Concept
The strange loop
A system containing a description of itself cannot complete that description from inside: the description must include itself describing, and it does not close. Used to say why the outside vantage is genuinely absent rather than merely hard to reach, and held as a regress rather than a proof — nothing is demonstrated, only followed until it stops terminating.
Where it appears
Treated in
- Part Four — The Ground UnderneathThe Limits of Running It ForwardFinding the rule is not predicting the form. Two things make a Global Form unpredictable, a named rule is only a hypothesis, and fatalism turns out to be unavailable rather than false.