OAI/GroupTheory/PolycyclicRecognition/Geometry/PolycyclicRootIndex.lean

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3 declarations, 0 contain sorry, 0 declared as axioms

Full root subgroups have finite index in a polycyclic group

  1. theorem OAI.PolycyclicRecognition.finiteIndex_of_cyclic_roots line 14
  2. theorem OAI.PolycyclicRecognition.finiteIndex_roots_cyclic_extension line 26
  3. theorem OAI.PolycyclicRecognition.IsPolycyclic.finiteIndex_of_roots line 44