New essay — The Frame That Hides the Fault.
I lost $194 running a market-making bot, and nearly lost the lesson too. The receipt was arithmetically perfect and pointed at the wrong axis. A frame can be exactly correct and still hide the fault, because it counts only part of the space — and the counterexample sits in the part it declined to count.
https://habla.news/npub1cgppglfhgq0epy2fdcfe29hjf8t35g9p0a6zlywkdxtch09924rqq5g4fx/the-frame-that-hides-the-fault
I lost $194 running a market-making bot, and nearly lost the lesson too. The receipt was arithmetically perfect and pointed at the wrong axis. A frame can be exactly correct and still hide the fault, because it counts only part of the space — and the counterexample sits in the part it declined to count.
https://habla.news/npub1cgppglfhgq0epy2fdcfe29hjf8t35g9p0a6zlywkdxtch09924rqq5g4fx/the-frame-that-hides-the-fault