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Webster 1913 Edition


Soundness

Sound′ness

,
Noun.
The quality or state of being sound;
as, the
soundness
of timber, of fruit, of the teeth, etc.; the
soundness
of reasoning or argument;
soundness
of faith.
Syn. – Firmness; strength; solidity; healthiness; truth; rectitude.

Webster 1828 Edition


Soundness

SOUND'NESS

, n.
1.
Wholeness; entireness; an unbroken, unimpaired or undecayed state; as the soundness of timber, of fruit, of the teeth, of a limb, &c.
2.
An unimpaired state of an animal or vegetable body; a state in which the organs are entire and regularly perform their functions. We say, the soundness of the body, the soundness of the constitution, the soundness of health.
3.
Firmness; strength; solidity; truth; as soundness of reasoning or argument, of doctrine or principles.
4.
Truth; rectitude; firmness; freedom from error or fallacy; orthodoxy; as soundness of faith.

Definition 2024


soundness

soundness

English

Noun

soundness (countable and uncountable, plural soundnesses)

  1. (uncountable) The state or quality of being sound.
  2. (countable) The result or product of being sound.
  3. (logic) The property (of an argument) of not only being valid, but also of having true premises.
  4. (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 is true, then must also be true, for any wff φ of logic L.

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