Page 1 of 1

A = {∅,{∅},2,{2,∅},3}, which of the following is true?

Posted: Thu Jul 14, 2022 8:57 am
by answerhappygod
a) {{∅,{∅}} ∈ A
b) {2} ∈ A
c) ∅ ⊂ A
d) 3 ⊂ A