four-color theorem |
四色定理 [よんしょくていり] /(n) four-color theorem (colour) (theorem stating that any map can be colored such that no two adjacent segments have the same color, if only four colors are used)/ ------- 四色定理 [ししょくていり] /(n) four-color theorem (colour) (theorem stating that any map can be colored such that no two adjacent segments have the same color, if only four colors are used)/ |