what is difference between firmness and soundness
firm + -ness
- (General American) IPA(key): /ˈfɝmnəs/
- (Received Pronunciation) IPA(key): /ˈfɜːmnəs/
- Hyphenation: firm‧ness
firmness (countable and uncountable, plural firmnesses)
- The state of being firm
- security; steadfastness; good grip
- strictness; mental strength
- France, for the first time since the death of Charlemagne, was governed by a prince of great firmness and ability.
- physical durability; rigidness (of material)
- firmness in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
From sound + -ness
soundness (countable and uncountable, plural soundnesses)
- (uncountable) The state or quality of being sound.
- (countable) The result or product of being sound.
- (logic) The property (of an argument) of not only being valid, but also of having true premises.
- (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
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