isApproximateSubgroup_one

∀ {G : Type u_1} [inst : Group G] {A : Set G}, IsApproximateSubgroup 1 A ↔ ∃ H, ↑H = A

A 1-approximate subgroup is the same thing as a subgroup.

Defined in: Mathlib.Combinatorics.Additive.ApproximateSubgroup
Cited by: 0 results in Mathlib
Foundations: Depth 104 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: Group

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