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Theorems · Theorem · field theory

Polynomial.natDegree_sub_C

∀ {R : Type u} [inst : Ring R] {p : Polynomial R} {a : R}, (p - Polynomial.C a).natDegree = p.natDegree
Defined in
Mathlib.Algebra.Polynomial.Degree.Operations
Cited by
24 results in Mathlib
Foundations
Depth 105 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Ring

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Polynomial.natDegree_X_sub_C · cited by 22Polynomial.natDegree_X_su…Polynomial.natDegree_multiset_prod_X_sub_C_eq_card · cited by 6Polynomial.natDegree_mult…natDegree_minpolyDiv_succ · cited by 4natDegree_minpolyDiv_succX_pow_sub_C_irreducible_of_odd · cited by 3X_pow_sub_C_irreducible_o…Polynomial.resultant_X_sub_C_left · cited by 3Polynomial.resultant_X_su…IsPurelyInseparable.elemExponent_le_of_pow_mem · cited by 3IsPurelyInseparable.elemE…IsPurelyInseparable.minpoly_natDegree_eq · cited by 2IsPurelyInseparable.minpo…Polynomial.resultant_X_sub_C_pow_left · cited by 2Polynomial.resultant_X_su…IsRealClosed.exists_eq_pow_of_odd · cited by 2IsRealClosed.exists_eq_po…Polynomial.Monic.exists_splits_map · cited by 2Monic.exists_splits_mapIsPurelyInseparable.finrank_eq_pow · cited by 2IsPurelyInseparable.finra…Polynomial.X_sub_C_scaleRoots · cited by 1Polynomial.X_sub_C_scaleR…Polynomial.eraseLead_mul_eq_mul_eraseLead_of_nextCoeff_zero · cited by 1Polynomial.eraseLead_mul_…exists_derivative_mul_eq_and_isIntegral_coeff · cited by 1exists_derivative_mul_eq_…Polynomial.multiset_prod_X_sub_C_coeff_card_pred · cited by 1Polynomial.multiset_prod_…DFunLike.coe · cited by 62936DFunLike.coeRingHom · cited by 10189RingHomRing · cited by 7463RingPolynomial · cited by 5681PolynomialPolynomial.C · cited by 1598Polynomial.CPolynomial.natDegree · cited by 1105Polynomial.natDegreesub_eq_add_neg · cited by 1023sub_eq_add_negPolynomial.C_neg · cited by 25Polynomial.C_negPolynomial.natDegree_add_C · cited by 18Polynomial.natDegree_add_CPolynomial.natDegree_sub_CCITED BYCITES

Cites9

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by24

Results whose statement or proof uses this declaration.