what is the cardinality of this sets:

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- Jun 25th 2007, 03:06 PMTheRekzempty set question
what is the cardinality of this sets:

- Jun 25th 2007, 03:24 PMThePerfectHacker
- Jun 25th 2007, 03:33 PMPlato
First, I must say that I do not think that you are asking the question that you mean to ask.

Because, I see only one element of the set of triples, 3-tuples.

Now, I am of course aware that a set of ordered pairs is defined as sets of sets: the pair

And we define the triple .

Therefore, have you asked the question you meant to ask? - Jun 25th 2007, 04:41 PMTheRekz
- Jun 26th 2007, 03:48 AMPlato
Because you edited the question to change ( to {, the answer is 3.