Theorems · Theorem · field theory
Polynomial.card_support_trinomial
∀ {R : Type u} [inst : Semiring R] {k m n : ℕ},
k < m →
m < n →
∀ {x y z : R},
x ≠ 0 →
y ≠ 0 →
z ≠ 0 →
(Polynomial.C x * Polynomial.X ^ k + Polynomial.C y * Polynomial.X ^ m +
Polynomial.C z * Polynomial.X ^ n).support.card =
3- Defined in
- Mathlib.Algebra.Polynomial.Coeff
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 108 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.
Cites16
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement · cited by 62,936
- Semiringstatement and proof · cited by 13,802
- Finsetproof · cited by 13,712
- RingHomstatement · cited by 10,189
- Polynomialstatement · cited by 5,681
- Finset.cardstatement and proof · cited by 2,327
- Polynomial.Xstatement · cited by 1,639
- Polynomial.Cstatement · cited by 1,598
- LT.lt.neproof · cited by 872
- LT.lt.transproof · cited by 370
- Polynomial.supportstatement · cited by 237
- Finset.card_singletonproof · cited by 144
Cited by2
Results whose statement or proof uses this declaration.
- Polynomial.IsUnitTrinomial.card_support_eq_threeproof · cited by 2
- Polynomial.card_support_eq_threeproof · cited by 1