Theorems · Theorem · functional analysis
eq_one_or_nnnorm_pos
∀ {E : Type u_5} [inst : NormedGroup E] (a : E), a = 1 ∨ 0 < ‖a‖₊- Defined in
- Mathlib.Analysis.Normed.Group.Basic
- Cited by
- 0 results in Mathlib
- Foundations
- Depth 118 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- NormedGroup
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Cites4
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- NNRealstatement · cited by 4,310
- NNNorm.nnnormstatement · cited by 952
- NormedGroupstatement and proof · cited by 18
- eq_one_or_norm_posproof · cited by 1
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