Answer to Question #267507 in Discrete Mathematics for jeff

Question

10. 𝐴 ⊂ 𝐵

Answer 1

Solution:

Assume $A=\{1,2,3\}, B=\{1,2,3,4\}$

Now, clearly B contains all the elements of A and B has greater number of elements. So, A is proper subset of B.

Thus, $A\subset B$