Question

A = { a,b,c,d,e,} B = { c,d,e,f } C = { b,d } D = { a,e } State whether following statement are True or False (1) C ⊆ B (2) D ⊆ A (3) A ⊆ D (4) D ⊆ B​

Answer 1

Answer:

Since, b, ϵ A but b



ϵ D

So, A ⊆ D is false.