Theorems · Theorem · commutative algebra

WittVector.mul_coeff

∀ {p : ℕ} {R : Type u_1} [hp : Fact (Nat.Prime p)] [inst : CommRing R] (x y : WittVector p R) (n : ℕ),
  (x * y).coeff n = WittVector.peval (WittVector.wittMul p n) ![x.coeff, y.coeff]

Defined in

Mathlib.RingTheory.WittVector.Defs

Cited by

4 results in Mathlib

Foundations

Depth 100 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

FactCommRing