The property (of an argument) of not only being valid, but also of having true premises. (noun)
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 Ï† of logic L. (noun)
Examples of word soundness
What will it take for markets to be convinced of the long-term soundness of European public finances?
The community's, i.e. Cherokee's, financial soundness is a result of low expenditures and a very high soldier's retirement, he says.
This example confirms what we know about argument: logical/formal soundness is important, but the biases that audiences bring to the table are equally important â€” because the success of an argument ultimately depends on whether or not it actually persuades.
"That's very good news for the long-term soundness of the U.S. economy."
But the three-month lending rate rose Thursday, suggesting that fears about banks 'longer-term soundness remain.