Symbol for cardinality of natural number and real numbers
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Step-by-step explanation:The cardinality is expressed as a natural number, such as two, or five. It can also be zero for the empty set, even though zero is not usually considered a natural number. The integers make a wider set, consisting of all the natural numbers, and all the negative numbers.
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Step-by-step explanation:
The cardinality of the natural numbers is denoted aleph-null ( ), while the cardinality of the real numbers is denoted by " " (a lowercase fraktur script "c"), and is also referred to as the cardinality of the continuum.
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