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。
上: upper; up; upward半: half格: check; squares formed by cro ...半格: semilattice上半: first half半格点: semilattice下半格: lower semilattice半格构架: half lattice frame; half-lattice frame; half-latticed girder半格相机: half-frame camera半格组梁: half lattice girder剩余半格: residuated lattice完备半格: sigma complete semilattice完备下半格: sigma complete lower semilattice完全半格点: complete semilattice上半部: the top half; upper half; upper-half上半场: first half (of a game) 上半场比分多少? what was the score at half time? 上半场比分是三比一。 the score was 3 to 1 in the first half上半弓: upper limb上半面: upper half plane上半模: male section; upper mold section上半年: first half year; in the first half of the year上半球: dome; upper hemisphere上半区: upper half; upper-half上半晌: forenoon; morning上半身: the upper part of the body; above the waist上半时: first half