Practice problem
Cardinality of a Set
Cardinality of infinite sets
How do the cardinalities of the sets A = {1, 2, 3, 4, 5, ...} (the set of natural numbers) and B = {1, 4, 9, 16, 25, ...} (the set of perfect squares) compare?
Practice problem
How do the cardinalities of the sets A = {1, 2, 3, 4, 5, ...} (the set of natural numbers) and B = {1, 4, 9, 16, 25, ...} (the set of perfect squares) compare?