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2019-09-08T03:42:09Z

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Various Symbols that may not be easy to type using a keyboard, and/or symbols that are otherwise easy to forget but used commonly.

== Basic Mathematical Symbols ==
{| class="wikitable"
|-
! Symbol
! Name
! Link to Additional Info
|-
| ≤
| Less than or Equal
|
|-
| ≥
| Greater than or Equal
|
|-
| ≪
| Significantly Less than
|
|-
| ≫
| Significantly Greater than
|
|-
| ≠
| Not Equal
|
|-
| ≈
| Approximately Equal
|
|-
| ≡
| Equivalent
|
|-
| ±
| Plus/Minus
|
|-
| √
| Square Root
|
|-
| ∑
| Summation
|
|-
| ⌈ ⌉
| Ceiling
|
|-
| ⌊ ⌋
| Floor
|
|-
| ⌊ ⌉
| Nearest Integer
|
|}

== Advanced Mathematical Symbols ==
See also: Greek Letter table (below).
{| class="wikitable"
|-
! Symbol
! Name
! Link to Additional Info
|-
| ∞
| Infinity
|
|-
| ∘
| Function Composition
|
|-
| ∫
| Integral
|
|-
| ∮
| Closed Integral
|-
| ∂
| Partial Derivative
|
|-
| ∇
| Gradient
|
|-
| :=
| Mathematical Assignment
|
|}

== Greek Letters ==
Greek letters which are commonly used in various forms of Mathematics.
{| class="wikitable"
|-
! Symbol
! Alt Symbol
! Name
! Link to Additional Info
|-
| Α
| α
| Alpha
|
|-
| Β
| β
| Beta
|
|-
| Γ
| γ
| Gamma
|
|-
| Δ
| δ
| Delta
|
|-
| Ε
| ε
| Epsilon
|
|-
| Ζ
| ζ
| Zeta
|
|-
| Θ
| θ
| Theta
|
|-
| Ι
| ι
| Iota
|
|-
| Κ
| κ
| Kappa
|
|-
| Λ
| λ
| Lambda
|
|-
| Μ
| μ
| Mu
|
|-
| Ν
| ν
| Nu
|
|-
| Ξ
| ξ
| Xi
|
|-
| Ο
| ο
| Omicron
|
|-
| Π
| π
| Pi
|
|-
| Ρ
| ρ
| Rho
|
|-
| Σ
| σ
| Sigma
|
|-
| Τ
| τ
| Tau
|
|-
| Υ
| υ
| Upsilon
|
|-
| Φ
| φ
| Phi
|
|-
| Χ
| χ
| Chi
|
|-
| Ψ
| ψ
| Psi
|
|-
| Ω
| ω
| Omega
|
|}

== Discrete Math Logical Symbols ==
{| class="wikitable"
|-
! Symbol
! Name
! Link to Additional Info
|-
| →
| Material Implication
| [[Discrete Math - Propositional Logic]]
|-
| ←
| Converse Implication
|
|-
| ↔
| Material Equivalence
| [[Discrete Math - Propositional Logic]]
|-
| ¬
| Negation
| [[Discrete Math - Propositional Logic]]
|-
| ∧
| Logical Conjunction
| [[Discrete Math - Propositional Logic]]
|-
| ∨
| Logical (Inclusive) Disjunction
| [[Discrete Math - Propositional Logic]]
|-
| ⊕
| Logical (Exclusive) Disjunction
| [[Discrete Math - Propositional Logic]]
|-
| ⊤
| Tautology
| [[Discrete Math - Propositional Logic]]
|-
| ⊥
| Contradiction
| [[Discrete Math - Propositional Logic]]
|-
| ∅
| Empty Set
| [[Discrete Math - Sets]]
|-
| ∈
| Set Membership
| [[Discrete Math - Sets]]
|-
| ∉
| Set Membership Negation
| [[Discrete Math - Sets]]
|-
| ⊆
| Subset
| [[Discrete Math - Sets]]
|-
| ⊂
| Proper Subset
| [[Discrete Math - Sets]]
|-
| ⊇
| Superset
|
|-
| ⊃
| Proper Superset
|
|-
| ∀
| Universal Quantification
| [[Discrete Math - Sets]]
|-
| ∃
| Existential Quantification
| [[Discrete Math - Sets]]
|-
| ∃!
| Uniqueness Quantification
| [[Discrete Math - Sets]]
|-
| ∴
| Therefore
| [[Discrete Math - Sets]]
|-
| ∵
| Because
|
|-
| ∪
| Union
| [[Discrete Math - Sets]]
|-
| ∩
| Intersection
| [[Discrete Math - Sets]]
|-
| ⊖
| Symmetric Difference
| [[Discrete Math - Sets]]
|}

Useful Symbols - Revision history

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