prenex

English

Adjective

prenex (not comparable)

1. (mathematics, logic) Of a formula, having all of its quantifiers at the beginning.
   • 1999, Neil Immerman, Descriptive Complexity, New York: Springer-Verlag, ISBN 0-387-98600-6, page 12:

     "We say that $\phi$ is universal iff it can be written in prenex form — i.e. with all quantifiers at the beginning — using only universal quantifiers."

Noun

prenex (plural prenexes)

1. (mathematics, logic) Part at the beginning of a prenex formula where all of the formula's bound variables get bound by logical quantifiers.

   $\forall x. \exists y.$ is the prenex of the formula $\forall x. \exists y. P(x,y)$

Derived terms

• prenex normal form