noun Logic.

the truth or falsehood of a proposition: The truth-value of “2 + 2 = 5” is falsehood.

Origin of truth-value

First recorded in 1915–20 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for truth-value

truth-function, truth-value

Examples from the Web for truth-value

Historical Examples of truth-value

  • But we recognised in the principle of truth-value an important advance towards a theory of knowledge.

    The Problem of Truth

    H. Wildon Carr

British Dictionary definitions for truth-value



  1. either of the values, true or false, that may be taken by a statement
  2. by analogy, any of the values that a semantic theory may accord to a statement
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

truth-value in Science



The truth or falsity of a logical proposition.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.