Question

dau coroana!! Precizati valoarea de adevar a propozitiilor:
a)6∈ℕ
b)6∈ℤ
c)6∈ℚ
d)6∈ℝ
e)-7supra6∈ℕ
f)-7supra6∈ℚ
g)-7supra6∈ℝ
h)-7supra6∈ℝ\ℚ

Answer 1

a)Adevarat
b)Adevarat
c)Adevarat
d)Adevarat
e)Fals
f)Adevarat
g)Adevarat
h)Fals