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Theorems · Theorem · functional analysis

norm_nonneg

∀ {E : Type u_5} [inst : SeminormedAddGroup E] (a : E), 0 ≤ ‖a‖
Defined in
Mathlib.Analysis.Normed.Group.Basic
Cited by
725 results in Mathlib
Foundations
Depth 112 from the axioms, rests on 2,425 definitions · uses propext, Classical.choice, Quot.sound
Assumes
SeminormedAddGroup

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Cited by725

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