second axiom of countability
noun Mathematics.
See under axiom of countability.
Words nearby second axiom of countability
seconal,
second,
second advent,
second adventist,
second amendment,
second axiom of countability,
second balkan war,
second ballot,
second banana,
second base,
second baseman
Definition for second axiom of countability (2 of 2)
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).