strange loop
absurdism – Theory that life in general is absurd Autopoiesis – Systems concept which entails automatic reproduction and maintenance Catch-22 – Situation in which one cannot avoid a problem because of contradictory constraints Causal loop – Sequence of events which cause each other Dilemma – Problem requiring a choice between equally undesirable alternatives Grandfather paradox – Theoretical paradox resulting from time travel – Going back in time to kill one's own grandfather generates a circular contradiction Irony – Rhetorical device and literary technique Mise en abyme – Technique of placing a copy of an image within itself, or a story within a story Meno – Dialogue by Plato - Paradox: One must already possess any given piece of knowledge, otherwise it could not be recognized when supposedly "discovered" Münchhausen trilemma – A thought experiment used to demonstrate the impossibility of proving any truth Optical feedback – Loop delay that occurs when a video camera is pointed at its own playback video monitor Ouroboros – Symbolic serpent with its tail in its mouth Perpetual motion – Work being continuously done without an external input of energy Phoenix (mythology) – Immortal bird that is cyclically reborn Pitch circularity – Fixed series of tones that appear to ascend or descend endlessly in pitch Reflexivity (social theory) – Circular relationships between cause and effect Three hares – Motif of three hares in threefold rotational symmetry