13 terms

Number System in Set Notation

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Terms in this set (...)

Union - all the values in both sets connected by ∪
{ }
Set of values
|
Such that
element of
Not an element of
ℕ: natural
{p | p > 0 }
W: Whole
{p | p ∈ N ∪ p = 0}
ℤ: Integer
{p | p ∈ N ∪ p ∈ -N ∪ p = 0}
ℚ: Rational
{ p/q | p ∈ ℤ, q ∈ N}
ℚ' : Irrational
{ p | p ∉ ℚ}
NOTE: symbol is sometimes ℚ with a bar over it.
ℝ: Real
{p | p ∈ ℚ ∪ p ∈ ℚ'}
i: imaginary
{bi | b ∈ ℝ and i is the imaginary unit}
ℂ: complex
{a + bi | a ∈ ℝ, b ∈ ℝ, and i is the imaginary unit}