Bulletin of the American Mathematical Society · 1944 · 19 citations · 0 references
Natural SciencesComputer ScienceMathematicsCombinatoricsDiscrete MathematicsGeometryDiscrete GeometryEuclidean GeometryLow-dimensional Geometry
has proved that the plane does not contain uncountably many mutually exclusive simple triods. 1 The generalization to spaces of higher dimension