# courses/C959_discrete_math_I/chapter2/2.16.1.txt.txt

A _____ of a non-empty set A is a collection of non-empty subsets of A such that each element of A is in exactly one of the subsets.

A _____ of a non-empty set A is a collection of non-empty subsets of A such that each element of A is in exactly one of the subsets.