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Tangled hierarchy

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This is an old revision of this page, as edited by Brian0918 (talk | contribs) at 02:20, 3 August 2005 (It's a term that appears in several areas, including math logic. see mathworld). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.

A tangled hierarchy is a system in which a strange loop appears. Real-world examples of tangled hierarchies include doctor-patient relationships in which the patient must tell the doctor his internal feelings to allow the doctor to determine what must be done. Another example is a student who educates his teacher.

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