Examine whether the following statements are true or false: (i) {1, 2, 3} ⊂ {1, 3, 5} (ii) {a} ⊂ {a. b, c}

Solution:

(i) The statement is false.

2 ∈ {1, 2, 3} in which, 2∉ {1, 3, 5}

(ii) The statement is true.

Here each element of {a} is also an element of {a, b, c}.