Question

Am de facut la mate urgent ex 1,2 si 3 de jos ptr. Maiine la lucrare va rog

Answer 1

1. a) {1}, {2}, {1,2}
b) {2}, {3}, {5}, {2,3}, {2,5}, {3,5}, {2,3,5}
c) {a}, {b}, {c}, {d}, {a,b}, {a,c}, {a,d}, {b,c}, {b,d}, {c,d}, {a,b,c}, {a,b,d}, {a,c,d}, {c,b,d}, {a,b,c,d}
2. M={1,2}
M={1,2,3}
M={1,2,4}
M={1,2,5}
M={1,2,3,4}
M={1,2,3,5}
M={1,2,3,4,5}
3. a) A este inclus in B
b) A nu e inclus in B
c) A=B