The Strange Loop phenomenon occurs whenever, by moving upwards (or downwards) through levels of some hierarchial system, we unexpectedly find ourselves right back where we started.
Douglas HofstadterHofstadter's Law: It always takes longer than you expect, even when you take into account Hofstadter's Law
Douglas HofstadterThe paraphrase of Gรถdel's Theorem says that for any record player, there are records which it cannot play because they will cause its indirect self-destruction.
Douglas Hofstadter