Theorems · Theorem · field theory

Polynomial.support_update

∀ {R : Type u} [inst : Semiring R] (p : Polynomial R) (n : ℕ) (a : R) [inst_1 : Decidable (a = 0)],
  (p.update n a).support = if a = 0 then p.support.erase n else insert n p.support

Defined in

Mathlib.Algebra.Polynomial.Basic

Cited by

2 results in Mathlib

Foundations

Depth 66 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

SemiringDecidable