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Theorems · Theorem · field theory

Polynomial.coeff_sub

∀ {R : Type u} [inst : Ring R] (p q : Polynomial R) (n : ℕ), (p - q).coeff n = p.coeff n - q.coeff n
Defined in
Mathlib.Algebra.Polynomial.Basic
Cited by
49 results in Mathlib
Foundations
Depth 91 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.

IsIntegral.coeff · cited by 4IsIntegral.coeffPolynomial.cyclotomic_coeff_zero · cited by 3Polynomial.cyclotomic_coe…Polynomial.resultant_X_sub_C_left · cited by 3Polynomial.resultant_X_su…RatFunc.eq_C_of_minpolyX_coeff_eq_zero · cited by 3RatFunc.eq_C_of_minpolyX_…Algebra.exists_aeval_invOf_eq_zero_of_idealMap_adjoin_sup_span_eq_top · cited by 3Algebra.exists_aeval_invO…FiniteField.orderOf_frobeniusAlgHom · cited by 3FiniteField.orderOf_frobe…Polynomial.coeff_hermite_succ_succ · cited by 3Polynomial.coeff_hermite_…X_pow_sub_C_irreducible_of_odd · cited by 3X_pow_sub_C_irreducible_o…Matrix.matPolyEquiv_charmatrix · cited by 3Matrix.matPolyEquiv_charm…Polynomial.coprime_of_root_cyclotomic · cited by 2Polynomial.coprime_of_roo…IsLocalization.isAlgebraic · cited by 2IsLocalization.isAlgebraicPolynomial.coeff_X_sub_C_mul · cited by 2Polynomial.coeff_X_sub_C_…Polynomial.X_dvd_sub_C · cited by 2Polynomial.X_dvd_sub_CGaloisField.finrank · cited by 2GaloisField.finrankMatrix.charmatrix_fromBlocks · cited by 2Matrix.charmatrix_fromBlo…DFunLike.coe · cited by 62936DFunLike.coeRing · cited by 7463RingPolynomial · cited by 5681PolynomialPolynomial.coeff · cited by 1045Polynomial.coeffsub_eq_add_neg · cited by 1023sub_eq_add_negAddMonoidAlgebra.coeff · cited by 365AddMonoidAlgebra.coeffPolynomial.toFinsupp · cited by 64Polynomial.toFinsuppPolynomial.toFinsupp_add · cited by 5Polynomial.toFinsupp_addPolynomial.toFinsupp_neg · cited by 1Polynomial.toFinsupp_negPolynomial.coeff_subCITED BYCITES

Cites9

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

Cited by49

Results whose statement or proof uses this declaration.