subclass of recursive set [数] 递归集子类

class of recursive set [数] 递归集类

semi-recursive set 半递归集

random recursive set 随机递归集

recursive set functions 递归集函数

elementary recursive set 初等递归集

structure of recursive set 递归集结构

index for a recursive set 递归集下标

multi-type random recursive set 多型随机递归集