open sentence

See more synonyms for open sentence on
  1. Mathematics. an equation or inequality containing one or more variables in which its truth or falsehood depends upon the values assumed by the variables in a particular instance, as the equation x + 3 = 8.
  2. Logic. a propositional function that contains a free variable, as “x is a man.”

Origin of open sentence

First recorded in 1935–40 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for open sentence

truth-function, truth-value

British Dictionary definitions for open sentence

open sentence

  1. logic an expression containing a free variable that can be replaced by a name to yield a sentence, as x is wiseAlso called: propositional function, sentential function
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012