pseudocircle

Noun

Meaning

pseudocircle (plural pseudocircles)

(mathematics) The finite topological space X consisting of four distinct points { a, b, c, d } with the non-Hausdorff topology




{

{
a
,
b
,
c
,
d
}
,
{
a
,
b
,
c
}
,
{
a
,
b
,
d
}
,
{
a
,
b
}
,
{
a
}
,
{
b
}
,
∅

}



{\displaystyle \left\{\{a,b,c,d\},\{a,b,c\},\{a,b,d\},\{a,b\},\{a\},\{b\},\emptyset \right\}}

.

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