Theorems · Theorem · commutative algebra

WittVector.mem_ker_truncate

∀ {p : ℕ} (n : ℕ) {R : Type u_1} [inst : CommRing R] [inst_1 : Fact (Nat.Prime p)] (x : WittVector p R),
  x ∈ RingHom.ker (WittVector.truncate n) ↔ ∀ i < n, x.coeff i = 0

Defined in

Mathlib.RingTheory.WittVector.Truncated

Cited by

0 results in Mathlib

Foundations

Depth 115 from the axioms · uses propext, Classical.choice, Quot.sound

Assumes

CommRingFact