Disjoint Sets

🅟 Feb 17, 2026

  🅤 Feb 24, 2026

Set Theory > Sets

DEF-DJ. Disjoint Sets.

  • $X$ and $Y$ are disjoint, if $X\cap Y=\varnothing$.

  • The sets from $X$ are disjoint, if $\bigcap X=\varnothing$.

  • Not disjoint sets are called joint or overlapping.