"What's your problem?" I'm curious about the OP's logic. I believe I found a hole in it and I'm curious whether I have made a mistake or he did, and I'll be ha

"What's your problem?" I'm curious about the OP's logic. I believe I found a hole in it and I'm curious whether I have made a mistake or he did, and I'll be happy if he'll point out my mistake if I have one.