Question

Let A, B and C be three sets. If A
∈
B and B
⊂
C, is it true that
A
⊂
C?. If not, give an example.

Answer 1

@ruizgeorge

Answer 2

if A ∈ B and B ⊂ C, it's true that A ⊂ C because A is into B and B is a subset of C

Answer 3

Thank you sir