OAI/GroupTheory/PolycyclicRecognition/Algebra/PolyZNormalExtension.lean

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5 declarations, 0 contain sorry, 0 declared as axioms

Extensions of groups with torsion-free cyclic series

  1. theorem OAI.PolycyclicRecognition.TorsionFreeCyclicFactors.cons line 13
  2. theorem OAI.PolycyclicRecognition.TorsionFreeCyclicFactors.tail line 23
  3. def OAI.PolycyclicRecognition.cyclicSeriesJoin line 29
  4. theorem OAI.PolycyclicRecognition.TorsionFreeCyclicFactors.join line 48
  5. theorem OAI.PolycyclicRecognition.isPolyZ_of_normal_subgroup line 71