OAI/GroupTheory/PolycyclicRecognition/Finiteness/FiniteIndexHomologyDegree.lean

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2 declarations, 0 contain sorry, 0 declared as axioms

The degree of a finite-index inclusion in top homology

  1. theorem OAI.PolycyclicRecognition.finiteIndex_subgroup_topHomology_degree line 16
  2. theorem OAI.PolycyclicRecognition.IsIntegralPoincareDualityGroup.exists_topHomology_index line 35