Prove that there is a unique positive integer greater than 1 that equals

I don't know how to solve this problem.

Prove that there is a unique positive integer greater than 1 that equals

the sum of the positive integers less than it.

I started of as

condition 1: n>1

condition 2: sum = n - 1

I'm stuck

Quote:

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Originally Posted by HelpMehPlz

I don't know how to solve this problem.

Prove that there is a unique positive integer greater than 1 that equals

the sum of the positive integers less than it.

I started of as

condition 1: n>1

condition 2: sum = n - 1

I'm stuck

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The second condition is : .

Quote:

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Originally Posted by HelpMehPlz

Prove that there is a unique positive integer greater than 1 that equals

the sum of the positive integers less than it.

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