Search 7,000+ topics

Partitions / Disjoint Unions (⊔)

Read this topic

Explanations 1

A partition of a set AAA is a set S={S1,S2,...,Sn}S = \{S_1, S_2, ..., S_n\}S={S1,S2,...,Sn} such that Si⊆AS_i \subseteq ASi⊆A and Si≠∅S_i \neq \emptysetSi=∅ for i=1,2,...…
By Benjamin Qi