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Theorems · Theorem · functional analysis

enorm_add_le_of_le

∀ {E : Type u_8} [inst : TopologicalSpace E] [inst_1 : ESeminormedAddMonoid E] {r₁ r₂ : ENNReal} {a₁ a₂ : E},
  ‖a₁‖ₑ ≤ r₁ → ‖a₂‖ₑ ≤ r₂ → ‖a₁ + a₂‖ₑ ≤ r₁ + r₂
Defined in
Mathlib.Analysis.Normed.Group.Basic
Cited by
2 results in Mathlib
Foundations
Depth 121 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
TopologicalSpaceESeminormedAddMonoid

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