1.Tentukan semua himpunan bagian dari A= {a,b,c} 2.Tentukan semua himpunan bagian dari Y ={bilangan prima lebih dari 6 dan kurang dari 25} yang memiliki a.Dua a

1) A={a, b, c}
1. Himpunan bagian dari A = {a, b, c} sebagai berikut.
a. himpunan bagian yang tidak memiliki anggota : ∅

b. himpunan bagian yang memiliki 1 anggota : {a}, {b}, {c}.

c. himpunan bagian yang memiliki 2 anggota : {a, b}, {a, c}, {b, c}

d. himpunan bagian yang memiliki 3 anggota : {a, b, c}.

2) Y={7,11,13,17,19,23}

a) = {{7, 11}, {7,13}, {7,17}, {7, 19}, {7,23}, {11,13}, {11, 17}, {11, 19}, {11, 23}, {13, 17}, {13, 19}, {13, 23}, {17, 19}, {17, 23}, {19, 23}}

b) = {{7, 11, 13}, {7, 11, 17}, {7, 11, 19}, {7, 11, 23}, {7, 13, 17}, {7,13, 19}, {7, 13, 23}, {7, 17, 19}, {7, 17, 23}, {7, 19, 23}, {11, 13, 17}, {11, 13, 19}, {11, 13, 23}, {11, 17, 19,}, {11, 17, 23}, {11, 19, 23}, {13, 17, 19}, {13, 17, 23}, {13, 19, 23}, {17, 19, 23}}

c) = {{7, 11, 13, 17}, {7, 11, 13, 19,}, {7, 11, 13, 23}, {7, 11, 17, 19}, {7, 11, 17, 23}, {7, 11, 19, 23}, {7, 17, 19, 23}, {7, 13, 17, 19}, {7, 13, 17, 23}, {7, 17, 19, 23}, {11, 13, 17, 19}, {11, 13, 17, 23}, {11, 13, 19, 23}, {11, 17, 19, 23}, {13, 17, 19, 23}}

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