2

Part of 2007 Miklós Schweitzer

Problems(1)

Miklós Schweizer 2007 Problem 2

Source:

We partition the

n

-element subsets of an

n^2+n-1

-element set into two classes. Prove that one of the classes contains

n

-many pairwise disjunct sets.
(translated by Miklós Maróti)

Miklos Schweitzerset theory