 #1
Hirman
 5
 0
 Homework Statement:

Assume that f:A—>B and that R is an equivalence relation on B
Define Q to be the set {<x,y> ∈ A X A <f(x),f(y)> ∈ R}
 Relevant Equations:
 Define Q to be the set {<x,y> ∈ A X A <f(x),f(y)> ∈ R}
I can’t understand it.