soundness

Fetched 2026-10-26 (cache).

Synonyms: soundless, roundness, boundness, fondness, boundless, solidness, jocundness, sonness, loudness, sourness, foundress

Antonyms: soundless, roundness, boundness, fondness, boundless, solidness, jocundness, sonness, loudness, sourness, foundress

Related words from Datamuse; suggestions, not definitions.

Noun

1. {{lb|en|uncountable}} The state or quality of being [[sound]].
2. {{lb|en|countable}} The result or product of being [[sound]].
3. {{lb|en|logic}} The property (of an [[argument]]) of not only being [[valid]], but also of having true [[premise]]s.
4. {{lb|en|logic}} The property of a logical [[theory]] that whenever a [[wff]] is a [[theorem]] then it must also be [[valid]]. Symbolically, letting ''T'' represent a theory within logic ''L'', this can be represented as the property that whenever <math> T \vdash \varphi</math> is true, then <math> T \vDash \varphi</math> must also be true, for any wff ''&phi;'' of logic ''L''.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.