Notation and meaning for the number of elements in A, (n(A)), is an element of (∈), is not an element of (∉), complement of A, (A′), empty set (∅ or { }), universal set (U), is a subset of (⊆), is a proper subset of (⊂).
0607C9.2
Sets in descriptive form { x | } or as a list.
0607C9.3
Venn diagrams with at most two sets.
0607C9.4
Intersection and union of sets.
0607E9.1
Notation and meaning for the number of elements in A, (n(A)), is an element of (∈), is not an element of (∉), complement of A, (A′), empty set (∅ or { }), universal set (U), is a subset of (⊆), is a proper subset of (⊂).
