3 ms·Cardinality of natural numbers and integers is also the same. 0 -1 1 -2 2 -3 3... 0 1 2 3 4 5 6...by greiskul 11y agoCardinality of natural numbers and integers is also the same. 0 -1 1 -2 2 -3 3... 0 1 2 3 4 5 6...