Property information
x is the opposite of y if there exists some distance metric M, and there exists no z such as M(x,z) <= M(x,y) or M(y,z) <= M(y,x).
x is the opposite of y if there exists some distance metric M, and there exists no z such as M(x,z) <= M(x,y) or M(y,z) <= M(y,x).