Question

Write ⊆ or ⊈ in each blank to make a true statement. 

(i) {4, 5, 6, 7} ____ {4, 5, 6, 7, 8} 

(ii) {a, b, c} ____ {b, e, f, g}

Answer 1

(i) {4, 5, 6, 7} ⊈ {4, 5, 6, 7, 8} 

(ii) {a, b, c} ⊈ {b, e, f, g}