Question

PLSS DAU COROANA

Descopera si corecteaza greseala:

a) ∆⊂{ ∆ O ☐ }
b) {x|x ∈ ℕ , x < 4} ⊂ {1,2,3}
c) {x ∈ ℕ |x · 2=6} ⊂ {1,2,3}

Answer 1

a) adevarat

b) fals, 0 apartine primei multimi, dar nu si celei de a doua...deci prima multime nu este inclusa in a doua

c) adevarat multimera {3} este inclusa in multimea {1;2'3}