List of Mathematical Symbols
• R = real numbers, Z = integers, N=natural numbers, Q = rational numbers, P = irrational
numbers.
• ⊂= proper subset (not the whole thing) ⊆=subset
• ∃ = there exists
• ∀ = for every
• ∈= element of
S
•
= union (or)
T
•
= intersection (and)
• s.t.= such that
• =⇒ implies
• ⇐⇒ if and only if
P
•
= sum
• \ = set minus
• ∴= therefore
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