Denumerable vs. Countable

Denumerable vs. Countable — Is There a Difference?
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Difference Between Denumerable and Countable

Denumerableadjective

(mathematics) Capable of being assigned a bijection to the natural numbers. Applied to sets which are not finite, but have a one-to-one mapping to the natural numbers.

The empty set is not denumerable because it is finite; the rational numbers are, surprisingly, denumerable because every possible fraction can be assigned a natural number and vice versa.

Countableadjective

Capable of being counted; having a quantity.

Denumerableadjective

that can be counted;

countable sinsnumerable assets

Countableadjective

Finite or countably infinite; having a one-to-one correspondence (bijection) with a subset of the natural numbers.

Countableadjective

Countably infinite; having a bijection with the natural numbers.

Countableadjective

Freely usable with the indefinite article and with numbers, and therefore having a plural form.

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Countableadjective

that can be counted;

countable sinsnumerable assets