Question

1. Se cinsidera multimile :A={1;2};B={x apartine multimii nr nat |2mai muc si egal cu x<5}
A) Scrieti submultimile multimii A
B)Scrieti multimea B enumerand elementele sale

Answer 1

a)A={1},A={2}
b)B={2,3,4}

Answer 2

a){1}⊂A
{2}⊂A
{1;2}⊆A
b)B={2;3;4}