Pseudocircle

English

Etymology

From Template:Prefix.

Pronunciation

• Template:Audio

Noun

1. Template:Lb The finite topological space X consisting of four distinct points { a, b, c, d } with the non-Hausdorff topology $\{\{a,b,c,d\},\{a,b,c\},\{a,b,d\},\{a,b\},\{a\},\{b\},\mathrm{\varnothing }\}$.