When is A called proper subset of B?
A ⊂ B
A = B
A ≠ B
Both A & B
Both A & C
For 2 sets A, B, A is called proper subset of B if A ⊂ B and A ≠ B.
What is/are the necessary condition(s) for set A to be a proper subset of set B?
(i) A ⊂ B
(ii) A = B
(iii) A ≠ B
For 2 sets A, B, A is called a proper subset of B iff