nndist_add_add_le

∀ {E : Type u_2} [inst : SeminormedAddCommGroup E] (a₁ a₂ b₁ b₂ : E),
  nndist (a₁ + a₂) (b₁ + b₂) ≤ nndist a₁ b₁ + nndist a₂ b₂

Defined in: Mathlib.Analysis.Normed.Group.Uniform
Cited by: 1 results in Mathlib
Foundations: Depth 156 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: SeminormedAddCommGroup

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