Sets: Definition of a Set, Representations, Conventions, Videos, Examples
Union of Sets - YouTube
Union vs. Intersection | Properties, Differences & Diagrams - Video & Lesson Transcript | Study.com
Set Notation - What Is Set Notation?, Definition, Symbols, Notation, Examples, FAQs
Year 1 college, math for liberal arts students - venn diagrams and set operations] I'm confused on what to do for everything from D down. I'm commenting below what I'm interpreting them
Set Theory (Basics, Definitions, Types of sets, Symbols & Examples)