Recent content by liaoge

I am sorry that there's something wrong with your picture's link...

OK, you went the way as Euler did. Just look 1-1+1-1+... as a function, and it will always be changing, namely it is actually a variable. Then can you say a variable equals a constant? ....

Maybe you can get what you want on your textbook. ...

So what is your exact idea about this ? What do you think if we do create a new number system to make Pi and e rational, but 1/2 is irrantional number? ....