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The '''trivial topology''' on a set X only makes the [[empty set]] and the entire set X an open subset of X. This is the topology on X with the smallest [[cardinality]].
The '''trivial topology''' (sometimes called the '''indiscrete topology''') on a set X only makes the [[empty set]] and the entire set X an open subset of X. This is the topology on X with the smallest [[cardinality]].
[[category: Topology]]
[[category: Topology]]