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.

Let A,B and C be three sets. If A∈B and B⊂C, is it true that A⊂C

1.	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» Let $A, B$ and $C$ be three sets. If $A \in B$ and $B \subset C$ , is it true that $A \subset C$ ?. If not, give an example.