My friend brought up an interesting argument that

This is obviously wrong, but what is wrong with it?

Results 1 to 3 of 3

- Sep 11th 2010, 07:39 AM #1

- Joined
- Jan 2009
- Posts
- 290

- Sep 11th 2010, 08:18 AM #2

- Joined
- May 2006
- From
- Lexington, MA (USA)
- Posts
- 12,028
- Thanks
- 847

Hello, chengbin!

This is a classic fallacy . . .

The fallacy is that and .

. . And we want: .

But is an*indeterminate form*

. . which can equalvalue!*any*

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~

Here's another silly example: .

. . Therefore: .

[The sum of all the natural numbers is a negative number?]

- Sep 12th 2010, 05:25 AM #3

- Joined
- Apr 2005
- Posts
- 19,248
- Thanks
- 2838