domain of discourse編輯正在努力提供更完整的內容，建議 20 分鐘後再回來看看domain of discoursedomain of discourse — 名詞名詞1. the set of entities over which variables range in logic or mathematics1.名詞釋義論域the set of entities over which variables range in logic or mathematics例句In predicate logic, the domain of discourse must be non-empty.