[quote=@Etcetera] <Snipped quote by whizzball1> It was heavily implied. Regardless, they do not truly "represent something," (which is the equivalent to "real world counterpart). Perfect third, a circle's radius circumference by its diameter, etc. <Snipped quote by Galaxy Raider> I'm good. [/quote] >"represent something" >imaginary mass If an irrational length is a real world counterpart, then so is an imaginary mass.