What is the cardinality of sets in mathematics?
Cardinality refers to the number of elements in a set. It helps us understand the size of different sets.
Can you give me an example of different cardinalities?
Sure! The set of natural numbers has infinite cardinality, while the set of apples in a basket has finite cardinality.
What is the cardinality of the set of all real numbers?
The cardinality of the set of all real numbers is uncountably infinite, often denoted as 'c' for the continuum.
How does this compare to the cardinality of natural numbers?
The cardinality of natural numbers is countably infinite, which is a smaller type of infinity compared to the continuum.
Are there different sizes of infinity?
Yes, there are different sizes of infinity, such as countable and uncountable infinities, which are fundamental in set theory.
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