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Soundness
noun
Definitions
Noun
- 1 The state or quality of being sound. uncountable
- 2 the muscle tone of healthy tissue wordnet
- 3 The result or product of being sound. countable
- 4 the quality of being prudent and sensible wordnet
- 5 The property (of an argument) of not only being valid, but also of having true premises. countable, uncountable
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- 6 a state or condition free from damage or decay wordnet
- 7 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 T⊢φ is true, then T⊨φ must also be true, for any wff φ of logic L. countable, uncountable
Etymology
From Middle English soundenes, soundnes, from Old English *sundnes, *ġesundnes (attested in onsundnes), from Proto-West Germanic *sundnassī (“soundness, health”); equivalent to sound + -ness. Cognate with West Frisian sûnens (“soundness, health”), Middle Low German suntnisse (“soundness, health”), Middle High German suntnisse (“soundness, health”), German Gesundnis (“health”).
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