ArchimedeanClass.ballAddSubgroup

{M : Type u_1} →
  [inst : AddCommGroup M] →
    [inst_1 : LinearOrder M] → [inst_2 : IsOrderedAddMonoid M] → ArchimedeanClass M → AddSubgroup M

An open ball defined by ArchimedeanClass.addSubgroup of UpperSet.Ioi c. For c = ⊤, we assign the junk value ⊥.

Defined in: Mathlib.Algebra.Order.Archimedean.Class
Cited by: 3 results in Mathlib
Foundations: Depth 64 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: AddCommGroup LinearOrder IsOrderedAddMonoid

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