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

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..."
(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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