many-valued logic

many-valued logic, Formal system in which the well-formed formulae are interpreted as being able to take on values other than the two classical values of truth or falsity. The number of values possible for well-formed formulae in systems of many-valued logic ranges from three to uncountably many.

This article was most recently revised and updated by Brian Duignan.

Citation Information

Article Title: many-valued logic

Website Name: Encyclopaedia Britannica

Publisher: Encyclopaedia Britannica, Inc.

Date Published: 21 May 2012

URL: https://www.britannica.comhttps://www.britannica.com/topic/many-valued-logic

Access Date: February 22, 2025