countable

For each degree a, the set of degrees below a is at most countable.

This list has either a finite number of members, or at most is countable.

An F set is a countable union of closed sets.

The set of states Q need not be finite, or even countable.

This restricted set is countable and still forms a basis.

Only the indefinitely stable ones are a clearly countable set.

Forcing, for example, is often explained in terms of countable models.

In other words, the real numbers are not countable.

One may also consider the following elements in the countable direct product of "A"

Any complete theory with a finite model has no countable models.

However, there is only one possible order type of a countable nonstandard model.

An infinite set is considered countable if they can be listed without missing any.

They are countable by the thousand and the million; who have suffered cruel wrong.

In a state transition system the set of states is not necessarily finite, or even countable.

So all the c are distinct, and X contains a countable set.

So, the order type of the countable non-standard models is known.

It has been almost completely solved for the case of a countable theory T.

For 50 years they never made a single object that is countable as valuable."

She sat in her one-room house, the possessions inside countable on two hands.

This issue cannot arise if the graph is assumed to be countable.

For larger systems the bundles of energy were too numerous to be countable.

If you can count the things in a set, it is called a countable set.

The rational numbers are also countable, but it becomes tricky.

Note that the index set need not be countable.

We can imagine even larger ordinals that are still countable.