(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个

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(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个{

(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个
(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个

(1,2.3,4)的子集、真子集、非空子集、非空真子集分别是哪几个
{1,2,3,4}
子集:{},{1},{2},{3},{4},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4},{1,2,3,4}(16个)
真子集:{},{1},{2},{3},{4},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4}(15个)
非空子集:{1},{2},{3},{4},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4},{1,2,3,4}(15个)、
非空真子集{1},{2},{3},{4},{1,2},{1,3},{1,4},{2,3},{2,4},{3,4},{1,2,3},{1,2,4},{1,3,4},{2,3,4}(14个)