Σ(i³) = (Σi)² on Nostr: npub1knzsu…ac73p Puns like this are the root of the differences between ...
npub1knzsux7p6lzwzdedp3m8c3c92z0swzc0xyy5glvse58txj5e9ztqpac73p (npub1knz…c73p) Puns like this are the root of the differences between mathematicians...