involution

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Under involution is understood

  • a self-inverse mapping in mathematics, see involution (mathematics)
  • in medicine and biology the spontaneous regression of organs, see involution (medicine)
  • in political science the "regression of democratic states, parties, theories into pre- or anti-democratic forms" ( Johannes Agnoli )
  • In developmental biology, the migration of a cell layer inward, whereby it slides over an outer cell layer
  • In the religion and mysticism of "Eternal Philosophy" ( Philosophia perennis ), the process of descent (folding in) that precedes evolution and leads from the divine universal spirit through thinking and feelings to inanimate matter ( Sri Aurobindo , Ken Wilber , Theosophy )