color the elements of 6 three-element subsets of a finite set X in two colors
Source: Czech And Slovak Mathematical Olympiad, Round III, Category A 1996 p3
February 20, 2020
Coloringcombinatorics
Problem Statement
Given six three-element subsets of a finite set , show that it is possible to color the elements of in two colors so that none of the given subsets is in one color