Connected set
= Connected set
A <subset> of a <topological space> is a connected set when its <subspace topology> is <connected>. Thus connectedness is tested using relatively <open sets>, not only subsets open in the ambient space.
= Connected set
A <subset> of a <topological space> is a connected set when its <subspace topology> is <connected>. Thus connectedness is tested using relatively <open sets>, not only subsets open in the ambient space.