ExamPlay Dark Logo
Oturum aç

Mathematics for IGCSE & O level - Sets (Section 2 - No. 38)

If A ⊆ B, and x ∈ A, then which of the following MUST be true?
x ∉ B
x ∈ B
x ∈ A'
x ∉ A'

Açıklama

If A ⊆ B, then all elements of A are also elements of B. If x ∈ A, then x ∈ B.

Yorumlar (0)

Reklamcılık