Mathematics - 5 Probability - 5.6 Set Notation

A∪B

A∪B

A or B

A∩B

A and B

name for ∪

union

name for ∩

intersection

x∈A

x is an element of A

x∉A

x is not an element of A

Ø

empty set

A|B

A given that B

ε or U

universal set

A = {x:x is odd}

A is the set of numbers x such that x is odd

A’ or ¬A

not A

name for ‘ or ¬

complement