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Theorems · Theorem · general topology

IsUltrametricDist.norm_div_eq_max_of_norm_div_ne_norm_div

∀ {S : Type u_1} [inst : SeminormedGroup S] [IsUltrametricDist S] (x y z : S),
  ‖x / y‖ ≠ ‖y / z‖ → ‖x / z‖ = max ‖x / y‖ ‖y / z‖

All triangles are isosceles in an ultrametric normed group.

Defined in
Mathlib.Analysis.Normed.Group.Ultra
Cited by
1 results in Mathlib
Foundations
Depth 108 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
SeminormedGroupIsUltrametricDist

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