a computably enumerable ( c . e ., 一个可计算枚举(computablyenumerable,简记为c
a computably enumerable ( c . e . ) 一个可计算枚举(c
abstract : it is shown that there exists a diamond of high computably enumerable degrees preserving the greatest element 1 文摘:证明存在一个保持最大元1的可计算枚举高度的钻石格
consequently, the class pc of the p lus cupping computably enumerable degrees is not an ideal of ? the upper semilattice of the computably enumerable degrees 因此所有加杯可计算枚举度组成的集合pc不是的理想,这里是所有可计算枚举度构成的上半格。
consequently, the class pc of the p lus cupping computably enumerable degrees is not an ideal of ? the upper semilattice of the computably enumerable degrees 因此所有加杯可计算枚举度组成的集合pc不是的理想,这里是所有可计算枚举度构成的上半格。