| Mathematicians divide infinite sets into two categories, countable and uncountable sets. |
| A full hierarchical perspective suggests a continuum of variation rather than a countable number of objects. |
| The optimum fibre density should give an average of about one or two countable fibre per fields of view at 5 000 magnification. |
| The world, Heidegger says, is not the mere collection of the countable or uncountable, familiar and unfamiliar things that are at hand. |
| As might be expected Cantor went on to find other kinds of infinities that were not countable by the rules he had established. |
| In order to cast a countable vote, a voter must read and follow a set of rudimentary instructions. |
