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Theorems · Theorem · field theory

Polynomial.le_natDegree_of_ne_zero

∀ {R : Type u} {n : ℕ} [inst : Semiring R] {p : Polynomial R}, p.coeff n ≠ 0 → n ≤ p.natDegree
Defined in
Mathlib.Algebra.Polynomial.Degree.Operations
Cited by
14 results in Mathlib
Foundations
Depth 89 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
Semiring

Around this declaration

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

Polynomial.Monic.natDegree_map · cited by 21Monic.natDegree_mapPolynomial.le_natDegree_of_mem_supp · cited by 16Polynomial.le_natDegree_o…Polynomial.natDegree_eq_of_le_of_coeff_ne_zero · cited by 15Polynomial.natDegree_eq_o…Polynomial.natTrailingDegree_le_natDegree · cited by 4Polynomial.natTrailingDeg…Polynomial.coeff_mul_invOneSubPow_eq_hilbertPoly_eval · cited by 3Polynomial.coeff_mul_invO…Polynomial.natDegree_eraseLead · cited by 2Polynomial.natDegree_eras…Polynomial.natDegree_comp_le · cited by 2Polynomial.natDegree_comp…Polynomial.scaleRoots_eval₂_mul_of_commute · cited by 2Polynomial.scaleRoots_eva…RatFunc.natDegree_minpolyX · cited by 2RatFunc.natDegree_minpolyXPolynomial.natDegree_hasseDeriv_le · cited by 1Polynomial.natDegree_hass…RatFunc.natDegree_num_le_natDegree_minpolyX · cited by 1RatFunc.natDegree_num_le_…Polynomial.natDegree_eq_reverse_natDegree_add_natTrailingDegree · cited by 1Polynomial.natDegree_eq_r…RatFunc.natDegree_denom_le_natDegree_minpolyX · cited by 0RatFunc.natDegree_denom_l…Polynomial.natDegree_sum_eq_of_linearIndepOn · cited by 0Polynomial.natDegree_sum_…Semiring · cited by 13802SemiringPolynomial · cited by 5681PolynomialWithBot · cited by 1498WithBotPolynomial.natDegree · cited by 1105Polynomial.natDegreePolynomial.coeff · cited by 1045Polynomial.coeffNat.cast_le · cited by 159Nat.cast_lePolynomial.degree_eq_natDegree · cited by 69Polynomial.degree_eq_natD…Polynomial.le_degree_of_ne_zero · cited by 11Polynomial.le_degree_of_n…Polynomial.le_natDegree_of_ne…CITED BYCITES

Cites8

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

Cited by14

Results whose statement or proof uses this declaration.