Question

Let A= {a,b, {c,d},e}.
State, whether the following statement is true or false
(iii) {{c,d}} $\subset$ A

Answer 1

Solution:
Since A= {a,b,{c,d},e}
Given statement {{c,d}}$\subset$ A is true because {{c,d}} is a subset of A.
Hence, {{c,d}} $\subset$ A.