Question

Sa se determine multimile A si B daca sunt indeplinite simultan conditiilr:
{1,2}xB inclus in AxA
{1,2}xA inclus in BxB
AxB inclus in {1,2,3}x{1,2,3,4}
dau COROANA

Answer 1

A={1, 2,3}
B={1, 2,3,4}