Robert P. Munafo, 2009 May 10.
Two integers are relatively prime if they have no prime factors in common. The numerator and denominator of a reduced fraction are relatively prime. Such fractions appear in the internal angles of mu-atoms.
From the Mandelbrot Set Glossary and Encyclopedia, by Robert Munafo, (c) 1987-2017. Mu-ency index
This page was written in the "embarrassingly readable" markup language RHTF, and was last updated on 2017 Feb 02. s.11