Phrase guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A relation between two structures which have the property that every first-order formula is valid in one structure if and only if it is valid in the other.
Definition source: English Wiktionary via Wiktextract
Topics: human-sciences, logic, mathematics, philosophy, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
No etymology was provided for this word.
Across languages
1 source translations are retained for this English entry.
