefine a realation tild o

Let f : A rightarrow B, be, a, function.define, a, realation tild onA,as, follows, tild Describe,the, equivatlence, class, [a], more, explicitly.

Solution

The equivalence class of \'a\' is the set of yThe equivalence class of \'a\' is the set of y in A such that f(a)=f(y).

By definition, this is the inverse image of f(a).