Question

A = {a, b, c} a) submultimile improprii b) toate submultimile

Answer 1

A = {a, b, c}

a) submultimile improprii:

Ф si {a,b,c}

b) toate submultimile multimii A:

Ф, {a}, {b}, {c}, {a,b}, {a,c}, {b,c}, {a,b,c}