(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](/uploads/image/z/7979388-60-8.jpg?t=%281%2C2.3%2C4%29%E7%9A%84%E5%AD%90%E9%9B%86%E3%80%81%E7%9C%9F%E5%AD%90%E9%9B%86%E3%80%81%E9%9D%9E%E7%A9%BA%E5%AD%90%E9%9B%86%E3%80%81%E9%9D%9E%E7%A9%BA%E7%9C%9F%E5%AD%90%E9%9B%86%E5%88%86%E5%88%AB%E6%98%AF%E5%93%AA%E5%87%A0%E4%B8%AA)
{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)
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)