A wavering; unsteadiness.
In medicine, a wave-like motion or undulation of a fluid in a natural or abnormal cavity (e.g. pus in an abscess), which is felt during palpation or percussion.
A motion like that of waves; a moving in this and that direction.
The result or product of being sound.
The property (of an argument) of not only being valid, but also of having true premises.
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 vDash 𝜙 must also be true, for any wff φ of logic L.
The state or quality of being sound.