All equal sets are ___.
Null
Singleton
Joint
Equivalent
If A = {Whole numbers less than 5} and B = {Natural numbers less than 6}, then A and B are ________.
If A = {set of whole numbers < 5} and B = {set of natural numbers < 6}, then A and B are________.
The following pair of sets is:
A = {2, 3, 5, 7, 11}.
B = {prime numbers < 12}.
If A = {set of prime numbers}, then A is _____.