OAI/RingTheory/DirectFiniteness/QuotientField.lean

GitHub source file

15 declarations, 0 contain sorry, 0 declared as axioms

  1. def OAI.KaplanskyCounterexample.Prescription.irreducibleCoeffs line 15
  2. lemma OAI.KaplanskyCounterexample.Prescription.irreducibleCoeffs_exists line 18
  3. def OAI.KaplanskyCounterexample.Prescription.firstCoeffs line 29
  4. def OAI.KaplanskyCounterexample.Prescription.firstPolynomial line 32
  5. lemma OAI.KaplanskyCounterexample.Prescription.firstPolynomial_monic line 34
  6. lemma OAI.KaplanskyCounterexample.Prescription.firstPolynomial_degree line 36
  7. lemma OAI.KaplanskyCounterexample.Prescription.firstPolynomial_irreducible line 38
  8. lemma OAI.KaplanskyCounterexample.Prescription.firstCoeffs_le line 40
  9. abbrev OAI.KaplanskyCounterexample.Prescription.CoefficientField line 46

    Source documentation

    Exactly F₂[Z]/(g), with g the lexicographically first monic irreducible polynomial of the prescribed degree.

    abbrev CoefficientField (d : ℕ) (hd : 0 < d) := AdjoinRoot (firstPolynomial d hd)

    Mentions: OAI.KaplanskyCounterexample.Prescription.firstPolynomial

  10. instance OAI.KaplanskyCounterexample.Prescription.firstPolynomial_fact line 48
  11. instance OAI.KaplanskyCounterexample.Prescription.coefficientField_finite line 51
  12. instance OAI.KaplanskyCounterexample.Prescription.coefficientField_fintype line 56
  13. lemma OAI.KaplanskyCounterexample.Prescription.coefficientField_finrank line 59
  14. lemma OAI.KaplanskyCounterexample.Prescription.coefficientField_card line 64
  15. def OAI.KaplanskyCounterexample.Prescription.coefficientFieldOrder line 68