List of Mathematical Symbols

• R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrationalnumbers.

• ⊂= proper subset (not the whole thing) ⊆=subset

• ∃ = there exists

• ∀ = for every

• ∈= element of

•⋃

= union (or)

•⋂

= intersection (and)

• s.t.= such that

• =⇒ implies

• ⇐⇒ if and only if

•∑

= sum

• \ = set minus

• ∴= therefore

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