Talk:Index finite lists of positive integers: Difference between revisions

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(Created page with "==Sets or lists?== "It is known that the set of finite lists of positive integers is countable"<br>I know that the set of finite sets of positive integers is countable.<br>Wha...")
 
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==Sets or lists?==
==Sets or lists?==
"It is known that the set of finite lists of positive integers is countable"<br>I know that the set of finite sets of positive integers is countable.<br>What is a list? If it is something like the example Perl is using "12 11 0 7 9 15 15 5 7 13 5 5", which is not a set, I don't think these are countable.--[[User:Nigel Galloway|Nigel Galloway]] ([[User talk:Nigel Galloway|talk]]) 12:57, 8 September 2018 (UTC)
"It is known that the set of finite lists of positive integers is countable"<br>I know that the set of finite sets of positive integers is countable.<br>What is a list? If it is something like the example Perl is using "12 11 0 7 9 15 15 5 7 13 5 5", which is not a set, are these are countable?--[[User:Nigel Galloway|Nigel Galloway]] ([[User talk:Nigel Galloway|talk]]) 12:57, 8 September 2018 (UTC)
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