Question

Stabiliti valoarea de adevar a propozitiilor: a)12 ∉ {10,11,12} b) {1,8 ,10,15} ⊃ {8,1,10} c) 17 ∈ {1,3,15,17,19} d) {2,3,6,8} \ {5,2,1,3} = {6,8} e) 6 ∈ {2,5,6,7} ∩ {4,1,6,8,10} f) 17 ∈ {13,14,15,...,21} ∩ {2,4,6,...,32}.Va rog din toat inima ajutatima dau coroana.

Answer 1

a fals
b adevar
c adevar
d adevar
e fals
f fals

Succes!