Question

two sets of p and p' will form of _________ set null set ,singlent set,universal set ,none of the above​

Answer 1

Any Set that does not contain any element is called the empty or null or void set. The symbol used to represent an empty set is – {} or φ. Examples: Let A = {x : 9 < x < 10, x is a natural number} will be a null set because there is NO natural number between numbers 9 and 10.