Σ
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Translingual
Symbol
ΣCategory:Translingual lemmas#ΣCategory:Translingual symbols#ΣCategory:Translingual entries with incorrect language header#ΣCategory:Pages with entries#ΣCategory:Pages with 3 entries#Σ
- (mathematicsCategory:mul:Mathematics#Σ) Σ. Sum over a set of like terms:
- (topologyCategory:mul:Topology#Σ) suspension or reduced suspension
- (mathematicsCategory:mul:Mathematics#Σ) A class (in the arithmetical hierarchy) of formulae whose outermost unbounded quantifiers are existential quantifiers
Usage notes
(mathematics): Though there exists a distinct symbol (∑) for the purpose of the mathematical summation, the upper case sigma here is often used for convenience.
Coordinate terms
See also
Ancient Greek
Alternative forms
- Ϲ (S)
Etymology
From PhoenicianCategory:Ancient Greek terms borrowed from Phoenician#ΣCategory:Ancient Greek terms derived from Phoenician#Σ 𐤔 (š, “šīn”).
Letter
Σ • (S) (uppercase, nonfinal lowercase σ, final lowercase ς)Category:Ancient Greek lemmas#ΣCategory:Ancient Greek letters#ΣCategory:Ancient Greek entries with incorrect language header#ΣCategory:Pages with entries#ΣCategory:Pages with 3 entries#Σ
- The letter sigma (σίγμα), the 18th letter of the ancient Greek alphabet.
Derived terms
See also
- (Greek-script letters) Α α, Β β, Γ γ, Δ δ, Ε ε, Ζ ζ, Η η, Θ θ, Ι ι, Κ κ, Λ λ, Μ μ, Ν ν, Ξ ξ, Ο ο, Π π, Ρ ρ, Σ σ ς, Τ τ, Υ υ, Φ φ, Χ χ, Ψ ψ, Ω ω
- (non-Classical letters) Ϝ (W) ϝ (w), Ͷ ͷ, Ͱ (H) ͱ (h), Ϻ (S) ϻ (s), Ϟ ϟ, Ϙ (Q) ϙ (q), Ͳ (S) ͳ (s)
- (punctuation) · ⸳ . ;
- (diacritics) ᾿ ῾ ◌́Category:Ancient Greek terms in nonstandard scripts#Σ ◌̀Category:Ancient Greek terms in nonstandard scripts#Σ ῀ ¨
Symbol
Σ • (S)Category:Ancient Greek lemmas#ΣCategory:Ancient Greek numeral symbols#ΣCategory:Ancient Greek entries with incorrect language header#ΣCategory:Pages with entries#ΣCategory:Pages with 3 entries#Σ
- A counter for staters. An abbreviation of στατήρ (statḗr). Used as a tally mark, as in ΣΣΣΣ (4 staters) and Τ𐅐𐅏ΣΣΣ (1 talent 18 staters).
Derived terms
Greek
Letter
Σ • (S) (uppercase, lowercase σ)Category:Greek lemmas#ΣCategory:Greek letters#ΣCategory:Greek entries with incorrect language header#ΣCategory:Pages with entries#ΣCategory:Pages with 3 entries#Σ
- The upper case letter sigma (σίγμα), the 18th letter of the modern Greek alphabet.
Numeral
Σ • (S)Category:Greek lemmas#ΣCategory:Greek numerals#ΣCategory:Greek entries with incorrect language header#ΣCategory:Pages with entries#ΣCategory:Pages with 3 entries#Σ
- The number 200 in Greek numerals.
,Σ
- The number 200,000 in Greek numerals.