pseudocircle

Meaning

Noun

• The finite topological space X consisting of four distinct points { a, b, c, d } with the non-Hausdorff topology $\backslash left\backslash \{\backslash \{a,b,c,d\backslash \},\backslash \{a,b,c\backslash \},\backslash \{a,b,d\backslash \},\backslash \{a,b\backslash \},\backslash \{a\backslash \},\backslash \{b\backslash \},\backslash emptyset\backslash right\backslash \}$.

Origin

• pseudo- + circle