Earlier quoted context omitted.
> In years of doing this not a single person has ever complained I've never used your website, but if I did and the side arrow changed things, I'd immediately close it and never come back. You wouldn't get a complaint from me; you'd just lose me instantly and permanently. It drives me absolutely nuts when sites do this, it is so disorienting.
> I'd immediately close it and never come back. You wouldn't get a complaint from me; you'd just lose me instantly and permanently. Do you think this concerns me? I don't make this site for you, someone who admits they've "never used" my site. I make my site for my regular readers, some of whom have been reading the site for over 10 years. The people who regularly email me comments and feedback on my posts. People wh…
This is, at best, ambiguous. To show something mathematically, you have to have a precise definition of it, and neither "simple" nor "powerful" admits a precise definition that is widely agreeable enough for any mathematical proof based on it to be worth anything.