Math Mania on Instagram: "Defining Sets & Elements (what’s inside and out!) Cardinality (how many are there in a set?) Union (A \cup B): Combining collections Intersection (A \cap B): Finding common ground between sets Set Difference (A \setminus B): What’s left when you take some elements away Complement (A^c): Everything else in the universal set! #trendingreels #mathematics #settheory #stemeducation #mathvisuals #studygram #visuallearning #maths #logic #educationalreels #science #mathstudent