# cardinality

• October 19th 2008, 06:15 AM
QWERTY
cardinality
I want to find the cardinality of the following set:

S= {1,2,...,x}

I know that cardinality means the number of elements of the set and that if the set was {1,2,3} then the cardinality will be 3.

But i find it difficult to find the cardinality of {1,2,...,x}

• October 19th 2008, 08:03 AM
ThePerfectHacker
Quote:

Originally Posted by QWERTY
I want to find the cardinality of the following set:

S= {1,2,...,x}

I know that cardinality means the number of elements of the set and that if the set was {1,2,3} then the cardinality will be 3.

But i find it difficult to find the cardinality of {1,2,...,x}

The cardinaly is $x$.