1.5 Set language and notation

understand the definition of a set

use the set notation ∪, ∩, ∈ and ∉, with E for the universal set and ∅ for the empty set

understand the concept of the universal set and the empty set and the symbols for these sets

understand and use the complement of a set, using the notation A'

use Venn diagrams to represent sets

understand sets defined in algebraic terms, and understand and use subsets; if A is a subset of B, use A ⊂ B

use Venn diagrams to represent sets and the number of elements in sets

use the notation n(A) for the number of elements in the set A

use sets in practical situations