soundness
/S AW1 N D N AH0 S/noun
- 1
The state or quality of being sound.
- 2
The result or product of being sound.
- 3
The property (of an argument) of not only being valid, but also of having true premises.
- 4
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 \vdash \phi is true, then T \vDash \phi must also be true, for any wff ฯ of logic L.
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