# Mathematical symbols Table

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Α | α | Alpha |

Β | β | Beta |

Γ | γ | Gamma |

Δ | δ | Delta |

Ε | ε | Epsilon |

Ζ | ζ | Zeta |

Η | η | Eta |

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 |

A ∩ B | intersection | |

A ∪ B | union | |

A ⊆ B | subset | |

A ⊂ B | proper subset / strict subset | |

A ⊄ B | not subset | |

A ⊇ B | superset | |

A ⊃ B | proper superset / strict superset | |

A ⊅ B | not superset | |

A \ B | relative complement | |

A ∆ B | symmetric difference | |

A ⊖ B | symmetric difference | |

a∈A | element of,belongs to | |

x∉A | not element of | |

(a,b) | ordered pair | |

A×B | cartesian product | |

|A| | cardinality | |

| | vertical bar | |

Ø | empty set | |

& | ampersand | |

+ | plus | |

∨ | reversed caret | |

| | vertical line | |

! | exclamation mark | |

⊕ | circled plus / oplus | |

~ | tilde | |

⇒ | implies | |

⇔ | equivalent | |

↔ | equivalent | |

∀ | for all | |

∃ | there exists | |

∄ | there does not exists | |

∴ | therefore | |

∵ | because / since | |

ε | epsilon | |

e | e constant / Euler’s number | |

y ‘ | derivative | |

y ” | second derivative | |

y(n) | nth derivative | |

∫ | integral | |

∫∫ | double integral | |

∫∫∫ | triple integral | |

∮ | closed contour / line integral | |

∯ | closed surface integral | |

∰ | closed volume integral | |

[a,b] | closed interval | |

(a,b) | open interval | |

| z | | absolute value/magnitude of a complex number | |

∇ | nabla / del | |

δ | delta function | |

∞ | lemniscate | |

n! | factorial | |

= | equals sign | |

≠ | not equal sign | |

≈ | approximately equal | |

> | strict inequality | |

< | strict inequality | |

≥ | inequality | |

≤ | inequality | |

( ) | parentheses | |

[ ] | brackets | |

+ | plus sign | |

− | minus sign | |

± | plus – minus | |

± | minus – plus | |

* | asterisk | |

× | times sign | |

⋅ | multiplication dot | |

÷ | division sign / obelus | |

√a | square root | |

‰ | per-mille | |

∠ | angle | |

° | degree | |

′ | prime | |

″ | double prime | |

⊥ | perpendicular | |

∥ | parallel | |

≅ | congruent to | |

~ | similarity | |

Δ | triangle | |

(f ∘ g) | function composition | |

x! | exclamation mark | |

≡ | equivalence | |

≜ | equal by definition | |

:= | equal by definition | |

~ | approximately equal | |

≈ | approximately equal | |

∝ | proportional to | |

≪ | much less than | |

≫ | much greater than | |

⨜ | Lower Integral | |

⨛ | Upper Integral | |

⨚ | Integral With Union | |

⨙ | Integral With Intersection | |

⨘ | Integral With Times Sign | |

⨗ | Integral With Leftwards Arrow With Hook | |

⨖ | Quaternion Integral Operator | |

⨕ | Integral Around A Point Operator | |

⨔ | Line Integration Not Including The Pole | |

⨓ | Line Integration With Semicircular Path Around Pole | |

⨒ | Line Integration With Rectangular Path Around Pole | |

⨑ | Anticlockwise Integration | |

⨐ | Circulation Function | |

⨏ | Integral Average With Slash | |

⨎ | Integral With Double Stroke | |

⨍ | Finite Part Integral | |

⨌ | Quadruple Integral Operator | |

⨋ | Summation With Integral | |

⨊ | Modulo Two Sum | |

⌈x⌉ | ceiling brackets | |

⌊x⌋ | floor brackets | |

↑ | ← | ↔ |

→ | ↓ |

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