No, because that's not true, see e.g. https://en.wikipedia.org/wiki/Dirichlet%27s_approximation_theorem https://en.wikipedia.org/wiki/Dirichlet%27s_approximatio

No, because that's not true, see e.g. https://en.wikipedia.org/wiki/Dirichlet%27s_approximation_theorem https://en.wikipedia.org/wiki/Dirichlet%27s_approximation_th... TL;DR: Every real number can be approximated by rationals. GP was being careless with language.