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 June 11th, 2014, 11:15 AM #1 Newbie   Joined: Apr 2014 From: USA Posts: 24 Thanks: 1 Notation If f is a permutation of the set of pozitive integers. What does it mean :$\displaystyle (f(n))_{n\epsilon N}$
June 11th, 2014, 12:28 PM   #2
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Quote:
 Originally Posted by Roli What does it mean :$\displaystyle (f(n))_{n\epsilon N}$
Probably the infinite sequence $(f(1),f(2),f(3),\dots)$ (if $\Bbb N$ starts with 1).

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