axiom of countability
noun Mathematics.
the property satisfied by a topological space in which the neighborhood system of each point has a base consisting of a countable number of neighborhoods (first axiom of countability) or the property satisfied by a topological space that has a base for its topology consisting of a countable number of subsets of the space (second axiom of countability).
Words nearby axiom of countability
axio-,
axiological ethics,
axiology,
axiom,
axiom of choice,
axiom of countability,
axiomatic,
axion,
axioplasm,
axioversion,
axipetal