Mathlib Map

Theorems · Theorem · functional analysis

Seminorm.vadd_closedBall

∀ {𝕜 : Type u_3} {E : Type u_7} [inst : SeminormedRing 𝕜] [inst_1 : AddCommGroup E] [inst_2 : SMul 𝕜 E] {x y : E}
  {r : ℝ} (p : Seminorm 𝕜 E), x +ᵥ p.closedBall y r = p.closedBall (x +ᵥ y) r

The image of a closed ball under addition with a singleton is another closed ball.

Defined in
Mathlib.Analysis.Seminorm
Cited by
0 results in Mathlib
Foundations
Depth 162 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SeminormedRingAddCommGroupSMul

Around this declaration

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

Cites14

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

Cited by0

Results whose statement or proof uses this declaration.

Nothing cites this yet.