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Cardinality of Infinite tetration
#7
Ivars Wrote:
bo198214 Wrote:What is |x[4]2|?
I was not aware that x[4]2 is a set.

Hmm. I thought it can be perceived as set by analogy to n^n which is a set of all permutations of n from n with order and repetitions.

Whatever, but is a variable so you can regard as a set in this sense but not or as it depends on or respectively.

Quote:Then next derivatives and their general form are easy to see:


Unfortunately its not that easy, e.g:
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Messages In This Thread
Cardinality of Infinite tetration - by Ivars - 06/17/2008, 01:02 PM
RE: Cardinality of Infinite tetration - by Ivars - 06/17/2008, 07:59 PM
RE: Cardinality of Infinite tetration - by Ivars - 06/18/2008, 08:12 AM
RE: Cardinality of Infinite tetration - by Ivars - 06/20/2008, 04:28 PM
RE: Cardinality of Infinite tetration - by bo198214 - 06/20/2008, 09:18 PM
RE: Cardinality of Infinite tetration - by Ivars - 06/21/2008, 07:27 PM
RE: Cardinality of Infinite tetration - by Ivars - 07/13/2008, 08:07 PM

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