👉 In computational linguistics, a soundness criterion is a property of a formal language that ensures it is correctly recognized by a given machine. Specifically, a soundness criterion states that if two languages are considered equivalent under the condition that their corresponding grammars are syntactically identical, then they must be logically and semantically equivalent as well. Soundness is an important concept in computational linguistics because it allows us to determine whether a language can be recognized by a given machine. For example, if a