Hello, chengbin!

This is a classic fallacy . . .

The fallacy is that and .

. . And we want: .

But is anindeterminate form

. . which can equalvalue!any

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

Here's another silly example: .

. . Therefore: .

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