discrete topology

(topology) A topology on a set consisting of all subsets of that set.

日本語の意味

離散位相: 任意の集合において、すべての部分集合を開集合と定義する位相

In the discrete topology, every function from the set to any topological space is continuous.

集合のすべての部分集合からなる位相では、その集合から任意の位相空間への任意の関数はすべて連続になります。

意味（1）

(topology) A topology on a set consisting of all subsets of that set.

In the discrete topology all sets are open (but they are also all closed).

discrete topologies

（ plural ）