# dialetheism

> English word · Noun · IPA /ˌdaɪ.əˈlɛθ.i.ɪz.əm/

## Definitions
1. The theory that statements can be both true and false at the same time and in the same sense. The opposite of the law of noncontradiction.

## Etymology
Coined by Graham Priest and Richard Routley, from di- + Ancient Greek ἀλήθεια (alḗtheia, “truth”), in 1981.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/dialetheism