WordCodex

Π

See also: ϖ, П [U+041F CYRILLIC CAPITAL LETTER PE], ∏ [U+220F N-ARY PRODUCT], ㄇ [U+3107 BOPOMOFO LETTER M], ㅠ, 冂, and Variations of "p"

Π - Translingual

Symbol

Π

  1. (mathematics) Product over a set of like terms:
    • ∏ n = 1 4 n 2 = 1 2 ⋅ 2 2 ⋅ 3 2 ⋅ 4 2 = 576 {\displaystyle \prod _{n=1}^{4}n^{2}=1^{2}\cdot 2^{2}\cdot 3^{2}\cdot 4^{2}=576}
  2. (mathematics, logic, computer science) A class (in some hierarchy of formulae, like the arithmetical hierarchy or polynomial hierarchy) of those formulae whose outermost quantifiers are universal quantifiers.

Usage notes

  • (mathematics): Though there exists a distinct code point (∏) for the purpose of the mathematical product, the upper case pi here continues to be used for convenience.

Π - Ancient Greek

Letter

Π • (P) (uppercase, lowercase π)

  1. The letter pi (πεῖ), the 16th letter of the ancient Greek alphabet.

Derived terms

Π - Greek

Letter

Π • (P) (uppercase, lowercase π)

  1. The uppercase letter pi (πι), the 16th letter of the modern Greek alphabet.
Meaning and Definition of Π
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