Subset Find the subsets of the following sets. (i) {a}, (ii) {a, b}, (iii) {a, b, c}, (iv) {p, q}, (v) {p, q, r}, (vi) {1,}, (vii) {1, 2, }, (viii) {1, 2, 3}, (ix) {1, 2, 3, 4}, Answer: (i) {a}, ∅ (ii) {a}, {b}, {a, b}, ∅ (iii) {a} , {b}, {c}, {a, […]
Read More →Empty set A set which does not contain any element is called an Empty set, or null set or void set. Empty set is denoted by { } or ∅ (Greek letter phi). Curly braces having no elements on it. Example: 1. The set of natural numbers less than 0, because there is no elements in the empty set. […]
Read More →Is Zero an element of an empty set. To understand the zero is an element of an empty set, first we need to understand the difference between the empty set and zero. Difference between the empty set and zero For example, we take a set of two parallel lines AB and CD, and they intersect […]
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