谓词公式∃xF(x,y)⋀∀yG(x,y)中,变元y属于
A.约束变元
B.既是自由变元也是约束变元
C.自由变元
D.既不是自由变元,也不是约束变元
正确答案是B
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/430058.html
上一篇:系统评价
下一篇:English is a vacuum cleaner language; it is able and willing to adopt any words it finds useful.Places,peoples, tongues from around lhe world all have become part of the English vocabulary. They give it flexibility and provide a certain sense of