The story
Etymology from Wiktionary, CC BY-SA 4.0.
pseudocircle
Today it means: 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,∅. Full definition →
Today it means: 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,∅. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.