Of a first-order model M, the collection of all true literals in an expanded language containing a constant for each element of the domain of M, i.e., all literals true in the Henkin model (M,M).
科学参考收录了60776条科技类词条,基本涵盖了常见科技类参考文献及英语词汇的翻译,是科学学习和研究的有利工具。